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Omya International Ag patents (2015 archive)


Recent patent applications related to Omya International Ag. Omya International Ag is listed as an Agent/Assignee. Note: Omya International Ag may have other listings under different names/spellings. We're not affiliated with Omya International Ag, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "O" | Omya International Ag-related inventors


12/31/15 / #20150376022

Mineral composition, especially for use in paper fillers and paper or plastic coatings

A mineral composition comprising mineral particles, said mineral particles, when in a densely compacted bed form, having a volume defined median pore diameter from 0.01 to 0.04 micrometre, and having an intruded total specific void volume of 0.1-0.3 cm3/g. A specific advantage of this composition is that it as a component in a coating, allows the passage of ink solvent into the base paper while retaining the ink molecules on the surface.. ... Omya International Ag

11/19/15 / #20150330024

Process for the manufacture of structured materials using nano-fibrillar cellulose gels

A process for manufacturing structured material by providing cellulose fibres and at least one filler and/or pigment, combining the cellulose fibres and the at least one filler and/or pigment, fibrillating the cellulose fibres in the presence of the at least one filler and/or pigment until a gel is formed, subsequently providing additional non-fibrillated fibres, and combining the gel with the additional non-fibrillated fibres.. . ... Omya International Ag

11/12/15 / #20150322604

Caco3 in polyester for nonwoven and fibers

The present invention concerns a nonwoven fabric comprising at least one polymer comprising a polyester and at least one filler comprising calcium carbonate. The present invention further relates to a process of producing such a nonwoven fabric as well as to the use of calcium carbonate as filler in a nonwoven fabric comprising at least one polymer comprising a polyester.. ... Omya International Ag

11/05/15 / #20150315366

High solids aqueous mineral and/or filler and/or pigment suspension in acidic ph environment

The present invention relates to high solids aqueous mineral and/or filler and/or pigment suspensions in acidic ph environment, to a method for producing such high solids aqueous mineral and/or filler and/or pigment suspension to the use of the high solids aqueous mineral and/or filler and/or pigment suspension in paper making, paper coating, plastic, agricultural and/or paint applications and as filler in paper and to a coating color formulation comprising the high solids aqueous mineral and/or filler and/or pigment suspension.. . ... Omya International Ag

08/27/15 / #20150240056

Process of controlled chemical reaction of a solid filler material surface and additives to produce a surface treated filler material product

The present invention relates to a process for preparing a surface treated filler material product with succinic anhydride(s), a surface treated filler material product, a polymer composition, a fiber and/or filament and/or film and/or thread comprising the surface treated filler material product and/or the polymer composition, an article comprising the surface treated filler material product and/or the polymer composition and/or the fiber and/or filament and/or film and/or thread as well as the use of a mono-substituted succinic anhydride for decreasing the hydrophilicity of a calcium carbonate-containing filler material surface and the use of a surface-treated filler material product for initiating the crosslinking reaction in epoxide resins.. . ... Omya International Ag

08/20/15 / #20150231078

Gastroretentive drug formulation and delivery systems and their method of preparation using functionalized calcium carbonate

An instantly floating gastroretentive drug formulation comprising at least one functionalized natural and/or synthetic calcium carbonate-comprising mineral and at least one pharmaceutically active ingredient and at least one formulating aid wherein said functionalized natural or synthetic calcium carbonate is a reaction product of natural or synthetic calcium carbonate with carbon dioxide and one or more acids, wherein the carbon dioxide is formed in situ by the acid treatment and/or is supplied from an external source.. . ... Omya International Ag

08/13/15 / #20150225568

Process to prepare a surface-reacted calcium carbonate implementing a weak acid, resulting products and uses thereof

The present application relates to a process for preparing a surface-reacted calcium carbonate in an aqueous environment. The process according to the present invention aims at avoiding the mandatory implementation of medium-strong to strong acids. ... Omya International Ag

08/06/15 / #20150218382

Process to prepare a surface-reacted calcium carbonate implementing a weak acid, resulting products and uses thereof

The present application relates to a process for preparing a surface-reacted calcium carbonate in an aqueous environment. The process according to the present invention aims at avoiding the mandatory implementation of medium-strong to strong acids. ... Omya International Ag

07/30/15 / #20150210103

Print medium

The present invention concerns a print medium and a method of producing such a print medium. In particular, the present invention is directed to a print medium comprising a substrate having a first and a reverse side, and at least one coating layer on of the substrate sides.. ... Omya International Ag

07/02/15 / #20150183654

Production of high purity precipitated calcium carbonate

. . The present invention relates to a process for the preparation of precipitated calcium carbonate comprising the steps of a) providing and calcining calcium carbonate comprising material; b) slaking the reaction product obtained from step a) with an aqueous ammonium chloride solution; c) separating insoluble components from the calcium chloride solution obtained from step b); d) carbonating the calcium chloride solution obtained from step c); e) separating the precipitated calcium carbonate obtained from step d); the precipitated calcium carbonate obtained by this process, as well as uses thereof.. . ... Omya International Ag

06/25/15 / #20150175806

Surface modified calcium carbonate containing minerals and its use

The present invention is related to ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, the process for preparing such ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, and their use.. . ... Omya International Ag

06/25/15 / #20150175775

Process for manufacturing white pigment containing products

The present invention concerns a process for manufacturing white pigment containing products. The white pigment containing products are obtained from at least one white pigment and impurities containing material via froth flotation.. ... Omya International Ag

06/25/15 / #20150175772

Method for improving handleability of calcium carbonate containing materials

The present invention concerns a calcium carbonate containing material having increased bulk density at equal or improved flowability, and a method of producing such a material. The inventive process comprises the step of contacting a calcium carbonate containing mineral powder with a solution or emulsion or dispersion of a binder.. ... Omya International Ag

06/18/15 / #20150166792

Process to prepare a surface-reacted calcium carbonate implementing a weak acid, resulting products and uses thereof

The present application relates to a process for preparing a surface-reacted calcium carbonate in an aqueous environment. The process according to the present invention aims at avoiding the mandatory implementation of medium-strong to strong acids. ... Omya International Ag

06/18/15 / #20150166358

Process for obtaining precipitated calcium carbonate

The present invention provides a process for preparing a precipitated calcium carbonate product. The process comprises the steps of preparing an aqueous suspension of precipitated calcium carbonate seeds by carbonating a suspension of ca(oh)2 in the presence of 0.005 to 0.030 moles of sr, in the form of sr(oh)2, based upon moles of ca(oh)2 prior to or during carbonation; forming an aqueous suspension of a precipitated calcium carbonate product by carbonating a slurry of ca(oh)2 in the presence of 0.5 to 5% by dry weight of the precipitated calcium carbonate seeds, wherein the precipitated calcium carbonate seeds have a d50 that is less than the d50 of the precipitated calcium carbonate product and the precipitated calcium carbonate seeds have an aragonitic polymorph content greater than or equal to the precipitated calcium carbonate product.. ... Omya International Ag

06/18/15 / #20150165372

Regeneratable ion exchange material for reducing the amount of co2

The present invention relates to a method for reducing the amount of co2 in a carbon dioxide-containing source by using a regeneratable ion exchange material.. . ... Omya International Ag

05/21/15 / #20150141565

Process for the preparation of surface treated mineral filler products and uses of same

The present invention relates to a process for preparing a surface treated mineral filler product, and to its preferred use in the field of plastic applications, and in particular polypropylene (pp)- or polyethylene (pe)-based breathable or extrusion coating film applications.. . ... Omya International Ag

05/21/15 / #20150141564

Process for the preparation of surface treated mineral filler products and uses of same

The present invention relates to a process for preparing a surface treated mineral filler product, and to its preferred use in the field of plastic applications, and in particular polypropylene (pp)- or polyethylene (pe)-based breathable or extrusion coating film applications.. . ... Omya International Ag

05/21/15 / #20150141551

High solids and low viscous aqueous slurries of calcium carbonate-comprising materials with improved rheological stability under increased temperature

The present invention concerns aqueous slurries with improved rheo logical stability under increased temperature. The slurries comprise a calcium carbonate containing material and at least one comb polymer.. ... Omya International Ag

05/21/15 / #20150141547

Process for the manufacture of self-binding pigmentary particles, dry or in aqueous suspension or dispersion, containing inorganic matter and binders

The present invention is directed to a process for the preparation of an aqueous suspension of self-binding pigmentary particles comprising the following stages: (a) forming one or more aqueous suspensions of at least one inorganic matter comprising calcium carbonate; (b) forming or obtaining one or more aqueous solutions or suspensions or emulsions of at least one binder; and (c) co-grinding the aqueous suspension or suspensions obtained in stage a) with the aqueous solutions or suspensions or emulsions obtained in stage b) in a mill so as to obtain an aqueous suspension of self-binding pigmentary particles.. . ... Omya International Ag

05/21/15 / #20150135995

Process for the preparation of surface treated mineral filler products and uses of same

The present invention relates to a process for preparing a surface treated mineral filler product, and to its preferred use in the field of plastic applications, and in particular polypropylene (pp)- or polyethylene (pe)-based breathable or extrusion coating film applications.. . ... Omya International Ag

05/07/15 / #20150122440

Starch-based phch

The invention relates to a process for preparing self-binding pigment particle suspensions, to a self-binding pigment particle suspension as well as to a paper product comprising self-binding pigment particles and to the use of the self-binding pigment particle suspension in paper applications, such as in paper coating or as filler material.. . ... Omya International Ag

04/16/15 / #20150101513

Process for the preparation of cememt, mortars, concrete compositions containing a calcium carbonate - based filler treated with an ultrafine filler and a superplastifier, compositions and cement products obtained and their applications

Process for the preparation of cement/mortar/concrete compositions or systems, (for simplicity hereafter “cement” compositions or systems or even “cements”), of a generally known type containing low or medium (standard) “filler(s)”, and/or optionally hp filler(s), as carbonate-based filler(s), namely coarse low or medium calcium carbonate(s), namely coarse marble(s); product comprising, or consisting of, the pre-blend (a) of coarse, low or medium (or optionally hp) “calcium carbonate-based filler” pre-blended with at least an uf; aqueous compositions (b) obtained by mixing the above pre-blend (a) of coarse filler(s) with uf(s) with an aqueous system such as mix water, aqueous mix fluid; product (c) consisting of, or comprising, the pre-blend (a) or the compositions (b), treated or pretreated with at least one superplastifier or aqueous system containing superplastifier(s); cement and use of cement.. . ... Omya International Ag

04/09/15 / #20150096698

Treatment of calcium carbonate containing materials for increased filler load in paper

The present invention concerns a process for preparing self-binding pigment particles from an aqueous suspension of calcium carbonate containing material, wherein an anionic binder and at least one cationic polymer are mixed with the suspension.. . ... Omya International Ag

03/26/15 / #20150083026

Charge controlled phch

The present invention concerns a process for preparing self-binding pigment particles from an aqueous suspension of a calcium carbonate containing material, wherein an anionic binder and at least one cationic polymer are mixed with the suspension.. . ... Omya International Ag

03/12/15 / #20150073058

Process for bacterial stabilizing of aqueous ground natural calcium carbonate and/or precipitated calcium carbonate and/or dolomite and/or surface-reacted calcium carbonate-comprising mineral preparations

This invention discloses a process for stabilising an aqueous mineral preparation comprising a step of adding at least one aldehyde-containing and/or aldehyde-releasing and/or phenolic and/or isothiazoline biocide to said aqueous mineral preparation.. . ... Omya International Ag

03/05/15 / #20150059999

Preparation of pigments

The present invention relates to an aqueous calcium carbonate containing composition, to methods for producing such aqueous calcium carbonate containing compositions and to the use of the aqueous calcium carbonate containing composition in paper, paper coating, plastics and/or paint applications and as filler in paper.. . ... Omya International Ag

02/12/15 / #20150044127

Hydrophobised calcium carbonate particles

The present invention relates to a process for the reduction of pitch in an aqueous medium generated in a papermaking or pulping process, comprising the following steps: a) providing an aqueous medium comprising pitch generated in a papermaking or pulping process; b) providing a ground calcium carbonate and/or a precipitated calcium carbonate; c) providing a hydrophobising agent selected from an aliphatic carboxylic acid having between 5 and 24 carbon atoms; d) contacting the ground calcium carbonate and/or the precipitated calcium carbonate of step b) with the hydrophobising agent of step c) for obtaining a hydrophobised ground calcium carbonate and/or a hydrophobised precipitated calcium carbonate; and e) contacting the aqueous medium provided in step a) with the hydrophobised ground calcium carbonate and/or the hydrophobised precipitated calcium carbonate obtained in step d), to the use of a hydrophobised ground calcium carbonate and/or a hydrophobised ground calcium carbonate for reducing the amount of pitch in an aqueous medium as well as to a hydrophobised ground calcium carbonate and/or a hydrophobised ground calcium carbonate and a composite of hydrophobised ground calcium carbonate and/or hydrophobised ground calcium carbonate and pitch.. . ... Omya International Ag

02/12/15 / #20150040800

Dispersed calcium carbonate containing material for an improved stability under alkaline conditions

The present invention relates to a method for preparing an aqueous calcium carbonate containing suspension, a suspension comprising a calcium carbonate containing material obtainable by said method as well as a calcium carbonate containing material obtainable by drying said suspension and to the use of the suspension or calcium carbonate containing material in paper, paper coating, plastic and/or paint applications and to the use of the suspension for stabilizing the rheology of a sodium silicate and/or sodium hydroxide containing coating formulations for paper applications.. . ... Omya International Ag

01/15/15 / #20150013571

Use of polyethylenimines as additive in aqueous suspensions of calcium carbonate-comprising materials

Use of at least one polyethylenimine as an additive in an aqueous suspension, containing from 25 to 62 vol. % of at least one calcium carbonate-comprising material, wherein the use provides improved stability with regard to the conductivity of the suspension.. ... Omya International Ag

01/08/15 / #20150010458

Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its use

The present invention refers to a process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its uses. The process may be carried out in a reactor system comprising a tank (1) equipped with a stirrer (2), at least one filtering device (4) and a grinding device (18).. ... Omya International Ag

01/08/15 / #20150007754

Process for the preparation of cement, mortars, concrete compositions containing a calcium carbonate - based filler containing an organosiliceous material, the said "filler(s) blend" being treated with a superplastifier, cement compositions and cement products obtained, and their applications

Process for the preparation of cement/mortar/concrete compositions or systems, (for simplicity hereafter “cement” compositions or systems), featuring an improved compressive strength rc namely at 28 days and 90 days, containing at least a “carbonate-based filler”, comprising at least one step where the said at least one “carbonate-based filler” is mixed or blended with at least one aluminosiliceous material, and the obtained “fillers blend” is treated with an efficient treating amount of at least one treating agent consisting of or comprising superplastifier(s); product comprising at least a “carbonate-based “filler”” as defined and at least an aluminosiliceous material, what provides a “fillers blend”; cement compositions, use of the said “fillers(s) blends” and cement composition; cement elements or cement products” obtained from the said “cements compositions”, such as construction or building blocks.. . ... Omya International Ag

01/01/15 / #20150000564

Mineral material powder with high dispersion ability and use of said mineral material powder

The present invention refers to a mineral matter powder preparation by wet process without acrylic additive or other grinding aid additives and to the use of said mineral matter after an optional hydrophobic treatment. Said mineral material having superior dispersing properties.. ... Omya International Ag








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