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Omya International Ag patents (2018 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


Process for manufacturing aqueous suspensions of mineral materials or dried mineral materials, the obtained products, as well as uses thereof

The invention relates to a process for manufacturing aqueous mineral material suspensions or dried mineral materials using at least one lithium ion neutralised water-soluble organic polymer, the ground mineral materials obtained by this process, the use of the mineral materials in paper, paints and plastics, as well as the use of the lithium ion neutralised water-soluble organic polymer in the manufacturing process as a dispersing and/or grinding enhancer.. . ... Omya International Ag

Process for the preparation of a mineral filler product

A process for the preparation of a mineral filler product is disclosed, the process comprising a step of dry grinding a calcium carbonate-comprising material in a mixture obtained by contacting the calcium carbonate-comprising material with at least one polydimethylsiloxane as grinding agent.. . ... Omya International Ag

Reduced moisture pickup in polyol-containing mineral filler products

The present invention relates to a process for the production of a mineral filler product comprising a step of dry grinding a calcium carbonate-containing material in the presence of an agent being a polyol. The mineral filler product according to the present invention was found to have a reduced moisture pickup as compared to prior art products.. ... Omya International Ag

Precipitated calcium carbonate with improved resistance to structural breakdown

The present invention is directed to a process for producing precipitated calcium carbonate with improved resistance to structural breakdown, wherein the milk of lime is carbonated in the presence of at least one gas other than carbon dioxide, or the carbonation is carried out in the presence of a static gas bubble comminution unit as well as to precipitated calcium carbonate obtained by such a process.. . ... Omya International Ag

Surface treated filler material product for alpha-nucleation of polyolefins

The present invention relates to a surface treated filler material product for alpha-nucleation of polyolefins, a process for the preparation of the surface treated filler material product, a master batch comprising the surface treated filler material product, a polyolefin composition comprising the surface treated filler material product, an article comprising the polyolefin composition as well as the use of the surface treated filler material product as an alpha-nucleating agent for polyolefins.. . ... Omya International Ag

Use of surface-reacted calcium carbonate as anti-blocking agent

The present invention relates to the use of a surface-reacted calcium carbonate as an anti-blocking agent in polymer(s) containing compositions, wherein the surface-reacted calcium carbonate is a reaction product of natural ground or precipitated calcium carbonate with carbon dioxide and one or more h3o+ ion donors in an aqueous medium, wherein the carbon dioxide is formed in situ by the h3o+ ion donors treatment and/or is supplied from an external source, an anti-blocking agent comprising surface-reacted calcium carbonate or a combination of surface reacted calcium carbonate and mineral material, a method for controlling the blocking of polymer(s) containing compositions, a polymer(s) containing composition comprising surface reacted calcium carbonate or a combination of surface reacted calcium carbonate and mineral material, a coating composition comprising such polymer(s) containing composition, as well as a substrate coated with such coating composition.. . ... Omya International Ag

Modified mineral-based filler comprising copper salts

The present invention relates to a modified mineral-based filler comprising at least one alkaline earth metal carbonate-comprising material, and at least one water insoluble copper salt comprising the copper mineral malachite in an amount of at least 10 wt.-%, which covers at least partially the surface of the at least one alkaline earth metal carbonate-comprising material, and a method of producing the same.. . ... Omya International Ag

High solids pcc with depolymerized carboxylated cellulose

The present invention relates to a process for producing an aqueous suspension of precipitated calcium carbonate, wherein a depolymerized carboxylated cellulose is added during lime slaking. Furthermore, the present invention relates to an aqueous suspension of calcium carbonate and a precipitated calcium carbonate obtained by said process as well as the use thereof.. ... Omya International Ag

Process for increasing opacity of precipitated calcium carbonate

The present invention relates to a process for preparing an aqueous suspension comprising precipitated calcium carbonate. The invention further relates to an aqueous suspension comprising precipitated calcium carbonate as well as a partially dewatered or essentially completely dried precipitated calcium carbonate obtainable by the process and the use of the aqueous suspension comprising precipitated calcium carbonate and/or the partially dewatered or essentially completely dried precipitated calcium carbonate in paper making, paper coating, plastic, agricultural, adhesives, sealants and/or paint applications.. ... Omya International Ag

Process for the purification of water

The present invention relates to at least one surface-reacted calcium carbonate-comprising mineral material and/or a surface-reacted precipitated calcium carbonate that is/are coated with at least one anionic polymer to obtain a surface-coated calcium carbonate-comprising material as well as to a process for the preparation of the surface-coated calcium carbonate-comprising material. Furthermore, the present invention relates to a process for the purification of water and/or dewatering of sludges and/or suspended sediments and to the use of a surface-coated calcium carbonate-comprising material for water purification and/or dewatering of sludges and/or suspended sediments.. ... Omya International Ag

Dispersible dosage form

The present invention provides for method of improving flowability and loose bulk density of functionalized natural- and/or synthetic calcium carbonate comprising material, to the use of such improved material in ready to use granules and thereof produced dispersible dosage forms.. . ... Omya International Ag

Coarse pigment addition and high solids slurries for higher coating colour concentrations

The present invention relates to an aqueous slurry comprising natural ground calcium carbonate which has a percentage p5 by weight of particles having a diameter of less than 5.0 μm of from 98.5% to 90%, a percentage p2 by weight of particles having a diameter of less than 2.0 μm of from 96% to 80%, wherein the ratio of p2/p5 is from 0.98 to 0.85, and wherein the slurry has a solids content of more than 78 wt %.. . ... Omya International Ag

Stretchable coatings

The present invention relates to aqueous coating compositions for stretchable coatings in paper applications comprising at least one acrylic polymeric binder having a tg of −3° c. Or lower, and at least one inorganic filler having a bet specific surface area in the range of 1.0 to 30.0 m2/g, wherein the dry weight ratio of the at least one acrylic polymeric binder to the at least one inorganic filler is between 15:100 and 20:100, as well as their use as stretchable coatings in paper and board applications.. ... Omya International Ag

Method for creating a hidden pattern

The present invention relates to a method for creating a hidden pattern on a substrate, wherein a liquid treatment composition comprising at least one acid is deposited by inkjet printing onto a substrate, which comprises at least one external surface comprising a salifiable alkaline or alkaline earth compound.. . ... Omya International Ag

02/22/18 / #20180051175

Blend of surface modified calcium carbonate comprising particles (mcc) and precipitated calcium carbonate comprising particles (pcc) and its uses

The present invention relates to a process for producing an aqueous slurry comprising a blend of surface modified calcium carbonate comprising particles (mcc) and precipitated calcium carbonate comprising particles (pcc), an aqueous slurry comprising the blend, as well as the blend obtainable by drying the aqueous slurry and their uses in paper, paper coating, tissue paper, digital photo paper, paints, coatings, adhesives, plastics, waste water treating or waste water treating agents.. . ... Omya International Ag

02/08/18 / #20180036764

Easy to disperse calcium carbonate to improve hot tack strength

The present invention relates to a process for producing an extrusion-coated material, an extrusion-coated material produced by the process, an article comprising the extrusion-coated material as well as the use of the extrusion-coated material in a lamination process.. . ... Omya International Ag

01/25/18 / #20180022135

Inkjet printing method

The present invention relates to a method for manufacturing an inkjet-printed substrate, wherein a liquid treatment composition comprising at least one acid and an ink are deposited onto a substrate simultaneously or consecutively by inkjet printing, wherein the substrate comprises a coating layer comprising a salifiable alkaline or alkaline earth compound.. . ... Omya International Ag

01/18/18 / #20180016466

Composition and method for controlling the wettability of surfaces

The present invention relates to a composition comprising hedgehog shaped particles, at least one binder, and at least one hydrophobizing agent and/or at least one hydrophilizing agent, a method for controlling the wettability of substrate surfaces using these compositions, as well as a material comprising these compositions.. . ... Omya International Ag

01/18/18 / #20180016439

High solids pcc with cationic additive

The present invention relates to a process for producing an aqueous suspension of precipitated calcium carbonate, an aqueous suspension of precipitated calcium carbonate and a precipitated calcium carbonate obtained by the process, a process comprising the precipitated calcium carbonate and its use.. . ... Omya International Ag

01/18/18 / #20180014532

Use of surface-reacted calcium carbonate as carrier for agrochemical compounds

The present invention relates to the use of surface-reacted calcium carbonate-containing minerals and/or surface-reacted precipitated calcium carbonates as solid particulate carriers to enhance the efficacy of agrochemical compounds loaded onto of said carriers.. . ... Omya International Ag

01/11/18 / #20180009991

Process to obtain an ultrafine gcc with high light scattering properties and high solid content

The present invention relates to a process for the manufacturing of a calcium carbonate-comprising material, a calcium carbonate-comprising material obtained by a process as well as the use of the calcium carbonate-comprising material for paper filler and paper coating applications, cigarette paper applications, for plastics applications or in paints, coatings, adhesives, replacement of titanium dioxide, preferably in paints, sealants, food, feed, pharma, concrete, cement, cosmetic, water treatment and/or agriculture applications.. . ... Omya International Ag

01/04/18 / #20180002205

Process for manufacturing a solution of an earth alkali hydrogen carbonate

The present invention relates to a process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate, a process for the mineralization of water as well as the use of an aqueous solution comprising at least one earth alkali hydrogen carbonate obtained by the process for the mineralization of water.. . ... Omya International Ag








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