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Covestro Llc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Covestro Llc-related inventors


Systems and processes for producing polyether polyols

Disclosed are processes and systems for producing polyether polyols and for the recovery of heat generated during such polyether polyol production.... Covestro Llc

Polyurethane foam-forming compositions, methods of making low density foams using such compositions, and foams formed therefrom

Disclosed are polyurethane foam-forming compositions with a phase stable isocyanate-reactive composition that includes a halogenated olefin blowing agent that has low or no ozone depletion potential and low global warming potential. Such polyurethane foam-forming compositions are suitable for spray application to produce polyurethane foams that are believed to exhibit good... Covestro Llc

Carpet and synthetic turf backings prepared from a polyether carbonate polyol

Disclosed are tufted carpet structures, including synthetic turf structures, such as synthetic grass structures, that include a polyurethane backing coating formed from a polyether carbonate polyol.... Covestro Llc

Methods for treating seeds with an aqueous composition and seeds treated therewith

Disclosed are methods for treating seeds with a seed treatment composition that includes: (A) an aqueous polyurethane dispersion; and (B) an insecticide, a fungicide, a nematicide, and/or other pesticides. Also disclosed are seeds treated with such a treatment compositions and methods for treating a seed using such treatment composition.... Covestro Llc

Aqueous compositions for treating seeds, seeds treated therewith, and methods for treating seeds

Disclosed are seed treatment compositions that include: (A) an aqueous polyurethane dispersion; and (B) an insecticide, a fungicide, a nematicide, and/or other pesticides. Also disclosed are seeds treated with such a treatment compositions and methods for treating a seed using such treatment composition.... Covestro Llc

Aqueous compositions for treating seeds, seeds treated therewith, and methods for treating seeds

Disclosed are seed treatment compositions that include: (a) an aqueous polyurethane dispersion; and (b) an insecticide, a fungicide, a nematicide, and/or other pesticides. Also disclosed are seeds treated with such a treatment compositions and methods for treating a seed using such treatment composition.... Covestro Llc

Processes for removing water from a polyether polyol

Disclosed are processes and systems for removing water from a polyether polyol that employs a controlled temperature and pressure profile.... Covestro Llc

Lightweight blast-mitigating polycarbonate-based laminate system

The present invention provides a lightweight blast-mitigating polycarbonate laminate system comprising at least one polycarbonate sheet, a portion of which is laminated to a glass layer having a thickness between 0.25 times and less than 1 times the thickness of the polycarbonate sheet. The laminate system may further include fasteners... Covestro Llc

Process for transitioning reactors from base-catalyzed polyol production to dmc-catalyzed polyol production

A process for transitioning a reactor from base-catalyzed polyol production to double metal cyanide (DMC)-catalyzed polyol production is described. The process includes discharging a base-catalyzed and un-neutralized product mixture from a reactor, and adding an acidified polyether polyol starter and DMC catalyst mixture to the reactor. A DMC-catalyzed polyol production... Covestro Llc

Flexible foam using polymer polyols produced via dmc catalyzed polyols

This invention relates to improved flexible foams prepared from polymer polyols and to a process for preparing these improved flexible foams.... Covestro Llc

Flexible polyurea sealant compositions

Disclosed are polyurea compositions and methods for using such composition as sealants, such as construction sealants.... Covestro Llc

Processes for in-mold coating using a multi-cavity mold and substrates coated thereby

Disclosed are processes for in-mold coating of a plastic substrate. The processes include: (a) molding a plastic substrate in a first mold cavity of a mold comprising at least two cavities to form a molded plastic substrate; (b) introducing the molded plastic substrate into a second mold cavity of the... Covestro Llc

Methods for making thermoplastic aliphatic urethane/urea elastomers and molding compositions

Methods for making compositions for making thermoplastic aliphatic urethane/urea elastomers, which are in turn used to make molding compositions used in forming molded articles, particularly, shells for automotive applications. The molding compositions comprise an aliphatic thermoplastic urethane/urea elastomer and a polyolefin-based modifier. These compositions may be used to form a... Covestro Llc

Processes for producing flexible polyurethane foam laminates and laminates produced thereby

Disclosed are continuous compression molding processes for producing a flexible polyurethane foam laminate and laminates produced thereby, which may be suitable for use, for example, as a carpet underlayment.... Covestro Llc

Methods for designing polyisocyanurate foam-forming compositions, related polyisocyanurate foam-forming compositions, and foams produced thereby

Disclosed are methods for designing a polyisocyanurate foam-forming composition with good low temperature insulation performance. The methods include: (a) measuring the LTTR of a first polyisocyanurate faced foam laminate prepared from a first polyisocyanurate foam-forming composition comprising a blowing agent composition comprising one or more hydrocarbon blowing agents with an... Covestro Llc

Process for the production of low molecular weight polyoxyalkylene polyols

This invention relates to a semi-batch process for producing low molecular weight polyoxyalkylene polyols. These polyoxyalkylene polyols are characterized by hydroxyl numbers of from 200 to 500. In accordance with the invention, the first alkylene oxide block used to activate the DMC catalyst comprises from 50% to 100% by weight... Covestro Llc

Rigid polyurethane foams suitable for wall insulation

Rigid polyurethane foams are made by reacting an organic polyisocyanate with an isocyanate-reactive composition which includes a polyol, a blowing agent blend of hydrofluorocarbons, a urethane-forming catalyst, a polyether-modified polysiloxane, and water. The blowing agent blend includes a C4 polyfluorohydrocarbon and a C3 polyfluorohydrocarbon. The rigid polyurethane foams exhibit improved... Covestro Llc

Polyisocyanurate based cement for wellbore fluid loss prevention

The present invention provides an oil or gas wellbore polymeric cement comprising the reaction product of an aliphatic isocyanate, a trimerization catalyst, and a catalyst retarder, wherein the reaction occurs in the wellbore at a temperature of at least 250° F. (121° C.). Also provided is a method of reducing... Covestro Llc

Process for production of tubular films for protection of medical devices

The present invention provides a continuous process comprising, extruding two or more layers of a thermoplastic polyurethane film, welding the two or more layers of film at a first edge in a machine direction and simultaneously slitting the welded film with an angular section of an anvil blade and winding... Covestro Llc

Method of producing a surface protection composite

The present invention provides a method of making a three-layer aliphatic thermoplastic polyurethane (TPU) surface protection composite. The method involves extruding an aliphatic thermoplastic polyurethane (TPU) layer onto a substrate layer at the flat die extrusion nip comprising a rubber roller in the back position and a polished steel roller... Covestro Llc

Stucco wall structure

Wall structures and methods for producing wall structures are described in this specification. The wall structures include a frame, a sheathing board attached to the frame, a foam layer, a bond break layer, a lath layer, and a stucco layer.... Covestro Llc

Polycarbonate based rapid deployment cover system

The present invention provides a rapid deployment cover system comprising a polycarbonate laminate or a glass-clad polycarbonate laminate in combination with a versatile and cushioned mounting system to yield a highly durable cover which provides protection from forced-entry, blast, ballistics and/or extreme storms in a wide range of climates.... Covestro Llc

Polyurethane and polyisocyanurate rigid foams suitable for roofing insulation

Polyurethane foams having a NFPA 101 Class B rating (ASTM E-84) which pass the FM 4450 calorimeter Test are produced by reacting: (a) an organic polyisocyanate, (b) at least one polyether polyol or polyester polyol with a nominal hydroxyl functionality of at least 2.0, (c) a blowing agent composition and... Covestro Llc

Process for the continual inline filtration of a process stream

The present invention provides a new type of filtration system. Traditional designs required that personnel open the system to clean/change strainers while a process was in operation. This invention provides a straining system that allows process stream to be filtered in a manner completely internal to the process. The system... Covestro Llc








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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Covestro Llc in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Covestro Llc with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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