23 patents
Utility
(Meth)acrylic polymer composition its method of preparation and use
12 Dec 23
The present invention relates to a (meth)acrylic polymer composition.
Jean-Marc Boutillier, Veronique L. Carrere, Stephanie Pery, Sylvie Cazaumayou, Sylvain Bourrigaud
Filed: 18 Dec 18
Utility
Transparent films based on resin components having a high glass transition temperature
14 Nov 23
Films having high light transmission values, low haze and high glass transition temperatures and useful, for example, as optical protection films and zero-zero optical retardation films, are prepared using one or more copolymers of methyl methacrylate having certain characteristics.
Jiaxin Jason Ge, Florence Mehlmann, Estelle Meurice Pierrat
Filed: 20 Feb 18
Utility
Stabilized compositions of polycarbonates and vinylidene substituted aromatic compounds
10 Oct 23
A composition comprising: one or more polycarbonates; one or more vinylidene aromatic substituted polymers; and a buffer system that controls the pH in water at 25° C. at a value of about 6.0 to about 8.0.
Claude T. E. Van Nuffel, Gilbert Bouquet, Maurice Laurijs
Filed: 21 Aug 20
Utility
(Meth)acrylic polymer composition its method of preparation and use
26 Sep 23
The present invention relates to an impact resistant (meth) acrylic polymer composition.
Jean-Marc Boutillier, Stephanie Pery, Sylvie Cazaumayou, Sylvain Bourrigaud
Filed: 18 Dec 18
Utility
High efficiency diffusion lighting coverings
8 Aug 23
The invention relates to high efficiency diffusion lighting coverings useful in LED lighting applications.
Jiaxin Jason Ge, Michael T. Burchill, Gary A. Hall, Florence Mehlmann, Brian M. Cromer
Filed: 31 Jul 20
Utility
Impact modified copolymers of (meth)acrylate esters and/or free radically polymerizable monomers containing nucleophilic groups
16 May 23
A composition comprising: a) one or more copolymers of i) one or more of one or more vinyl or vinylidene aromaticmonomers and/or (meth)acrylates; with ii) one or more unsaturated compounds containing one or more nucleophilic groups wherein the copolymer contains on average about 0.01 to about 5.0 percent by weight of nucleophilic groups based on the weight of the copolymer; b) one or more thermoplastic elastomer based polymers containing one or more nucleophilic groups; and c) one or more polymers having electrophilic groups; wherein the electrophilic groups have reacted with the nucleophilic groups and at least a portion of the one or more copolymers containing nucleophilic groups are bonded to at least a portion of the one or more thermoplastic elastomers containing one or more nucleophilic groups by at least a portion of the one or more polymers having electrophilic groups.
Abidin Balan
Filed: 6 Oct 20
Utility
Composition comprising a copolymer comprising methyl methacrylate, (meth)acrylic acid and styrene monomers
25 Apr 23
The present invention relates to a polymer composition comprising a polymer comprising methyl methacrylate, (meth)acrylic acid and styrene monomers.
Christophe Le Crom
Filed: 27 Jul 18
Utility
Multilayer polymeric structure
21 Mar 23
The invention relates to multilayer polymer structures having at least three layers.
Charles C. Crabb, Thomas H. Richards, Steven B. Lacock, Florence Mehlmann
Filed: 3 Apr 13
Utility
Light diffuser for horticultural lighting
28 Feb 23
The invention relates to a light-diffusing material, having a high transmission of UVA light, useful for horticultural lighting.
Brian Cromer
Filed: 17 Oct 19
Utility
Styrenic polymers having reduced trimer content
21 Feb 23
Disclosed are styrenic polymers made by a mass or solution process, where the amount of trimer consisting of styrene and/or acrylonitrile is less than about 0.50 weight percent.
Gilbert Bouquet, Fredericus Slijkerman
Filed: 10 Jun 20
Utility
In-situ polymer blend for a tire
17 Jan 23
The present invention relates to a method for the preparation of a synthetic rubber blend, wherein the blend comprises a high molecular weight polydiene (A) and a low molecular weight polydiene (B).
Evemarie Hamann, Dominique Thielemann, Sven K. H. Thiele
Filed: 16 Jul 18
Utility
Matte polycarbonate compositions, articles and method to make them
27 Dec 22
A polycarbonate article is described that is formed from a thermoplastic composition comprised of a polycarbonate or polycarbonate copolymer; and at least 1% by weight of a polysilsesquioxane (PSQ) solid particles that have a decomposition temperature of at least 350° C. and an acicular filler, which desirably has an aspect ratio of 2 to 50.
Mark Vreys
Filed: 17 Sep 20
Utility
Method of preparation of a composition comprising a copolymer of methyl methacrylate and methacrylic acid
14 Jun 22
The present invention relates to a polymeric composition comprising a polymer comprising monomers of methyl methacrylate and methacrylic acid.
Sylvain Bourrigaud, Pierre Gerard, Daniel Callin, Gilles Meunier, Sylvain C. Lamarre, Sylvain D. Queruel
Filed: 9 Dec 16
Utility
Chromatographic separation of ammonium sulfate and 2-hydroxy-2-methylpropionic acid
31 May 22
Thibault Lesaffre, Marjory Edon, Laurine Redelsperger, Aymeric Duplessix
Filed: 7 Mar 19
Utility
Vinylidene substituted aromatic monomer and cyclic (meth)acrylate ester polymers
3 May 22
Compositions comprising at least one copolymers comprising: a) from 20 to 90 percent by weight of one or more vinylidene substituted aromatic compounds; b) from 10 to 80 percent by weight of one or more cyclic (meth)acrylate esters; c) from 0 to 40 percent by weight of one or more unsaturated nitriles; and, d) from 0 to 60 percent by weight of an alkyl (meth)acrylate; wherein based on the weight of the copolymer and the copolymer has a weight average molecular weight of 120,000 g/Mole or greater and a glass transition temperature of 100° C. or greater.
Abidin Balan, Gilbert Bouquet, Pascal E.R.E.J. Lakeman
Filed: 4 Oct 19
Utility
Multi-layer coextrusion method
4 Jan 22
Patrick Delprat
Filed: 23 May 07
Utility
Molded structures of polycarbonate based substrates over molded with silicone rubbers
28 Dec 21
Articles comprising: a molded substrate comprising one or more polycarbonate resins or blends of polycarbonate and polyester resins containing polydimethyl siloxanes modified with one or more of acrylate, hydroxyl or epoxy groups and disposed on the surface or a portion of the surface of the substrate is a cured silicone rubber; wherein the one or more polycarbonate resins or blends of polycarbonate and polyester resins contain the modified polydimethyl siloxanes in sufficient amount such that the peel strength is increased.
Kai-Leung Larry Cheng, Chang Wu Hung, Claude T. Van Nuffel, Chia-Wei Wade Chang
Filed: 24 Feb 17
Utility
Compositions useful in preparing recyclable polycarbonate sheeting having a matte appearance
17 Aug 21
A composition comprising one or more polymers consisting of polycarbonate or a copolymer of greater than 50 mole percent of polycarbonate units and less than 50 mole percent of monomer units which copolymerize with polycarbonate units; 5 to 20 percent by weight of one or more minerals containing high aspect ratio CaSiO3, optionally a buffering agent for basic materials and optionally one or more antioxidants useful with polycarbonate containing compositions.
Mark Vreys
Filed: 30 Aug 18
Utility
Use of specific aminosilyl monomers in the manufacture of rubber
23 Mar 21
The invention relates to the use of specific aminosilyl monomers in the manufacture of elastomeric polymers, especially rubber.
Michael Rössle, Sven Thiele, Dominique Thielemann
Filed: 26 Jul 18
Utility
Rubber composition
4 Jan 21
The present invention relates to polymer blend that includes (a) 50 to 90 percent by weight of a first elastomeric polymer having a high molecular weight, (b) 5 to 50 percent by weight, preferably 5 to 40 percent by weight, more preferably 10 to 35 percent by weight, of a second elastomeric polymer having a low molecular weight and being coupled, wherein the amounts of the components (a) and (b) are based on the total weight of the polymer blend.
Silvia Valenti, Sven Thiele, Christiane Berndt
Filed: 6 Jun 17