Patents by Inventor Yannick Saint-Gerard
Yannick Saint-Gerard has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11578177Abstract: Provided is a method of modifying polycarbonate comprising blending the polycarbonate with composite particles, wherein the composite particles comprise (I) a crosslinked polyolefin core, and (II) a full or partial shell comprising polymerized units of one of more vinyl monomers.Type: GrantFiled: December 4, 2018Date of Patent: February 14, 2023Assignees: Dow Global Technologies LLC, Rohm and Haas Co.Inventors: Liang Chen, Andy Jun Li, Matthew Carter, Robert S. Moglia, Ralph C. Even, John F. Kohn, Carlos A. Cruz, Yannick Saint-Gerard, Douglas J. Hasso
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Patent number: 11499040Abstract: Provided is a dispersion of composite particles in an aqueous medium, wherein the composite particles comprise (I) a crosslinked polyolefin core, and (II) a full or partial shell comprising polymerized units of one of more vinyl monomers.Type: GrantFiled: November 29, 2018Date of Patent: November 15, 2022Assignees: Rohm and Haas Company, Dow Global Technologies LLCInventors: Liang Chen, Andy Jun Li, Matthew Carter, Robert S. Moglia, Ralph C. Even, John F. Kohn, Carlos A. Cruz, Yannick Saint-Gerard, Douglas J. Hasso, Miroslav Janco
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Patent number: 11414540Abstract: Provided is a method of modifying a blend of polycarbonate and acrylonitrile/butadiene/styrene copolymer comprising adding composite particles to the blend, wherein the composite particles comprise (I) a partially crosslinked polyolefin core and (II) a full or partial shell comprising polymerized units of one or more vinyl monomer, and the resulting modified blend.Type: GrantFiled: December 4, 2018Date of Patent: August 16, 2022Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Liang Chen, Carlos A. Cruz, Yannick Saint-Gerard, Jessica Ye Huang, Matthew J. Crimmins, Douglas J. Hasso
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Patent number: 11401404Abstract: Provided is a process for making a dispersion of composite particles comprising (i) providing a dispersion of crosslinked polyolefin particles in an aqueous medium, (ii) performing emulsion polymerization on one or more vinyl monomers in the presence of the crosslinked polyolefin particles to produce the dispersion of composite particles.Type: GrantFiled: November 29, 2018Date of Patent: August 2, 2022Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Liang Chen, Andy Jun Li, Matthew Carter, Robert S. Moglia, Ralph C. Even, Miroslav Janco, Carlos A. Cruz, Yannick Saint-Gerard
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Publication number: 20200369868Abstract: Provided is a method of modifying a blend of polycarbonate and acrylonitrile/butadiene/styrene copolymer comprising adding composite particles to the blend, wherein the composite particles comprise (I) a partially crosslinked polyolefin core and (II) a full or partial shell comprising polymerized units of one or more vinyl monomer, and the resulting modified blend.Type: ApplicationFiled: December 4, 2018Publication date: November 26, 2020Applicants: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Liang Chen, Carlos A. Cruz, Yannick Saint-Gerard, Jessica Ye Huang, Matthew J. Crimmins, Douglas J. Hasso
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Publication number: 20200362119Abstract: Provided is a method of modifying polycarbonate comprising blending the polycarbonate with composite particles, wherein the composite particles comprise (I) a crosslinked polyolefin core, and (II) a full or partial shell comprising polymerized units of one of more vinyl monomers.Type: ApplicationFiled: December 4, 2018Publication date: November 19, 2020Inventors: Liang Chen, Andy Jun Li, Matthew Carter, Robert S. Moglia, Ralph C. Even, John F. Kohn, Carlos A. Cruz, Yannick Saint-Gerard, Douglas J. Hasso
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Publication number: 20200354553Abstract: Provided is a process for making a dispersion of composite particles comprising (i) providing a dispersion of crosslinked polyolefin particles in an aqueous medium, (ii) performing emulsion polymerization on one or more vinyl monomers in the presence of the crosslinked polyolefin particles to produce the dispersion of composite particles.Type: ApplicationFiled: November 29, 2018Publication date: November 12, 2020Inventors: Liang Chen, Andy Jun Li, Matthew Carter, Robert S. Moglia, Ralph C. Even, Miroslav Janco, Carlos A. Cruz, Yannick Saint-Gerard
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Publication number: 20200332098Abstract: Provided is a dispersion of composite particles in an aqueous medium, wherein the composite particles comprise (I) a crosslinked polyolefin core, and (II) a full or partial shell comprising polymerized units of one of more vinyl monomers.Type: ApplicationFiled: November 29, 2018Publication date: October 22, 2020Inventors: Liang Chen, Andy Jun Li, Matthew Carter, Robert S. Moglia, Ralph C. Even, John F. Kohn, Carlos A. Cruz, Yannick Saint-Gerard, Douglas J. Hasso, Miroslav Janco
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Patent number: 10131775Abstract: A composite polymer composition comprising: the emulsion polymerization product of: (i) an aqueous polyolefin dispersion comprising the melt kneading product of one or more polyolefins, from 2 to 25 wt % of one or more dispersion stabilizing agents and water, and (ii) one or more (meth)acrylic monomers; wherein the one or more polyolefins have a Tg equal to or less than 50° C.; and wherein the melt kneading product (i) comprises polymer particles having a volume average particle size between 150 nm and 2000 nm dispersed in the water; and wherein the one or more (meth)acrylic monomers polymerize onto the polymer particles form composite polymer particles is provided. Also provided is a method of making the composition and impact modifiers comprising the composition.Type: GrantFiled: June 30, 2014Date of Patent: November 20, 2018Assignee: Rohm and Haas CompanyInventors: Liang Chen, Yannick Saint-Gerard, Veera Nelliappan, Vithya A. Abdul-Rahiman
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Patent number: 9617415Abstract: A blend comprising from 50 to 95 percent by weight polycarbonate; and from 5 to 50 percent by weight modified methyl methacrylate polymer, wherein the modified methyl methacrylate polymer is selected from the group consisting of modified methyl methacrylate homopolymer, modified methyl methacrylate copolymers, and combinations thereof; wherein the modified methyl methacrylate polymer has one or more end groups provided by reaction with one or more chain transfer agents selected from the group consisting of mercapto esters, cycloalkyl and substituted cycloalkyl thiols, hydroxyl thiols, aryl and substituted aryl thiols, and aminoalkyl thiols, wherein the modified methyl methacrylate polymer has a Mw from 5,000 to 100,000 g/mole; and wherein the blend exhibits a pencil hardness equal to or greater than F measured according to ASTM D3363-05 is provided. A method for preparing a polycarbonate/modified methyl methacrylate blend is also provided.Type: GrantFiled: March 5, 2013Date of Patent: April 11, 2017Assignee: Rohm and Haas CompanyInventors: Veera G. Nelliappan, Eric G. Lundquist, Yannick Saint-Gerard
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Patent number: 9493647Abstract: The instant invention provides a thermoplastic composition, method of producing the same, and articles made therefrom. The thermoplastic composition according to present invention comprises the melt blending product of: (A) from 55 to 95 percent by weight of a thermoplastic matrix comprising one or more thermoplastic polymers; and (B) from 5 to 45 percent by weight of a dispersed phase which comprises a crosslinked (meth)acrylate copolymer, wherein the (meth)acrylate copolymer comprises at least 95 percent by weight derived from methyl methacrylate units and from greater than zero to less than 0.5 percent by weight derived from one or more multifunctional cross-linking monomers and/or graft-linking agents; wherein the difference in refractive index between components (A) and (B) is greater than 0.08.Type: GrantFiled: October 26, 2011Date of Patent: November 15, 2016Assignee: Rohm and Haas CompanyInventors: Yannick Saint-Gerard, Veera Nelliappan, Yannick Chiquet, Eric G. Lundquist
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Patent number: 9376562Abstract: A thermoplastic composition comprising from 60 percent to 99 percent by weight of one or more thermoplastic polymers; and from 40 percent to 1 percent by weight of an additive comprising a crosslinked (meth)acrylate polymer, wherein the crosslinked methylmethacrylate polymer comprises at least 99.5 percent by weight derived from methyl methacrylate units, and from greater than zero to less than 0.5 percent by weight derived from one or more multifunctional crosslinking monomers; wherein the crosslinked (meth)acrylate polymer has a volume average particle size of equal to or less than 1.0 micron; and wherein an article produced from the scratch-resistant thermoplastic composition has a hardness of greater than F is provided. Also provided are a method of making the thermoplastic composition, articles made from the polycarbonate composition, and a method of making the articles.Type: GrantFiled: December 21, 2011Date of Patent: June 28, 2016Assignee: Rohm and Haas CompanyInventors: Veera Nelliappan, Eric G. Lundquist, Yannick Saint-Gerard
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Publication number: 20160168368Abstract: A composite polymer composition comprising: the emulsion polymerization product of: (i) an aqueous polyolefin dispersion comprising the melt kneading product of one or more polyolefins, from 2 to 25 wt % of one or more dispersion stabilizing agents and water, and (ii) one or more (meth)acrylic monomers; wherein the one or more polyolefins have a Tg equal to or less than 50° C.; and wherein the melt kneading product (i) comprises polymer particles having a volume average particle size between 150 nm and 2000 nm dispersed in the water; and wherein the one or more (meth)acrylic monomers polymerize onto the polymer particles form composite polymer particles is provided. Also provided is a method of making the composition and impact modifiers comprising the composition.Type: ApplicationFiled: June 30, 2014Publication date: June 16, 2016Inventors: Liang Chen, Yannick Saint-Gerard, Veera Nelliappan, Vithya A. Abdul-Rahiman
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Publication number: 20150073095Abstract: A blend comprising from 50 to 95 percent by weight polycarbonate; and from 5 to 50 percent by weight modified methyl methacrylate polymer, wherein the modified methyl methacrylate polymer is selected from the group consisting of modified methyl methacrylate homopolymer, modified methyl methacrylate copolymers, and combinations thereof; wherein the modified methyl methacrylate polymer has one or more end groups provided by reaction with one or more chain transfer agents selected from the group consisting of mercapto esters, cycloalkyl and substituted cycloalkyl thiols, hydroxyl thiols, aryl and substituted aryl thiols, and aminoalkyl thiols, wherein the modified methyl methacrylate polymer has a Mw from 5,000 to 100,000 g/mole; and wherein the blend exhibits a pencil hardness equal to or greater than F measured according to ASTM D3363-05 is provided. A method for preparing a polycarbonate/modified methyl methacrylate blend is also provided.Type: ApplicationFiled: March 5, 2013Publication date: March 12, 2015Inventors: Veera G. Nelliappan, Eric G. Lundquist, Yannick Saint-Gerard
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Publication number: 20150051349Abstract: A scratch resistant article comprising a blend which comprises from 50 to 95 percent by weight polycarbonate; and from 5 to 50 percent by weight modified methyl methacrylate polymer, wherein the modified methyl methacrylate polymer is selected from the group consisting of modified methyl methacrylate homopolymer, modified methyl methacrylate copolymers, and combinations thereof; wherein the modified methyl methacrylate polymer has one or more end groups provided by reaction with one or more chain transfer agents selected from the group consisting of mercapto esters, cycloalkyl and substituted cycloalkyl thiols, hydroxyl thiols, aryl and substituted aryl thiols, and aminoalkyl thiols, wherein the modified methyl methacrylate polymer has a Mw from 5,000 to 100,000 g/mole; and wherein the blend exhibits a pencil hardness equal to or greater than F measured according to ASTM D3363-05 is provided. A method for making a scratch resistant article is also provided.Type: ApplicationFiled: March 5, 2013Publication date: February 19, 2015Inventors: Veera G. Nelliappan, Eric G. Lundquist, Yannick Saint-Gerard
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Patent number: 8779051Abstract: The instant invention provides a thermoplastic composition, method of producing the same, and articles made therefrom. The thermoplastic composition according to present invention comprises the melt blending product of: (a) from 10 to 75 percent by weight of a continuous phase, based on the total weight of the thermoplastic composition, wherein said continuous phase comprises one or more thermoplastic polymers; and (b) from 25 to 90 percent by weight of a dispersed phase comprising one or more core/shell polymer particles, based on the total weight of the thermoplastic composition, wherein said one or more core/shell polymer particles comprise a crosslinked elastomer core and a thermoplastic shell and wherein said core/shell polymer has an average particle size diameter in the range of from 70 to 10,000 nm.Type: GrantFiled: July 6, 2011Date of Patent: July 15, 2014Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Srdjan Kisin, Eric G. Lundquist, Timothy E. Clayfield, Yannick Saint-Gerard, Veera Nelliappan
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Patent number: 8680186Abstract: A semi-crystalline polyolefin composition comprising: a thermoplastic crystallizable polyolefin; and one or more di-alkyl bis-oxalamide compounds having the formula: wherein R1 is a spacer group and each R2 is a peripheral group and wherein each of R1 and R2a and R2b is an independently selected hydrocarbyl group is provided. Also provided are a method for producing the semi-crystalline polyolefin composition and articles made therefrom.Type: GrantFiled: June 30, 2012Date of Patent: March 25, 2014Assignees: Rohm and Haas Company, Dow Global Technologies LLCInventors: Mark J. M. Van Heeringen, Marlies C. Totte van't Westeinde, Dorothy Klasen, Jian-Yang Cho, Yannick Saint-Gerard
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Publication number: 20130317174Abstract: A thermoplastic composition comprising from 60 percent to 99 percent by weight of one or more thermoplastic polymers; and from 40 percent to 1 percent by weight of an additive comprising a crosslinked (meth)acrylate polymer, wherein the crosslinked methylmethacrylate polymer comprises at least 99.5 percent by weight derived from methyl methacrylate units, and from greater than zero to less than 0.5 percent by weight derived from one or more multifunctional crosslinking monomers; wherein the crosslinked (meth)acrylate polymer has a volume average particle size of equal to or less than 1.0 micron; and wherein an article produced from the scratch-resistant thermoplastic composition has a hardness of greater than F is provided. Also provided are a method of making the thermoplastic composition, articles made from the polycarbonate composition, and a method of making the articles.Type: ApplicationFiled: December 21, 2011Publication date: November 28, 2013Applicant: Rohm and Haas CompanyInventors: Veera Nelliappan, Eric G. Lundquist, Yannick Saint-Gerard
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Publication number: 20130237673Abstract: The instant invention provides a thermoplastic composition, method of producing the same, and articles made therefrom. The thermoplastic composition according to present invention comprises the melt blending product of: (A) from 55 to 95 percent by weight of a thermoplastic matrix comprising one or more thermoplastic polymers; and (B) from 5 to 45 percent by weight of a dispersed phase which comprises a crosslinked (meth)acrylate copolymer, wherein the (meth)acrylate copolymer comprises at least 95 percent by weight derived from methyl methacrylate units and from greater than zero to less than 0.5 percent by weight derived from one or more multifunctional cross-linking monomers and/or graft-linking agents; wherein the difference in refractive index between components (A) and (B) is greater than 0.08.Type: ApplicationFiled: October 26, 2011Publication date: September 12, 2013Applicant: Rohm ad Haas CompanyInventors: Yannick Saint-Gerard, Veera Nelliappan, Yannick Chiquet, Eric G. Lundquist
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Publication number: 20130116382Abstract: The instant invention provides a thermoplastic composition, method of producing the same, and articles made therefrom. The thermoplastic composition according to present invention comprises the melt blending product of: (a) from 10 to 75 percent by weight of a continuous phase, based on the total weight of the thermoplastic composition, wherein said continuous phase comprises one or more thermoplastic polymers; and (b) from 25 to 90 percent by weight of a dispersed phase comprising one or more core/shell polymer particles, based on the total weight of the thermoplastic composition, wherein said one or more core/shell polymer particles comprise a crosslinked elastomer core and a thermoplastic shell and wherein said core/shell polymer has an average particle size diameter in the range of from 70 to 10,000 nm.Type: ApplicationFiled: July 6, 2011Publication date: May 9, 2013Applicant: Rohm and Haas CompanyInventors: Srdjan Kisin, Eric G. Lundquist, Timothy E. Clayfield, Yannick Saint-Gerard, Veera Nelliappan