Patents by Inventor Roy Rojas-Wahl
Roy Rojas-Wahl 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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Publication number: 20210301091Abstract: A method for preparing a resin composition, comprising compounding a silicone composition comprising a polyorganosiloxane and a silicone resin soluble in the polyorganosiloxane with a first resin to form a master batch; and compounding the master batch with a second resin. A molded article comprising the resin composition has greatly improved impact strength.Type: ApplicationFiled: July 26, 2019Publication date: September 30, 2021Inventors: Cheng WANG, Roy ROJAS-WAHL
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Patent number: 10266648Abstract: A flame-retarded resin includes at least one resin for which flame retardant capability is desired and at least one triaryl silicon-containing compound (I) as flame retardant in admixture therewith and/or chemically bonded, e.g., grafted, to the resin.Type: GrantFiled: June 27, 2017Date of Patent: April 23, 2019Assignee: Momentive Performance Materials Inc.Inventors: Samim Alam, Koji Suenaga, Roy Rojas-Wahl
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Patent number: 9957357Abstract: There is described a polysiloxane having the structure: wherein R1, R2, and R3 are independently a hydrocarbon radical, an unsaturated radical, an alkoxy radical, an aryl radical or an alkenyloxy radical, R4 is independently a direct bond or hydrocarbon radical optionally substituted with oxygen and nitrogen, R5 is independently a hydrogen, a halogen, an aliphatic group having from 1 to 6 carbon atoms, an aromatic group having 6 to 8 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, or an aryloxy group, R6 is independently a hydroxyl group, an amine group, an acid chloride group, or a sulfonyl halide group, x is from 1 to 300; y is from 0 to 50; and z is from 0 to 50. The polysiloxane is used to make various copolymers and polymer blends. A variety of articles can be made using the polysiloxane described as a polymer blend or copolymer.Type: GrantFiled: November 18, 2016Date of Patent: May 1, 2018Assignee: Momentive Performance Materials, Inc.Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Anuj Mittal, Roy Rojas-Wahl, Samim Alam
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Publication number: 20170369644Abstract: A flame-retarded resin includes at least one resin for which flame retardant capability is desired and at least one triaryl silicon-containing compound (I) as flame retardant in admixture therewith and/or chemically bonded, e.g., grafted, to the resin.Type: ApplicationFiled: June 27, 2017Publication date: December 28, 2017Inventors: Samim ALAM, Koji Suenaga, Roy Rojas-Wahl
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Publication number: 20170066885Abstract: There is described a polysiloxane having the structure: wherein R1, R2, and R3 are independently a hydrocarbon radical, an unsaturated radical, an alkoxy radical, an aryl radical or an alkenyloxy radical, R4 is independently a direct bond or hydrocarbon radical optionally substituted with oxygen and nitrogen, R5 is independently a hydrogen, a halogen, an aliphatic group having from 1 to 6 carbon atoms, an aromatic group having 6 to 8 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, or an aryloxy group, R6 is independently a hydroxyl group, an amine group, an acid chloride group, or a sulfonyl halide group, x is from 1 to 300; y is from 0 to 50; and z is from 0 to 50. The polysiloxane is used to make various copolymers and polymer blends. A variety of articles can be made using the polysiloxane described as a polymer blend or copolymer.Type: ApplicationFiled: November 18, 2016Publication date: March 9, 2017Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Anuj Mittal, Roy Rojas-Wahl, Samim Alam
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Patent number: 9562159Abstract: Disclosed herein is a polyorganosiloxane having the structure of Formula I: wherein, R1 and R2 are independently a hydrocarbon radical, an unsaturated radical, an alkoxy radical, an aryl radical or an alkenyloxy radical. R3 is an organic UV absorbing group, R4 independently is a direct bond, hydrocarbon radical optionally substituted with oxygen and nitrogen, or a group of Formula II(a) or Formula II(b) wherein A and B are a hydrocarbon radical, R5 is independently a hydrogen, a halogen, an aliphatic group having from 1 to 6 carbon atoms, an aromatic group having 6 to 8 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, or an aryloxy group, R6 is independently a hydroxyl group, an amine group, an acid chloride group, or a sulfonyl halide group, x is from 1 to 300, y is from 0 to 50 and z is from 1 to 50. The polyorganosiloxane is used to make various copolymers or polymer blends. A variety of articles can be made using the polysiloxane described as a polymer blend or copolymer.Type: GrantFiled: July 2, 2015Date of Patent: February 7, 2017Assignee: Momentive Performance Material Inc.Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Roy Rojas-Wahl, Samim Alam
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Patent number: 9518182Abstract: There is described a polysiloxane having the structure: wherein R1, R2, and R3 are independently a hydrocarbon radical, an unsaturated radical, an alkoxy radical, an aryl radical or an alkenyloxy radical, R4 is independently a direct bond or hydrocarbon radical optionally substituted with oxygen and nitrogen, R5 is independently a hydrogen, a halogen, an aliphatic group having from 1 to 6 carbon atoms, an aromatic group having 6 to 8 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, or an aryloxy group, R6 is independently a hydroxyl group, an amine group, an acid chloride group, or a sulfonyl halide group, x is from 1 to 300; y is from 0 to 50; and z is from 0 to 50. The polysiloxane is used to make various copolymers and polymer blends. A variety of articles can be made using the polysiloxane described as a polymer blend or copolymer.Type: GrantFiled: July 2, 2015Date of Patent: December 13, 2016Assignee: Momentive Performance Materials, Inc.Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Anuj Mittal, Roy Rojas-Wahl, Samim Alam
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Patent number: 9334372Abstract: There is provided herein a polysiloxane having the general structural formula (I): as described herein. In addition there is provided a copolymer including the polysiloxane, a composition including such a copolymer and another polymer, a method of making the same and articles therefrom.Type: GrantFiled: February 25, 2015Date of Patent: May 10, 2016Assignee: Momentive Performance Materials Inc.Inventors: Anuj Mittal, Samim Alam, Raveendra Mathad, Indumathi Ramakrishnan, Roy Rojas-Wahl
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Publication number: 20160002410Abstract: There is described a polysiloxane having the structure: wherein R1, R2, and R3 are independently a hydrocarbon radical, an unsaturated radical, an alkoxy radical, an aryl radical or an alkenyloxy radical, R4 is independently a direct bond or hydrocarbon radical optionally substituted with oxygen and nitrogen, R5 is independently a hydrogen, a halogen, an aliphatic group having from 1 to 6 carbon atoms, an aromatic group having 6 to 8 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, or an aryloxy group, R6 is independently a hydroxyl group, an amine group, an acid chloride group, or a sulfonyl halide group, x is from 1 to 300; y is from 0 to 50; and z is from 0 to 50. The polysiloxane is used to make various copolymers and polymer blends. A variety of articles can be made using the polysiloxane described as a polymer blend or copolymer.Type: ApplicationFiled: July 2, 2015Publication date: January 7, 2016Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Anuj Mittal, Roy Rojas-Wahl, Samim Alam
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Publication number: 20160002412Abstract: Disclosed herein is a polyorganosiloxane having the structure of Formula I: wherein, R1 and R2 are independently a hydrocarbon radical, an unsaturated radical, an alkoxy radical, an aryl radical or an alkenyloxy radical. R3 is an organic UV absorbing group, R4 independently is a direct bond, hydrocarbon radical optionally substituted with oxygen and nitrogen, or a group of Formula II(a) or Formula II(b) wherein A and B are a hydrocarbon radical, R5 is independently a hydrogen, a halogen, an aliphatic group having from 1 to 6 carbon atoms, an aromatic group having 6 to 8 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, or an aryloxy group, R6 is independently a hydroxyl group, an amine group, an acid chloride group, or a sulfonyl halide group, x is from 1 to 300, y is from 0 to 50 and z is from 1 to 50. The polyorganosiloxane is used to make various copolymers or polymer blends. A variety of articles can be made using the polysiloxane described as a polymer blend or copolymer.Type: ApplicationFiled: July 2, 2015Publication date: January 7, 2016Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Roy Rojas-Wahl, Samim Alam
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Patent number: 7833541Abstract: The cosmetic compositions of the present invention comprise silicone copolymers, terpolymers and higher order polymers that comprise 1) polyether substituted structural units and 2) epoxy or oxirane structural units that are reacted with acrylate species to produce cross linked silicones comprising polyether substituted structural units and acrylate cross links. The cross linked polymers of the present invention are self-emulsifying and may be either water swellable or oil swellable.Type: GrantFiled: April 30, 2007Date of Patent: November 16, 2010Assignee: Momentive Performance Materials Inc.Inventors: Ning Lu, Anna Maria Czech, Pat Hoontrakul, John Nicholson, Roy Rojas-Wahl
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Patent number: 7687574Abstract: The compositions of the present invention comprise silicone copolymers, terpolymers and higher order polymers that comprise 1) polyether substituted structural units and 2) epoxy or oxirane structural units that are reacted with acrylate species to produce cross linked silicones comprising polyether substituted structural units and acrylate cross links. The cross linked polymers of the present invention are self-emulsifying and may be either water swellable or oil swellable.Type: GrantFiled: April 30, 2007Date of Patent: March 30, 2010Assignee: Momentive Performance Materials Inc.Inventors: Ning Lu, Anna Maria Czech, Pat Hoontrakul, John Nicholson, Roy Rojas-Wahl
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Publication number: 20080051497Abstract: The compositions of the present invention comprise silicone copolymers, terpolymers and higher order polymers that comprise 1) polyether substituted structural units and 2) epoxy or oxirane structural units that are reacted with acrylate species to produce cross linked silicones comprising polyether substituted structural units and acrylate cross links. The cross linked polymers of the present invention are self-emulsifying and may be either water swellable or oil swellable.Type: ApplicationFiled: April 30, 2007Publication date: February 28, 2008Applicant: Momentive Performance Materials Inc.Inventors: Ning Lu, Anna Czech, Pat Hoontrakul, John Nicholson, Roy Rojas-Wahl
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Publication number: 20080009600Abstract: The cosmetic compositions of the present invention comprise silicone copolymers, terpolymers and higher order polymers that comprise 1) polyether substituted structural units and 2) epoxy or oxirane structural units that are reacted with acrylate species to produce cross linked silicones comprising polyether substituted structural units and acrylate cross links. The cross linked polymers of the present invention are self-emulsifying and may be either water swellable or oil swellable.Type: ApplicationFiled: April 30, 2007Publication date: January 10, 2008Applicant: Momentive Performance Materials Inc.Inventors: Ning Lu, Anna Czech, Pat Hoontrakul, John Nicholson, Roy Rojas-Wahl
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Publication number: 20070224295Abstract: This invention describes cosmetic, cleaning and care products compositions made using an evaporable siloxane liquid support or carrier having the molecular formula: MvM?wDxTyQz where the subscripts may have the following values: x=0, 1, 2, 3, or 4; y=0, 1, or 2; z=0, 1, 2, 3, or 4; and v and w may be zero or a positive integer subject to the limitation that v+w?1 where the components are defined as follows: M=(R1O)a(R2O)bR3cSiO1/2 where the subscripts may have the following values: a=1, 2, or 3; b=0, 1, or 2; c=0, 1, or 2; subject to the limitation that a+b+c=3 except when w+x+y+z=0 then a+b+c=4; M?=(R1O)d(R2O)eR4fSiO1/2 where the subscripts may have the following values: d=1, 2, or 3; e=0, 1, or 2; f=0, 1, or 2; subject to the limitation that d+e+f=3; D=R5R6SiO2/2; T=R7SiO3/2; and Q=SiO4/2; where R1 and R2 are selected from the group of linear or branched monovalent hydrocarbon radicals having from one to eight carbon atoms and where each R3, R4, R5, R6, and R7 is independently selected from the grType: ApplicationFiled: April 2, 2007Publication date: September 27, 2007Applicant: Momentive Performance Materials (formerly GE Advanced Materials)Inventors: Suresh Rajaraman, Mark Leatherman, Roy Rojas-Wahl, John Razzano
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Publication number: 20050267258Abstract: This invention describes compositions comprising an evaporable siloxane liquid support or carrier having the molecular formula: MvM?wDxTyQz where the subscripts may have the following values: x=0, 1, 2, 3, or 4; y=0, 1, or 2; z=0, 1, 2, 3, or 4; and v and w may be zero or a positive integer subject to the limitation that v+w?1 where the components are defined as follows: M=(R1O)a(R2O)bR3cSiO1/2 where the subscripts may have the following values: a=1, 2, or 3; b=0, 1, or 2; c=0, 1, or 2; subject to the limitation that a+b+c=3 except when w+x+y+z=0 then a+b+c=4; M?=(R1O)d(R2O)eR4fSiO1/2 where the subscripts may have the following values: d=1, 2, or 3; e=0, 1, or 2; f=0, 1, or 2; subject to the limitation that d+e+f=3; D=R5R6SiO2/2; T=R7SiO3/2; and Q=SiO4/2; where R1 and R2 are selected from the group of linear or branched monovalent hydrocarbon radicals having from one to eight carbon atoms and where each R3, R4, R5, R6, and R7 is independently selected from the group of monovalent hydrocarbon radicalType: ApplicationFiled: May 26, 2004Publication date: December 1, 2005Inventors: Suresh Rajaraman, Mark Leatherman, Roy Rojas-Wahl, John Razzano
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Publication number: 20050265942Abstract: This invention describes cosmetic, cleaning and care products compositions made using an evaporable siloxane liquid support or carrier having the molecular formula: MvM?wDxTyQz where the subscripts may have the following values: x=0, 1, 2, 3, or 4; y=0, 1, or 2; z=0, 1, 2, 3, or 4; and v and w may be zero or a positive integer subject to the limitation that v+w?1 where the components are defined as follows: M=(R1O)a(R2O)bR3cSiO1/2 where the subscripts may have the following values: a=1, 2, or 3; b=0, 1, or 2; c=0, 1, or 2; subject to the limitation that a+b+c=3 except when w+x+y+z=0 then a+b+c=4; M?=(R1O)d(R2O)eR4fSiO1/2 where the subscripts may have the following values: d=1, 2, or 3; e=0, 1, or 2; f=0, 1, or 2; subject to the limitation that d+e+f=3; D=R5R6SiO2/2; T=R7SiO3/2; and Q=SiO4/2; where R1 and R2 are selected from the group of linear or branched monovalent hydrocarbon radicals having from one to eight carbon atoms and where each R3, R4, R5, R6, and R7 is independently selected from the grType: ApplicationFiled: May 26, 2004Publication date: December 1, 2005Inventors: Suresh Rajaraman, Mark Leatherman, Roy Rojas-Wahl, John Razzano
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Publication number: 20050249690Abstract: A personal care composition comprising a silicone resin of the generic formula: MQ, wherein the ratio of M to Q is about from 0.01/1 to about 3.96/1; MxDyTz, wherein x is about 0.01 to about 3,900,000, y is about 0.035 to about 10,000,000, z is about 0.35 to about 8,000,000; TD, wherein the ratio of T to D is about 0.001/1 to about 73/1; or a combination comprising at least one of the foregoing resins, wherein the resin or resin combination is present in an amount effective to increase the SPF of the formulation at least about 10% over the same formulation without the resin or resin combination. The silicone resins are easily formulated, provide a unique non-tacky sensory experience and exhibit advantageous spreadability while permitting the introduction of additional functional benefits such as homogeneity, better organic compatibility, reduced skin irritation and improved skin feel or shine.Type: ApplicationFiled: April 14, 2005Publication date: November 10, 2005Inventors: Roy Rojas-Wahl, An-Li Kuo, Suresh Rajaraman
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Publication number: 20050249689Abstract: A personal care composition comprising a silicone resin of the generic formula MQ, wherein the ratio of M to Q is about from 0.01/1 to about 3.96/1, wherein M is of the formula R1aR2bR3cSiO1/2 wherein each R1 and R2 is independently a hydroxyl, a halogen, or a monovalent hydrocarbon radical having 1 to about 60 carbon atoms and R3 is a monovalent hydrocarbon aralkyl radical having 9 to about 40 carbon atoms, optionally with a heteroatom, and a=1, 2, or 3; b=0, 1, or 2; c=0, 1, or 2; subject to the limitation that a+b+c=3; Q is of the generic formula SiO4/2; and a personal care component, wherein the resin is present in an amount effective to increase the SPF of the formulation at least about 10% over the same formulation without the resin.Type: ApplicationFiled: May 10, 2004Publication date: November 10, 2005Inventors: An-Li Kuo, Suresh Rajaraman, Roy Rojas-Wahl