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).

  • Publication number: 20210301091
    Abstract: 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: Application
    Filed: July 26, 2019
    Publication date: September 30, 2021
    Inventors: Cheng WANG, Roy ROJAS-WAHL
  • Patent number: 10266648
    Abstract: 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: Grant
    Filed: June 27, 2017
    Date of Patent: April 23, 2019
    Assignee: Momentive Performance Materials Inc.
    Inventors: Samim Alam, Koji Suenaga, Roy Rojas-Wahl
  • Patent number: 9957357
    Abstract: 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: Grant
    Filed: November 18, 2016
    Date of Patent: May 1, 2018
    Assignee: Momentive Performance Materials, Inc.
    Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Anuj Mittal, Roy Rojas-Wahl, Samim Alam
  • Publication number: 20170369644
    Abstract: 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: Application
    Filed: June 27, 2017
    Publication date: December 28, 2017
    Inventors: Samim ALAM, Koji Suenaga, Roy Rojas-Wahl
  • Publication number: 20170066885
    Abstract: 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: Application
    Filed: November 18, 2016
    Publication date: March 9, 2017
    Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Anuj Mittal, Roy Rojas-Wahl, Samim Alam
  • Patent number: 9562159
    Abstract: 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: Grant
    Filed: July 2, 2015
    Date of Patent: February 7, 2017
    Assignee: Momentive Performance Material Inc.
    Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Roy Rojas-Wahl, Samim Alam
  • Patent number: 9518182
    Abstract: 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: Grant
    Filed: July 2, 2015
    Date of Patent: December 13, 2016
    Assignee: Momentive Performance Materials, Inc.
    Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Anuj Mittal, Roy Rojas-Wahl, Samim Alam
  • Patent number: 9334372
    Abstract: 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: Grant
    Filed: February 25, 2015
    Date of Patent: May 10, 2016
    Assignee: Momentive Performance Materials Inc.
    Inventors: Anuj Mittal, Samim Alam, Raveendra Mathad, Indumathi Ramakrishnan, Roy Rojas-Wahl
  • Publication number: 20160002410
    Abstract: 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: Application
    Filed: July 2, 2015
    Publication date: January 7, 2016
    Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Anuj Mittal, Roy Rojas-Wahl, Samim Alam
  • Publication number: 20160002412
    Abstract: 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: Application
    Filed: July 2, 2015
    Publication date: January 7, 2016
    Inventors: Narayana Padmanabha Iyer, Indumathi Ramakrishnan, Roy Rojas-Wahl, Samim Alam
  • Patent number: 7833541
    Abstract: 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: Grant
    Filed: April 30, 2007
    Date of Patent: November 16, 2010
    Assignee: Momentive Performance Materials Inc.
    Inventors: Ning Lu, Anna Maria Czech, Pat Hoontrakul, John Nicholson, Roy Rojas-Wahl
  • Patent number: 7687574
    Abstract: 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: Grant
    Filed: April 30, 2007
    Date of Patent: March 30, 2010
    Assignee: Momentive Performance Materials Inc.
    Inventors: Ning Lu, Anna Maria Czech, Pat Hoontrakul, John Nicholson, Roy Rojas-Wahl
  • Publication number: 20080051497
    Abstract: 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: Application
    Filed: April 30, 2007
    Publication date: February 28, 2008
    Applicant: Momentive Performance Materials Inc.
    Inventors: Ning Lu, Anna Czech, Pat Hoontrakul, John Nicholson, Roy Rojas-Wahl
  • Publication number: 20080009600
    Abstract: 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: Application
    Filed: April 30, 2007
    Publication date: January 10, 2008
    Applicant: Momentive Performance Materials Inc.
    Inventors: Ning Lu, Anna Czech, Pat Hoontrakul, John Nicholson, Roy Rojas-Wahl
  • Publication number: 20070224295
    Abstract: 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 gr
    Type: Application
    Filed: April 2, 2007
    Publication date: September 27, 2007
    Applicant: Momentive Performance Materials (formerly GE Advanced Materials)
    Inventors: Suresh Rajaraman, Mark Leatherman, Roy Rojas-Wahl, John Razzano
  • Publication number: 20050267258
    Abstract: 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 radical
    Type: Application
    Filed: May 26, 2004
    Publication date: December 1, 2005
    Inventors: Suresh Rajaraman, Mark Leatherman, Roy Rojas-Wahl, John Razzano
  • Publication number: 20050265942
    Abstract: 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 gr
    Type: Application
    Filed: May 26, 2004
    Publication date: December 1, 2005
    Inventors: Suresh Rajaraman, Mark Leatherman, Roy Rojas-Wahl, John Razzano
  • Publication number: 20050249690
    Abstract: 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: Application
    Filed: April 14, 2005
    Publication date: November 10, 2005
    Inventors: Roy Rojas-Wahl, An-Li Kuo, Suresh Rajaraman
  • Publication number: 20050249689
    Abstract: 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: Application
    Filed: May 10, 2004
    Publication date: November 10, 2005
    Inventors: An-Li Kuo, Suresh Rajaraman, Roy Rojas-Wahl