Patents by Inventor Nancy E. Gosh

Nancy E. Gosh 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).

  • Patent number: 7671161
    Abstract: A process for making a fluorosilicone MDaDFbM? where M=R1R2R3SiO1/2; M?=(OH)R6R7SiO1/2 or (OH)R4R5SiO1/2; D=R4R5SiO2/2; and DF=R6R7SiO2/2; where the subscript a is zero or positive, the subscript b is positive and the subscripts a and b satisfy the following relationship: b>0.
    Type: Grant
    Filed: October 13, 2006
    Date of Patent: March 2, 2010
    Assignee: Momentive Performance Materials Inc.
    Inventors: Nancy E. Gosh, John S. Razzano, Anping Wang
  • Publication number: 20080090987
    Abstract: A process for making a fluorosilicone MDaDFbM? where M=R1R2R3SiO1/2; M?=(OH)R6R7SiO1/2 or (OH)R4R5SiO1/2; D=R4R5SiO2/2; and DF=R6R7SiO2/2; where the subscript a is zero or positive, the subscript b is positive and the subscripts a and b satisfy the following relationship: b>0.
    Type: Application
    Filed: October 13, 2006
    Publication date: April 17, 2008
    Inventors: Nancy E. Gosh, John S. Razzano, Anping Wang
  • Publication number: 20080090985
    Abstract: A process for making a fluorosilicone M?DaDFbM? with M?=(OH)R6R7SiO1/2 or (OH)R4R5SiO1/2 and is chosen independently of M?; M?=(OH)R6R7SiO1/2 or (OH)R4R5SiO1/2 and is chosen independently of M?; D=R4R5SiO2/2; and DF=R6R7SiO2/2; where the subscript a is zero or positive, the subscript b is positive and the subscripts a and b satisfy the following relationship: b>0.
    Type: Application
    Filed: October 13, 2006
    Publication date: April 17, 2008
    Inventors: Nancy E. Gosh, John S. Razzano, Anping Wang
  • Patent number: 6492479
    Abstract: The invention comprises a method for producing fluorosilicone oil by reacting a fluorosilicone trimer with a triorganosilanol in the presence of an alkali silanolate. The polymer may be condensed to increase viscosity and decrease the silanol content of the polymer, and volatiles may be removed by stripping. The method provides a high yield of fluorosilicone oil of narrow viscosity ranges in an efficient reaction, and produces small amounts of waste.
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: December 10, 2002
    Assignee: General Electric Company
    Inventors: John S. Razzano, Nancy E. Gosh
  • Patent number: 6433204
    Abstract: A process for the production of linear silanol stopped siloxanes comprising: a) conducting a ring opening polymerization of a hexaorganocyclotrisiloxane having the formula: D3=(R1R2SiO)3 where R1 and R2 are independently selected from the group of one to forty carbon atom monovalent radicals, in a solvent comprising a mixture of water and a volatile polar aprotic organic solvent in the presence of catalytic amounts of a strong base; b) neutralizing the catalytic amount of the strong base with a partially neutralized salt of a polybasic acid wherein the pH ranges from about 6 to about 8; and c) washing with water.
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: August 13, 2002
    Assignee: General Electric Company
    Inventors: Nancy E. Gosh, John S. Razzano, Slawomir Rubinsztajn
  • Publication number: 20020099233
    Abstract: A process for the production of linear silanol stopped siloxanes comprising: a) conducting a ring opening polymerization of a hexaorganocyclotrisiloxane having the formula:
    Type: Application
    Filed: January 23, 2002
    Publication date: July 25, 2002
    Applicant: General Electric Company
    Inventors: Nancy E. Gosh, John S. Razzano, Slawomir Rubinsztajn
  • Publication number: 20020010301
    Abstract: The invention comprises a method for producing fluorosilicone oil by reacting a fluorosilicone trimer with a triorganosilanol in the presence of an alkali silanolate. The polymer may be condensed to increase viscosity and decrease the silanol content of the polymer, and volatiles may be removed by stripping. The method provides a high yield of fluorosilicone oil of narrow viscosity ranges in an efficient reaction, and produces small amounts of waste.
    Type: Application
    Filed: August 22, 2001
    Publication date: January 24, 2002
    Applicant: General Electric Co.
    Inventors: John S. Razzano, Nancy E. Gosh
  • Patent number: 6232425
    Abstract: A process for making organosilyl end-stopped diorganopolysiloxane fluid is provided comprising the steps of reacting an organic end-stopping compound with a fluorosilicone trimer in the presence of a catalytic amount of linear phosphonitrilic acid, and inactivating the linear phosphonitrilic acid, thereby forming organosilyl end-stopped diorganopolysiloxane fluid.
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: May 15, 2001
    Assignee: General Electric Company
    Inventors: John S. Razzano, Nancy E. Gosh