Patents by Inventor Laura A. Socha

Laura A. Socha 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).

  • Fluoropolymeric composition
    Patent number: 6417280
    Abstract: A blended solid composition is provided containing a fibrillatable microparticulate PTFE polymer in an unfibrillated state and at least one elastomeric and/or fluoroplastic component. The composition is useful in making microfiber-reinforced solid compositions and articles produced therefrom.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: July 9, 2002
    Assignee: Chemfab Corporation
    Inventors: John A. Effenberger, Christopher M. Comeaux, Lawrence D. David, Timothy P. Pollock, Katherine M. Sahlin, Laura A. Socha, Richard L. Stone, John W. Verbicky
  • Fluoropolymeric composition
    Publication number: 20010034414
    Abstract: A blended solid composition is provided containing a fibrillatable microparticulate PTFE polymer in an unfibrillated state and at least one elastomeric and/or fluoroplastic component. The composition is useful in making microfiber-reinforced solid compositions and articles produced therefrom.
    Type: Application
    Filed: April 6, 2001
    Publication date: October 25, 2001
    Inventors: John A. Effenberger, Christopher M. Comeaux, Lawrence D. David, Timothy P. Pollock, Katherine M. Sahlin, Laura A. Socha, Richard L. Stone, John W. Verbicky
  • Fluoropolymeric composition
    Patent number: 6239223
    Abstract: A blended solid composition is provided containing a fibrillatable microparticulate PTFE polymer in an unfibrillated state and at least one elastomeric and/or fluoroplastic component. The composition is useful in making microfiber-reinforced solid compositions and articles produced therefrom.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: May 29, 2001
    Assignee: Chemfab Corporation
    Inventors: John A. Effenberger, Christopher M. Comeaux, Lawrence D. David, Timothy P. Pollock, Katherine M. Sahlin, Laura A. Socha, Richard L. Stone, John W. Verbicky
  • Copolymers of dicarboxylic acids and salicylic acids
    Patent number: 5198572
    Abstract: A composition and method of making copolymers of salicylic acid and dicarboxylic acid by reacting at least one salicylic acid with at least one dicarboxylic acid and at least one acetic anhydride for every salicylic and dicarboxylic acid present. The composition is useful for functionalizing polyphenylene ethers that are capable of forming copolymers useful for compatibilizing blends of polyphenylene ethers and polyamides.
    Type: Grant
    Filed: February 4, 1991
    Date of Patent: March 30, 1993
    Assignee: General Electric Company
    Inventors: Dwain M. White, Laura A. Socha
  • Preparation of functionalized polyphenylene ether using copolymers of dicarboxylic acids and salicylic acids
    Patent number: 5122575
    Abstract: A composition and method of making polyphenylene ethers capped by copolymers of salicylic acid and dicarboxylic acid by reacting at least one polyphenylene ether with at least one of the aforementioned copolymers. The composition is useful to form copolymers capable of compatibilizing blends of polyphenylene ethers and polyetherimides.
    Type: Grant
    Filed: February 4, 1991
    Date of Patent: June 16, 1992
    Assignee: General Electric Company
    Inventors: Dwain M. White, Laura A. Socha
  • Polyphenylene ether-polyamide compositions from dicarboxylate-capped polyphenylene ethers
    Patent number: 5122576
    Abstract: Disclosed are polymer blends and compolymers of polyphenylene ethers, functionalized by copolymers of dicarboxylic acid and salicylic acid, which react with polyamides and are capable of compatibilizing blends of polyphenylene ethers and polyamides.
    Type: Grant
    Filed: February 4, 1991
    Date of Patent: June 16, 1992
    Assignee: General Electric Company
    Inventors: Dwain M. White, Laura A. Socha
  • Low odor polyphenylene ether produced in the absence of odor causing amine, in presence of manganese chelate complex catalyst
    Patent number: 5001214
    Abstract: An odor free polyphenylene ether is made from polymerization grade phenolic monomer which has been crystallized from a solvent. An amine free catalyst is used to polymerize the monomer. The polyphenylene ether is useful as a packaging material for food which is to be stored at a low temperature and/or cooked in the package at a high temperature.
    Type: Grant
    Filed: June 23, 1989
    Date of Patent: March 19, 1991
    Assignee: General Electric Company
    Inventors: Dwain M. White, Laura A. Socha
  • Blends and copolymers of polyetherimide and functionalized polyphenylene ether
    Patent number: 4942206
    Abstract: Polymer blends and copolymers made therefrom, of anhydride-functionalized polyphenylene ether and polyetherimide. The components of the blends have improved compatibility, resulting in more homogeneous blends. The blends exhibit good mechanical properties and are suitable for forming films, molded products and other useful articles of manufacture. The copolymers have utility as compatibilizers for blends of polyphenylene ether and polyetherimide.
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: July 17, 1990
    Assignee: General Electric Company
    Inventors: Dwain M. White, Laura A. Socha, Roelof Van Der Meer
  • Method for preparing polysalicylates
    Patent number: 4855483
    Abstract: Polysalicylates are prepared according to the present invention by the reaction of salicylic acid with a carboxylic acid derivative such as acetic anhydride or acetyl chloride. The reaction is carried out under conditions which yield greater than about 90% by weight linear polysalicylate product.
    Type: Grant
    Filed: February 18, 1988
    Date of Patent: August 8, 1989
    Assignee: General Electric Company
    Inventors: Dwain M. White, Laura A. Socha
  • Silicone-polyarylene ether block copolymers, and method for making
    Patent number: 4814392
    Abstract: Silicone-polyarylene ether block copolymers are provided which can be made by effecting reaction between amino terminated polydiorganosiloxane and anhydride functionalized polyarylene ether.
    Type: Grant
    Filed: November 25, 1987
    Date of Patent: March 21, 1989
    Assignee: General Electric Company
    Inventors: Timothy J. Shea, John R. Campbell, Dwain M. White, Laura A. Socha
  • Anhydride capping polyphenylene ether with carboxylic acid
    Patent number: 4806602
    Abstract: Polyphenylene ethers are capped by reaction at a temperature in the range of about 175.degree.-350.degree. C. with at least one carboxylic acid anhydride in the presence of a catalytic amount of at least one highly basic and/or nucleophilic amine. The capping reaction advantageously takes place in the melt. Blends of polyphenylene ethers with polystyrenes may also be capped.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: February 21, 1989
    Assignee: General Electric Company
    Inventors: Dwain M. White, Laura A. Socha
  • Polyphenylene ether capped with salicylic acid ester
    Patent number: 4760118
    Abstract: Polyphenylene ethers are capped by reaction in the melt with an ester of salicylic acid, anthranilic acid or a substituted derivative thereof; esters of salicylic acid, and especially salicylic carbonate and linear polysalicylates, are preferred. The capping reaction typically takes place at a temperature in the range of about 225.degree.-325.degree. C., employing about 5-12% by weight of the ester based on polyphenylene ether.
    Type: Grant
    Filed: March 23, 1987
    Date of Patent: July 26, 1988
    Assignee: General Electric Company
    Inventors: Dwain M. White, Laura A. Socha