Patents by Inventor David Goldwasser

David Goldwasser 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).

  • Membranes of polyurethane based materials including polyester polyols
    Publication number: 20020045048
    Abstract: The present invention relates to membranes including an urethane including a polyester polyol, wherein the membrane has a gas transmission rate of 15.0 or less for nitrogen gas wherein the membrane has an average thickness of approximately 20.0 mils. Under certain embodiments, the membranes include blends of one or more polyester polyol based thermoplastic urethanes and one or more barrier materials. The membranes can be employed in a variety of applications and can be used as either monolayers or multi-layered laminates.
    Type: Application
    Filed: September 27, 2001
    Publication date: April 18, 2002
    Inventors: Henry W. Bonk, David Goldwasser
  • Membranes of polyurethane based materials including polyester polyols
    Publication number: 20020034598
    Abstract: The present invention relates to membranes including an urethane including a polyester polyol, wherein the membrane has a gas transmission rate of 15.0 or less for nitrogen gas wherein the membrane has an average thickness of approximately 20.0 mils. Under certain embodiments, the membranes include blends of one or more polyester polyol based thermoplastic urethanes and one or more barrier materials. The membranes can be employed in a variety of applications and can be used as either monolayers or multi-layered laminates.
    Type: Application
    Filed: September 27, 2001
    Publication date: March 21, 2002
    Inventors: Henry W. Bonk, David Goldwasser
  • Membranes of polyurethane based materials including polyester polyols
    Patent number: 6321465
    Abstract: The present invention relates to membranes including an urethane including a polyester polyol, wherein the membrane has a gas transmission rate of 15.0 or less for nitrogen gas wherein the membrane has an average thickness of approximately 20.0 mils. Under certain embodiments, the membranes include blends of one or more polyester polyol based thermoplastic urethanes and one or more barrier materials. The membranes can be employed in a variety of applications and can be used as either monolayers or multi-layered laminates.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: November 27, 2001
    Assignee: Nike, Inc.
    Inventors: Henry W. Bonk, David Goldwasser
  • Membranes of polyurethane based materials including polyester polyols
    Patent number: 6013340
    Abstract: The present invention relates to membranes including an urethane including a polyester polyol, wherein the membrane has a gas transmission rate of 15.0 or less for nitrogen gas wherein the membrane has an average thickness of approximately 20.0 mils. Under certain embodiments, the membranes include blends of one or more polyester polyol based thermoplastic urethanes and one or more barrier materials. The membranes can be employed in a variety of applications and can be used as either monolayers or multi-layered laminates.
    Type: Grant
    Filed: December 12, 1995
    Date of Patent: January 11, 2000
    Assignee: Nike, Inc.
    Inventors: Henry W. Bonk, David Goldwasser