Patents by Inventor Jagadish Chandra Goswami

Jagadish Chandra Goswami 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).

  • Foamable PVC resin formulation, process for foaming, and product thereof
    Patent number: 4031045
    Abstract: A foamable polyvinyl chloride (PVC) resin formulation containing (1) a copolymer formed by emulsion polymerizing from about 70% to about 90% vinyl chloride, from about 5% to about 15% vinyl acetate and from about 5% to about 15% of a bis(hydrocarbyl)vinylphosphonate; (2) a polyester or epoxy plasticizer (or mixture thereof) and (3) 4,4'-oxybis (benzene sulfonyl hydrazide) is foamed to form a product having a smooth unblistered surface, good cell quality and medium density. The foaming can take place at a temperature of from about 320.degree. F. (160.degree. C.) to about 400.degree. F. (204.degree. C.) for a period of time of from about 6 to about 20 minutes.
    Type: Grant
    Filed: July 28, 1976
    Date of Patent: June 21, 1977
    Assignee: Stauffer Chemical Company
    Inventor: Jagadish Chandra Goswami