Patents by Inventor Kanchan Ghosal

Kanchan Ghosal 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).

  • Elastomeric material for rubber articles
    Patent number: 6627325
    Abstract: A polymer latex composition suitable for rubber articles comprises about 5 to about 65 weight percent of an aromatic vinyl monomer, about 35 to about 90 weight percent of a conjugated diene monomer, and about 0.5 to about 10 weight percent of a component selected from the group consisting of an unsaturated acid monomer, a partial ester of an unsaturated polycarboxylic acid, and mixtures thereof. The polymer latex composition has a gel content of no more than about 85 percent.
    Type: Grant
    Filed: August 4, 1998
    Date of Patent: September 30, 2003
    Assignee: Dow Reichhold Specialty Latex LLC
    Inventors: Kanchan Ghosal, Venkataram Krishnan
  • Elastomeric material for rubber articles
    Patent number: 5910533
    Abstract: A polymer latex composition suitable for making rubber articles comprises about 80 to about 99 weight percent of a conjugated diene monomer; above 0 to about 10 weight percent of an unsaturated acid monomer; and from 0 to about 20 weight percent of an additional unsaturated monomer. The polymer latex composition has a glass transition temperature of no greater than about -50.degree. C.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: June 8, 1999
    Assignee: Reichhold Chemicals, Inc.
    Inventors: Kanchan Ghosal, Venkataram Krishnan