Patents by Inventor A. M. Sarpeshkar

A. M. Sarpeshkar 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).

  • Non-sagging, light stable polyurethane compositions, a process for producing them, and their use as seam sealants
    Patent number: 5770673
    Abstract: The present invention relates to non-sagging, light stable polyurethane compositions. These non-sagging, light stable polyurethane compositions are the reaction product of a liquid hexamethylene diisocyanate adduct with a mixture of an organic compound containing hydroxyl groups, an aliphatic and/or alicyclic diamine, and an alkanolamine. It also relates to a process for producing these non-sagging, light stable compositions, and their use as seam sealants.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: June 23, 1998
    Assignee: Bayer Corporation
    Inventors: Peter H. Markusch, Robert L. Cline, A. M. Sarpeshkar