Patents by Inventor Inaganti V. Prasad

Inaganti V. Prasad 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).

  • Chrome utilization in chrome tanning
    Patent number: 4327997
    Abstract: Method of chrome tanning wherein, after unhairing and bating, a water soluble amino compound is provided in an acidified hide stock solution prior to or simultaneously with addition of a chrome tanning agent. The amount of chrome tanning agent required in the charge, and therefore the amount of chrome in the exhaust liquor or effluent, is thereby substantially reduced, thus providing greater control over pollution due to chrome in leather manufacturing operations.
    Type: Grant
    Filed: August 11, 1980
    Date of Patent: May 4, 1982
    Assignee: Rohm and Haas Company
    Inventors: William C. Prentiss, Inaganti V. Prasad