Patents by Inventor Narinder S. Grewal

Narinder S. Grewal 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).

  • Dental hygiene compositions
    Patent number: 4550018
    Abstract: Dental hygiene compositions containing as antiplaque/antiseptic/deodorizing active ingredient highly pure alkali metal lauryl sulphate substantially free from non-lauryl alkyl salts.
    Type: Grant
    Filed: September 26, 1984
    Date of Patent: October 29, 1985
    Assignee: Warner-Lambert Company
    Inventors: Suhas H. Ambike, Narinder S. Grewal, Eric Blaser
  • Dental hygiene compositions
    Patent number: 4545979
    Abstract: Dental hygiene compositions containing as antiplaque/antiseptic/deodorizing active ingredient highly pure alkali metal lauryl sulphate substantially free from non-lauryl alkyl salts.
    Type: Grant
    Filed: September 26, 1984
    Date of Patent: October 8, 1985
    Assignee: Warner-Lambert Company
    Inventors: Suhas H. Ambike, Narinder S. Grewal, Eric Blaser