Patents by Inventor Riaz Hassan Rizvi

Riaz Hassan Rizvi 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).

  • Antiperspirant products made from wet-milled anhydrous antiperspirant salts
    Patent number: 6613312
    Abstract: Antiperspirant compositions which comprise: a) a wet-milled antiperspirant active material; b) a silicone and/or hydrocarbon carrier material; and c) a suspending agent or gellant are described.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: September 2, 2003
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Riaz Hassan Rizvi, Rebecca Sue Moen Jenks
  • Antiperspirant products made from wet-milled anhydrous antiperspirant salts
    Publication number: 20020071817
    Abstract: Antiperspirant compositions which comprise:
    Type: Application
    Filed: October 24, 2001
    Publication date: June 13, 2002
    Applicant: Helene Curtis
    Inventors: Riaz Hassan Rizvi, Rebecca Sue Moen Jenks