Riaz Hassan Rizvi

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Aurora, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Antiperspirant products made from wet-milled anhydrous antiperspira...
- Patent number 6,613,312
- Issue date Sep 2, 2003
- Unilever Home & Personal Care USA, division of Conopco, Inc.
- Riaz Hassan Rizvi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hair styling gels
- Patent number 6,274,129
- Issue date Aug 14, 2001
- Helene Curtis, Inc.
- Darshna Bhatt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hair styling gels
- Patent number 6,132,704
- Issue date Oct 17, 2000
- Helene Curtis, Inc.
- Darshna Bhatt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Stable conditioning shampoo containing polyethyleneimine and a fatt...
- Patent number 5,360,581
- Issue date Nov 1, 1994
- Helene Curtis, Inc.
- Riaz Rizvi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Stable conditioning shampoo containing fatty acid
- Patent number 5,248,445
- Issue date Sep 28, 1993
- Helene Curtis, Inc.
- Riaz Rizvi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Antiperspirant products made from wet-milled anhydrous antiperspira...
- Publication number 20020071817
- Publication date Jun 13, 2002
- Helene Curtis
- Riaz Hassan Rizvi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Hair styling gels
- Publication number 20020004035
- Publication date Jan 10, 2002
- HELENE CURTIS, INC.
- Darshna Bhatt
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC