Zhu-ning Ma

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Oak Park, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Antiperspirant deodorant compositions
- Patent number 5,968,490
- Issue date Oct 19, 1999
- Helene Curtis, Inc.
- Wei Mei Sun
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Topically effective antiperspirant compositions
- Patent number 5,833,965
- Issue date Nov 10, 1998
- Helene Curtis, Inc.
- Wei Mei Sun
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Antiperspirant deodorant compositions
- Patent number 5,672,340
- Issue date Sep 30, 1997
- Helene Curtis, Inc.
- Wei Mei Sun
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Antiperspirant deodorant compositions
- Patent number 5,547,661
- Issue date Aug 20, 1996
- Helene Curtis, Inc.
- Wei-Mei Sun
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE