Yuo-Guo Pan

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Stamford, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Hair dye compositions containing anthraquinone dyes having a quater...
- Patent number 5,891,200
- Issue date Apr 6, 1999
- Mu-Ill Lim
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods for dyeing hair with anthraquinone hair dyes having a quate...
- Patent number 5,520,707
- Issue date May 28, 1996
- Clairol, Inc.
- Mu-Ill Lim
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Synthesis of 2-methyl-1-naphthol
- Patent number 5,420,362
- Issue date May 30, 1995
- Clairol, Inc.
- Mu-Ill Lim
- C07 - ORGANIC CHEMISTRY