Michael H. Yeh

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Hamilton, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Compositions including cationic polymers and anionic xanthan gum
- Patent number 5,552,462
- Issue date Sep 3, 1996
- Rhone-Poulenc Inc.
- Michael H. Yeh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Derivatized guar gum composition and process for making it
- Patent number 5,536,825
- Issue date Jul 16, 1996
- Rhone-Poulenc Inc.
- Michael H. Yeh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Guar gum composition and process for making it
- Patent number 5,489,674
- Issue date Feb 6, 1996
- Rhone-Poulenc Inc.
- Michael H. Yeh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified hydrophobic cationic thickening compositions
- Patent number 5,473,059
- Issue date Dec 5, 1995
- Rhone-Poulenc Inc.
- Michael H. Yeh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Modified hydrophobic cationic thickening compositions
- Patent number 5,387,675
- Issue date Feb 7, 1995
- Rhone Poulenc Specialty Chemicals Co.
- Michael H. Yeh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Amphoteric polysaccharide compositions
- Patent number 5,378,830
- Issue date Jan 3, 1995
- Rhone Poulenc Specialty Chemicals Co.
- Michael H. Yeh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE