Yeh; Michael H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yeh; Michael H..The latest application filed is for "compositions including cationic polymers and anionic xanthan gum".
- Yeh; Michael H. - Hamilton NJ
- Yeh; Michael H. - Louisville KY
Trademarks
| Patent | Date |
|---|---|
| Compositions including cationic polymers and anionic xanthan gum Grant 5,552,462 - Yeh September 3, 1 | 1996-09-03 |
| Guar gum composition and process for making it Grant 5,489,674 - Yeh February 6, 1 | 1996-02-06 |
| Modified hydrophobic cationic thickening compositions Grant 5,473,059 - Yeh December 5, 1 | 1995-12-05 |
| Modified hydrophobic cationic thickening compositions Grant 5,387,675 - Yeh February 7, 1 | 1995-02-07 |
| Process for derivatizing polygalactomannan using water soluble aluminum salts in the process Grant 4,959,464 - Yeh September 25, 1 | 1990-09-25 |
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