C. Darwin Williamson

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Sugar Land, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Acrylamide terpolymer shale stabilizing additive for low viscosity...
- Patent number 5,208,216
- Issue date May 4, 1993
- Nalco Chemical Company
- C. Darwin Williamson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Precipitation control
- Patent number 5,126,059
- Issue date Jun 30, 1992
- Nalco Chemical Company
- C. Darwin Williamson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...