William D. Spears

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West Columbia, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Corrosion inhibition of metals in water systems using aminophosphon...
- Patent number 4,640,818
- Issue date Feb 3, 1987
- The Dow Chemical Company
- Jeffrey G. Grierson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...