Waverly A. Duggar

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The Woodlands, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Polyphenylene sulfide proppants
- Patent number 7,568,524
- Issue date Aug 4, 2009
- Chevron Phillips Chemical Company LP
- Jay Glenn Blackburn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Polyphenylene Sulfide Proppants
- Publication number 20080217010
- Publication date Sep 11, 2008
- Chevron Phillips Chemical Company, LP
- Jay Glenn Blackburn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...