David Junhui Dai

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Lansdale, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Controlled release compositions
- Patent number 6,676,954
- Issue date Jan 13, 2004
- Rohm & Haas Company
- David Junhui Dai
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
Controlled release compositions
- Publication number 20020001618
- Publication date Jan 3, 2002
- David Junhui Dai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...