David R. Coffin

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Glenside, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Compositions containing poly(lactic acid), bacteriocin(s), plastici...
- Patent number 8,268,905
- Issue date Sep 18, 2012
- The United States of America, as represented by the Secretary of Agriculture
- LinShu Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Films fabricated from mixtures of pectin and poly(vinyl alchohol)
- Patent number 5,646,206
- Issue date Jul 8, 1997
- The United States of America as represented by the Secretary of Agriculture
- David R. Coffin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Films fabricated from mixtures of pectin and starch
- Patent number 5,451,673
- Issue date Sep 19, 1995
- The United States of America as represented by the Secretary of Agriculture
- Marshall L. Fishman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...