James N. Wells

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Cottage Grove, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Extension of polyurethane hydrogel cure time
- Patent number 4,383,079
- Issue date May 10, 1983
- Minnesota Mining and Manufacturing Company
- Alton J. Gasper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Poly(urethane-isocyanurate) foams containing hollow glass spheres
- Patent number 3,993,608
- Issue date Nov 23, 1976
- Minnesota Mining and Manufacturing Company
- James N. Wells
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...