David W. Hughes

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Midland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Alkyl-substituted thiapolycyclic polyahl and polyurethanes, polyami...
- Patent number 4,581,435
- Issue date Apr 8, 1986
- The Dow Chemical Company
- David W. Hughes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reaction injection molded polyurethanes, polyureas and polyurea-ure...
- Patent number 4,495,309
- Issue date Jan 22, 1985
- The Dow Chemical Company
- Tonja R. Sutton
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reaction injection molded polyurethanes employing thiapolycyclic po...
- Patent number 4,477,644
- Issue date Oct 16, 1984
- The Dow Chemical Company
- Tonja R. Sutton
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
9-Thiabicyclononanediisocyanates and polymers made therefrom
- Patent number 4,458,061
- Issue date Jul 3, 1984
- The Dow Chemical Company
- David W. Hughes
- C07 - ORGANIC CHEMISTRY