John D. Duffy

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La Wantzenau, FR

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Patents Grantslast 30 patents

Information Patent Grant
Blowing agent composition and polymeric foam containing a normally-...
- Patent number 6,599,946
- Issue date Jul 29, 2003
- The Dow Chemical Company
- John D. Duffy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Blowing agent compositions containing hydrofluorocarbons and a low-...
- Patent number 6,476,080
- Issue date Nov 5, 2002
- The Dow Chemical Company
- John D. Duffy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Blowing agent composition and polymeric foam containing a normally-...
- Publication number 20030119926
- Publication date Jun 26, 2003
- John D. Duffy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Blowing agent composition and polymeric foam containing a normally-...
- Publication number 20020161063
- Publication date Oct 31, 2002
- John D. Duffy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Blowing agent compositions containing hydrofluorocarbons and a low-...
- Publication number 20020132868
- Publication date Sep 19, 2002
- John D. Duffy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...