Ann Marie Corey

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Akron, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for crystallization of polytrimethylene terephthalate
- Patent number 6,461,575
- Issue date Oct 8, 2002
- Shell Oil Company
- Ben Duh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
High temperature solid state polymerization of poly (trimethylene t...
- Patent number 6,441,129
- Issue date Aug 27, 2002
- Shell Oil Company
- Ben Duh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing polytrimethylene terephthalate
- Patent number 6,297,315
- Issue date Oct 2, 2001
- Shell Oil Company
- Ben Duh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
High temperature solid state polymerization of poly (trimethylene t...
- Publication number 20010056172
- Publication date Dec 27, 2001
- Ben Duh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...