Gregory D. Cramer

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Seaford, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for solid phase polymerization
- Patent number 5,955,569
- Issue date Sep 21, 1999
- E. I. Du Pont de Nemours and Company
- Ramdas Dujari
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for increasing the molecular weight of polyamides and other...
- Patent number 5,543,495
- Issue date Aug 6, 1996
- E. I. Du Pont de Nemours and Company
- Colin Anolick
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amidation catalyst concentrates
- Patent number 5,539,079
- Issue date Jul 23, 1996
- E. I. Du Pont de Nemours and Company
- Gregory D. Cramer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amidation catalyst concentrates
- Patent number 5,420,230
- Issue date May 30, 1995
- E. I. Du Pont de Nemours and Company
- Gregory D. Cramer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sensor-holding device
- Patent number 5,069,552
- Issue date Dec 3, 1991
- E. I. Du Pont de Nemours and Company
- Gregory D. Cramer
- G01 - MEASURING TESTING
Information Patent Grant
Additive injection valve
- Patent number 4,281,935
- Issue date Aug 4, 1981
- E. I. Du Pont de Nemours and Company
- Gregory D. Cramer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL