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David L. Ramsey
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Mt. Vernon, IN, US
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last 30 patents
Information
Patent Grant
Method for making polycarbonates
Patent number
5,804,525
Issue date
Sep 8, 1998
General Electric Company
Eugene P. Boden
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Adsorption process for organic base recovery from aqueous brine sol...
Patent number
5,759,406
Issue date
Jun 2, 1998
General Electric Company
Peter David Phelps
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst system for polycarbonate manufacture
Patent number
5,744,416
Issue date
Apr 28, 1998
General Electric Company
Larry I. Flowers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Binary phase transfer/amine catalyst for making aromatic polycarbon...
Patent number
5,739,257
Issue date
Apr 14, 1998
General Electric Company
Eugene P. Boden
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for making polycarbonates
Patent number
5,519,105
Issue date
May 21, 1996
General Electric Company
Eugene P. Boden
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst system for polycarbonate manufacture
Patent number
5,510,449
Issue date
Apr 23, 1996
General Electric Company
Larry I. Flowers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for efficient phosgene usage in the preparation of polycarb...
Patent number
5,416,185
Issue date
May 16, 1995
General Electric Company
Michael L. Becraft
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for making aromatic polycarbonates
Patent number
5,391,692
Issue date
Feb 21, 1995
General Electric Company
Eugene P. Boden
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...