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Klaus Mackensen
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Frankfurt/Main, DE
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last 30 patents
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Patent Grant
Process and apparatus for crystallization of polytrimethylene terep...
Patent number
6,984,116
Issue date
Jan 10, 2006
Shell Oil Company
James Gao Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polytrimethylene terephthalate (PTT)
Patent number
6,800,718
Issue date
Oct 5, 2004
Zimmer Aktiengesellschaft
Fritz Wilhelm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process and apparatus for crystallization of polytrimethylene terep...
Patent number
6,740,733
Issue date
May 25, 2004
Shell Oil Company
James Gao Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for generating a vacuum in production of polycarbonate
Patent number
5,576,414
Issue date
Nov 19, 1996
Zimmer Aktiengesellschaft
Fritz Wilhelm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the multistage generation of vacuum for polyester produ...
Patent number
5,466,776
Issue date
Nov 14, 1995
Zimmer Aktiengesellschaft
Juergen Krautstrunk
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the continuous production of polybutylene terephthalate...
Patent number
4,499,261
Issue date
Feb 12, 1985
Davy McKee A.G.
Helmut Heinze
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Process and apparatus for crystallization of polytrimethylene terep...
Publication number
20040176565
Publication date
Sep 9, 2004
James Gao Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process and apparatus for crystallization of polytrimethylene terep...
Publication number
20030109640
Publication date
Jun 12, 2003
James Gao Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...