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Rosbach, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing highly condensed solid-phase polyesters
Patent number
7,977,448
Issue date
Jul 12, 2011
Lurgi Zimmer GmbH
Brigitta Otto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method and apparatus for producing solid-state polycondensed polyes...
Patent number
7,262,263
Issue date
Aug 28, 2007
Brigitta Otto
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 of producing polytrimethylene terephthalate (PTT)
Patent number
6,512,080
Issue date
Jan 28, 2003
Shell Oil Company
Donald Ross Kelsey
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Optimum dipropylene glycol content polytrimethylene terephthalate c...
Patent number
6,509,438
Issue date
Jan 21, 2003
Shell Oil Company
Donald Ross Kelsey
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process of producing polytrimethylene terephthalate (PTT)
Patent number
6,326,456
Issue date
Dec 4, 2001
Shell Oil Company
Donald Ross Kelsey
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process of producing polytrimethylene terephthalate (PTT)
Patent number
6,277,947
Issue date
Aug 21, 2001
Shell Oil Company
Donald Ross Kelsey
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the purification of process gases by catalytic oxidation
Patent number
5,738,835
Issue date
Apr 14, 1998
Zimmer Aktiengesellschaft
Matthias Brueck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Method for producing highly condensed solid-phase polyesters
Publication number
20070179269
Publication date
Aug 2, 2007
Brigitta Otto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method and device for producing highly condensed polyesters in the...
Publication number
20050080225
Publication date
Apr 14, 2005
Brigitta Otto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process of producing polytrimethylene terephthalate (PTT)
Publication number
20020028909
Publication date
Mar 7, 2002
Donald Ross Kelsey
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Optimum dipropylene glycol content polytrimethylene terephthalate c...
Publication number
20020009353
Publication date
Jan 24, 2002
Donald Ross Kelsey
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Process of producing polytrimethylene terephthalate (PTT)
Publication number
20010029289
Publication date
Oct 11, 2001
Donald Ross Kelsey
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...