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Robert Stephen Tomaskovic
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Houston, TX, US
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Patents Grants
last 30 patents
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
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
Method for removal of metal alkoxide compounds from liquid hydrocarbon
Patent number
5,866,750
Issue date
Feb 2, 1999
Union Carbide Chemicals & Plastics Technology Corporation
Robert Stephen Tomaskovic
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Secondary alkyl sulfate/zeolite-containing surfactant compositions
Patent number
5,427,717
Issue date
Jun 27, 1995
Shell Oil Company
David K. Schisla
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of secondary alkyl sulfate-containing s...
Patent number
5,349,101
Issue date
Sep 20, 1994
Shell Oil Company
Eugene F. Lutz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Distillation separation process of titanium tetrachloride and haloh...
Patent number
5,242,549
Issue date
Sep 7, 1993
Shell Oil Company
Michael W. Potter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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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
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-...