DSM COPOLYMER, INC.
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 22, 2004 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 701 Total Citation Count
- Oct 01, 1979 Earliest Filing
- 59 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5162086 Dispersant additive and lubricating oil composition containing sameMay 22, 91Nov 10, 92[C10M]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6753381 Polymer blends and their application as viscosity index improversExpiredMar 15, 02Jun 22, 04[C10L, C08L]
6127481 Branched polyolefin polymers as additives in fuel and lubricating oil compositionsExpiredJul 12, 96Oct 03, 00[C08G]
5942471 Dispersant and antioxidant VI improvers based on olefin copolymers containing phenothiazine and aromatic amine groupsExpiredJul 01, 92Aug 24, 99[C10M]
5728911 Process for the preparation of low molecular weight copolymers of ethylene with at least one other 1-alkeneExpiredNov 27, 95Mar 17, 98[C07C]
5652191 Palladium catalyst systems for selective hydrogenation of dienesExpiredSep 14, 95Jul 29, 97[B01J]
5534171 Process for making a polymeric lubricant additive designed to enhance anti-wear, anti-oxidancy, and dispersancy thereofExpiredJun 06, 95Jul 09, 96[C10M]
5520829 Lubricating oil containing dispersant viscosity index improverExpiredJan 10, 95May 28, 96[C10M]
5475121 Palladium catalyst systems for selective hydrogenation of dienesExpiredSep 22, 94Dec 12, 95[C07F]
5472627 Polymeric lubricant additive designed to enhance anti-wear, anti-oxidancy, and dispersancy thereofExpiredNov 29, 94Dec 05, 95[C10M]
5429757 Multifunctional copolymer and lubricating oil compositionExpiredMar 18, 94Jul 04, 95[C10M, C08F]
5430163 Palladium catalyst systems for selective hydrogenation of dienesExpiredApr 02, 93Jul 04, 95[C07F]
5424366 Multifunctional viscosity index improver containing phenothiazineExpiredJun 01, 94Jun 13, 95[C08F, C10M]
Top Inventors for This Owner
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