ETHYL ADDITIVES CORPORATION
Patent Owner
Stats
- 20 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 03, 2001 most recent publication
Details
- 20 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 2,311 Total Citation Count
- Nov 18, 1977 Earliest Filing
- 155 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
6117825 Polyisobutylene succinimide and ethylene-propylene succinimide synergistic additives for lubricating oils compositionsMay 07, 92Sep 12, 00[C10M]
5556923 Continuous process for producing adducted EPM or EPDM oil solutionAug 22, 95Sep 17, 96[C08F, C10M]
5415793 Lubricant additive to prevent camshaft and valve train wear in high performance turbocharged enginesMar 21, 94May 16, 95[C10M]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6255387 Derivatized solid sheared polymer blends and process for their preparationExpiredJan 08, 98Jul 03, 01[C08L]
5942471 Dispersant and antioxidant VI improvers based on olefin copolymers containing phenothiazine and aromatic amine groupsExpiredJul 01, 92Aug 24, 99[C10M]
5614124 Polyisobutylene succinimide, ethylene-propylene succinimide and an alkylated phenothiazine additive for lubricating oil compositionsExpiredJun 07, 95Mar 25, 97[C10M]
5520829 Lubricating oil containing dispersant viscosity index improverExpiredJan 10, 95May 28, 96[C10M]
5516442 Polymeric thioheterocyclic rust and corrosion inhibiting marine diesel engine lubricant additivesExpiredAug 11, 95May 14, 96[C10M, C07D]
5474693 Modifiers for improving clarity of multifunctional VI improver oil compositionsExpiredMar 15, 95Dec 12, 95[C10M]
5472627 Polymeric lubricant additive designed to enhance anti-wear, anti-oxidancy, and dispersancy thereofExpiredNov 29, 94Dec 05, 95[C10M]
5460740 Acylated mono and/or bis-succinimides lubricating oil additivesExpiredJun 22, 94Oct 24, 95[C10M]
5451630 Solid sheared polymer blends and process for their preparationExpiredNov 09, 94Sep 19, 95[C10M]
5445750 Lubricating oil composition containing the reaction product of an alkenylsuccinimide with a bis(hydroxyaromatic) substituted carboxylic acidExpiredSep 03, 93Aug 29, 95[C10M]
5429757 Multifunctional copolymer and lubricating oil compositionExpiredMar 18, 94Jul 04, 95[C10M, C08F]
5356999 Multifunctional viscosity index improvers based on polymers containing sulfonamidesExpiredOct 29, 90Oct 18, 94[C08F, C10L]
5292443 Process for producing neutralized sulfurized alkylphenate lubricant detergent additiveExpiredAug 21, 92Mar 08, 94[C10M]
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