ETHYL ADDITIVES CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C10M LUBRICATING COMPOSITIONS 1633
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3122
 
  
 
C07D HETEROCYCLIC COMPOUNDS 2160
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114

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]
5792732 Lubricants with linear alkaryl overbased detergentsMay 22, 97Aug 11, 98[C10M]
5556923 Continuous process for producing adducted EPM or EPDM oil solutionAug 22, 95Sep 17, 96[C08F, C10M]
5552491 Star-branched acrylate and methacrylate polymersMay 31, 95Sep 03, 96[C08F]
5451636 Solid sheared polymer blends and process for their preparationNov 09, 94Sep 19, 95[C08L]
5440000 Dispersant/antioxidant VII lubricant additiveJul 18, 94Aug 08, 95[C08F]
5415793 Lubricant additive to prevent camshaft and valve train wear in high performance turbocharged enginesMar 21, 94May 16, 95[C10M]
5414090 Lubricant ashless antiwear-antioxidant additiveNov 02, 93May 09, 95[C10M, C07D]
5391617 Solid sheared polymer blends and process for their preparationAug 02, 93Feb 21, 95[C08L]
5370803 Efficient method of producing lubricant detergent additivesSep 03, 93Dec 06, 94[C10M]

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Expired/Abandoned/Withdrawn Patents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]
5578235 Overbased calcium sulfonateExpiredOct 05, 94Nov 26, 96[C10M]
5559265 Ashless antioxidant lubricating oil additiveExpiredJun 07, 95Sep 24, 96[C07F]
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]
5512190 Lubricating oil composition providing anti-wear protectionExpiredAug 22, 94Apr 30, 96[C10M]
5474693 Modifiers for improving clarity of multifunctional VI improver oil compositionsExpiredMar 15, 95Dec 12, 95[C10M]
5474694 Lubricating oil compositionExpiredSep 21, 92Dec 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]
5405544 Ashless antiwear-antioxidant lubricating oil additiveExpiredAug 02, 93Apr 11, 95[C10M]
5374364 Multifunction viscosity index improversExpiredSep 03, 93Dec 20, 94[C10M]
5356999 Multifunctional viscosity index improvers based on polymers containing sulfonamidesExpiredOct 29, 90Oct 18, 94[C08F, C10L]
5332514 Continuous process for preparing overbased saltsExpiredAug 06, 90Jul 26, 94[C10M]
5292443 Process for producing neutralized sulfurized alkylphenate lubricant detergent additiveExpiredAug 21, 92Mar 08, 94[C10M]

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