Harry Chafetz — 21 Patents at Chevron

Harry Chafetz has been granted 21 US patents while listed as an inventor at Chevron. The first was granted in 1981 and the most recent in August 1995. Harry Chafetz ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Harry Chafetz in Poughkeepsie, NY, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5445750	Lubricating oil composition containing the reaction product of an alkenylsuccinimide with a bis(hydroxyaromatic) substituted carboxylic acid	Christopher S. Liu, Brian L. Papke, Thomas A. Kennedy	1995-08-29	$11,045,000
5093513	Process for oxycarbonylation of lower alkanols	Robert A. Sawicki	1992-03-03	$7,141,000
4948524	Dispersant anti-oxidant VI improver and lubricating oil composition containing same	Maria M. Kapuscinski, Theodore E. Nalesnik, Robert T. Biggs, Christopher S. Liu	1990-08-14	$21,932,000
4900705	Novel ligand catalyst systems formed by reaction of carbonyl compounds with organosilicon compounds	Robert A. Sawicki	1990-02-13	$17,105,000
4689422	Novel ligand catalyst systems formed by reaction of carbonyl compounds with organosilicon compounds	Robert A. Sawicki	1987-08-25	$29,490,000
4532058	Spirolactone condensation product dispersants and lubricants containing same	—	1985-07-30	$11,238,000
4428848	Molybdenum derivatives and lubricants containing same	Stephen A. Levine, Raymond C. Schlicht, James R. Whiteman	1984-01-31	$11,630,000
4396399	Detergent and corrosion inhibitor and motor fuel composition containing same	Benjamin J. Kaufman	1983-08-02	$7,705,000
4382007	Novel dispersant-VI improvers and lubricating oil containing same	Richard F. Love, James O. Waldbillig	1983-05-03	$42,235,000
4339336	Quaternary ammonium succinimide salt composition and lubricating oil containing same	Kenneth G. Hammond	1982-07-13	$6,813,000
4338206	Quaternary ammonium succinimide salt composition and lubricating oil containing same	Kenneth G. Hammond	1982-07-06	$3,993,000
4326973	Quaternary ammonium succinimide salt composition and lubricating oil containing same	Kenneth G. Hammond	1982-04-27	$4,314,000
4325876	Process for the manufacture of an alkenylsuccinic anhydride	Gary D. Lee	1982-04-20	$7,655,000
4324672	Dispersant alkenylsuccinimides containing oxy-reduced molybdenum and lubricants containing same	Stephen A. Levine, Raymond C. Schlicht	1982-04-13	$3,943,000
4315826	Reaction products of carbon disulfide with thiomolybdenum derivatives of alkenylsuccinimides and lubricants containing same	Raymond C. Schlicht, Stephen A. Levine	1982-02-16	$11,380,000
4306070	Method for preparing quaternary ammonium salt of ester-lactone	Kenneth G. Hammond	1981-12-15	$11,086,000
4273663	Quaternary ammonium diester salt composition and lubricating oil containing same	Kenneth G. Hammond	1981-06-16	$7,712,000
4253980	Quaternary ammonium salt of ester-lactone and hydrocarbon oil containing same	Kenneth G. Hammond	1981-03-03	$22,961,000
4251380	Quaternary ammonium diester salt composition and hydrocarbon oil containing same	Kenneth G. Hammond	1981-02-17	$8,209,000
4248719	Quaternary ammonium salts and lubricating oil containing said salts as dispersants	Gary D. Lee	1981-02-03	$25,797,000
4244828	Lubricating oil composition	John W. Hodge	1981-01-13	$22,997,000

Harry Chafetz — 21 Patents

Issued Patents All Time

Patent Widget