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US3839210A Expired / Lapsed US ⏱️ 0.0 years remaining

Antioxidant composition comprising a synergistic mixture of a phenol, amine and sulfone

Assignee: ISP Investments LLC
•
Filing: 1971-12-01
•
Granted: 1974-10-01
•
Expires: 1991-12-01
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Abstract

Abstract An antioxidant composition comprising a mixture of an oil soluble phenol, an oil soluble amine and a long chain alkylthioethyl sulfone compound and oxidizable organic materials, particularly petroleum oil containing such antioxidant composition.

Inventors

  • 👤 J Beiswanger
  • 👤 A Nassry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 04:01
CPC Classifications
C; C10; C10M; C10M141/00; C10M141/08; C09; C09K; C09K15/00; C09K15/04; C09K15/28; C10L; C10L1/00; C10L1/10; C10L1/14; C10M129/00; C10M129/02; C10M129/04; C10M129/10; C10M133/00; C10M133/02; C10M133/04; C10M133/12; C10M135/00; C10M135/20; C10M135/22; C10L1/18; C10L1/182; C10L1/183; C10L1/185; C10L1/1852; C10L1/1855; C10L1/22; C10L1/222; C10L1/24; C10L1/2431; C10L1/2443; C10L1/2456; C10M2203/00; C10M2203/06; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/025; C10M2207/026; C10M2207/027; C10M2207/04; C10M2207/046; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/107; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/067; C10M2215/068; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/223; C10M2215/224; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/04; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/087; C10M2219/088; C10M2219/089; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2010/00; C10N2010/02; C10N2010/08; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2050/00; C10N2050/10

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 104 words
AN ANTIOXIDANT COMPOSITION CONSISTING ESSENTIALLY OF A PHENOLIC ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF O-, M-, AND P-CRESOL, 2,4-DI-T-BUTYLPHENOL, 4'',4''-BIS(2,6-DI-TBUTYLPHENOL), 4'',4''-METHYLENE BIS(2,6-DI-T-BUTYLPHENOL), CATECHOL, RESORCINOL, HYDROQUINONE, 2,6-DI-T-BUTYL-4METHOXYPHENOL, 4'',4''-METHYLENE BIS(6-T-BUTYL-O-CRESOL), 4,4-THIOBIS-(6-T-BUTYL-O-CRESOL), QUINIZARIN, 2-N-DODECYL QUINIZARIN AND NAPHTHOL, AND AMINE SELECTED FROM THE GROUP CONSISTING OF N-PHENYL-A-NAPHTHYLAMINE, N-PHENYL-BNAPHTHYLAMINE, AND 4'',4''-DICOTYL-DIPHENYL AMINE, AND A SULFONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF BIS-B-T-DODECYLTHIONETHYL SULFONE, B-T-BUTYLTHIOETHYLSUFONE, B-N-DODECYLTHIOETHYL-N-DODECYL SULFONE, B-T-DODECYLTHIO-B''-TOCTYLTHIODIETHYL SULFONE, B-N-OCTADECYLTHIOETHYL-N-OCTADECYL SULFONE, B-T-DODECYLTHIOETHYL-T-DODECYL SULFONE, B-CYCLOHEXYLTHIOETHYL CYCLOHEXYL SULFONE, BIS-B-B-DODECYLTHIOETHYL SULFONE, BIS-B-T-OCTYLTHIOETHYL SULFONE, BIS-B-N-HEXADECYLTHIOETHYL SULFONE, BIS-B-T-BUTYLTHIOETHYL-T-BUTYL SULFONE AND BIS-B-T-OCTYLTHIOETHYL SULFONE WHEREIN THE RATIO OF PHENOLIC ANTIOXIDANT TO SULFONE TO AMINE COMPOUND LIES WITHIN THE RANGE OF 1 - 100:1 - 100.
Claim 2
Dependent Claim 104 words
AN ANTIOXIDANT COMPOSITION CONSISTING ESSENTIALLY OF A PHENOLIC ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF O-, M-, AND P-CRESOL, 2,4-DI-T-BUTYLPHENOL, 4'',4''-BIS(2,6-DI-TBUTYLPHENOL), 4'',4''-METHYLENE BIS(2,6-DI-T-BUTYLPHENOL), CATECHOL, RESORCINOL, HYDROQUINONE, 2,6-DI-T-BUTYL-4METHOXYPHENOL, 4'',4''-METHYLENE BIS(6-T-BUTYL-O-CRESOL), 4,4-THIOBIS-(6-T-BUTYL-O-CRESOL), QUINIZARIN, 2-N-DODECYL QUINIZARIN AND NAPHTHOL, AND AMINE SELECTED FROM THE GROUP CONSISTING OF N-PHENYL-A-NAPHTHYLAMINE, N-PHENYL-BNAPHTHYLAMINE, AND 4'',4''-DICOTYL-DIPHENYL AMINE, AND A SULFONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF BIS-B-T-DODECYLTHIONETHYL SULFONE, B-T-BUTYLTHIOETHYLSUFONE, B-N-DODECYLTHIOETHYL-N-DODECYL SULFONE, B-T-DODECYLTHIO-B''-TOCTYLTHIODIETHYL SULFONE, B-N-OCTADECYLTHIOETHYL-N-OCTADECYL SULFONE, B-T-DODECYLTHIOETHYL-T-DODECYL SULFONE, B-CYCLOHEXYLTHIOETHYL CYCLOHEXYL SULFONE, BIS-B-B-DODECYLTHIOETHYL SULFONE, BIS-B-T-OCTYLTHIOETHYL SULFONE, BIS-B-N-HEXADECYLTHIOETHYL SULFONE, BIS-B-T-BUTYLTHIOETHYL-T-BUTYL SULFONE AND BIS-B-T-OCTYLTHIOETHYL SULFONE WHEREIN THE RATIO OF PHENOLIC ANTIOXIDANT TO SULFONE TO AMINE COMPOUND LIES WITHIN THE RANGE OF 1 - 100:1 - 100.
Claim 3
Dependent Claim 44 words
An antioxidant composition according to claim 1 consisting essentially of a phenol antioxidant, an amine and a sulfone compound wherein the ratio of phenolic antioxidant to sulfone to amine compound lies within the range of 1 - 20: 1 - 10: 1 - 2.
Claim 4
Dependent Claim 19 words
An antioxidant composition according to claim 1 consisting essentially of 2,6 di-t-butyl-phenol, N-phenyl- Alpha -naphthylamine and bis- Beta -t-dodecylthioethylsulfone.
Claim 5
Dependent Claim 17 words
An antioxidant composition according to claim 1 consisting essentially of 2,6 di-t-butylphenol, 4,4''-dioctyldiphenylamine and bis- Beta -t-dodecylthioethylsulfone.
Claim 6
Dependent Claim 17 words
An antioxidant composition according to claim 1 consisting essentially of 2,6 di-t-butyl-p-cresol, dioctyldiphenylamine and bis- Beta -t-dodecylthioethylsulfone.
Claim 7
Dependent Claim 81 words
An organic hydrocarbon material susceptible to oxidative deterioration selected from the group consisting of hydraulic fluids, automotive transmission fluids, transformer oils, turbine oils, metal working oils, gear oils, lubricating oils, petroleum waxes, greases, gasoline, diesel fuel, glass annealing oils, natural fats and oils, hydrogenated fats and oils, soaps derived from monocarboxylic acids and polybasic acids, and polyalkylene glycol lubricants protected against such deterioration by the inclusion therein of a small antioxidant quantity of an antioxidant composition as defined in claim 1.
Claim 8
Dependent Claim 14 words
The composition of claim 6 wherein the organic hydrocarbon material is a lubricating oil.
Claim 9
Dependent Claim 14 words
The composition of claim 6 wherein the organic hydrocarbon material is a hydraulic fluid.
Claim 10
Dependent Claim 14 words
The composition of claim 6 wherein the organic hydrocarbon material is a liquid fuel.

References Cited (Backward Citations)

US2225533A Cited
US2687378A Cited
US2809164A Cited
US3173871A Cited
US3250713A Cited
US3407140A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-09-30 1978-04-01 1978-10-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-09-30 1982-04-01 1982-10-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-09-30 1986-04-01 1986-10-01 $7700.00 Window Closed / Lapsed

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