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US3294500A Expired / Lapsed US ⏱️ 0.0 years remaining

Fuel for internal combustion engines

Assignee: Bayer AG
•
Filing: 1962-01-25
•
Granted: 1966-12-27
•
Expires: 1982-01-25
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Abstract

No abstract record available.

Inventors

  • 👤 Zimmermann Max
  • 👤 Muller Werner
  • 👤 Hagge Walter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 16:28
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/04; C10L1/00; C10L1/10; C10L1/14; C10M; C10M141/00; C10M141/10; C10L1/18; C10L1/19; C10L1/1905; C10L1/26; C10L1/2608; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/284; C10M2207/285; C10M2207/34; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/24; C10M2215/26; C10M2223/00; C10M2223/06; C10M2223/065; C10N; C10N2040/00; C10N2040/25; C10N2040/255; C10N2040/26; C10N2070/00; C10N2070/02; F; F02; F02B; F02B3/00; F02B3/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 103 words
A COMPOSITION OF MATTER CONTAINING A LIQUID FUEL FOR INTERNAL COMBUSTION ENGINES AND AN ACTIVE AMOUNT OF ADDITIVE MIXTURE, SAID MIXTURE CONSISTING ESSENTIALLY OF (1) A NEUTRAL ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF PHTHALIC ACID, ISOPHTHALIC ACID, TEREPHTHALIC ACID, DIPHENYL DICARBOXYLIC ACID AND CORRESPONDING HALODIPHENYL DICARBOXYLIC ACIDS, HEXAHYDROPHTHALIC ACID, ALKYLNAPHTHALENE DICARBOXYLIC ACID, ADIPHIC ACID, PIMELIC ACID, SUBERIC ACID, AZELAIC ACID, SEBACIC ACID, NONE DICARBOXYLIC ACID, DECANE DICARBOXYLIC ACID, THE CORRESPONDING HALO AND ALKYL HYDROCARBON SUBSTITUTION PRODUCTS THEREOF WITH MEMBERS SELECTED FROM THE GROUP CONSISTING OF AN ALKANOL AND CYCLOALKANOL, AND (2) A NEUTRAL PHOSPHONIC ACID ESTER OF THE FORMULA
Claim 2
Dependent Claim 103 words
A COMPOSITION OF MATTER CONTAINING A LIQUID FUEL FOR INTERNAL COMBUSTION ENGINES AND AN ACTIVE AMOUNT OF ADDITIVE MIXTURE, SAID MIXTURE CONSISTING ESSENTIALLY OF (1) A NEUTRAL ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF PHTHALIC ACID, ISOPHTHALIC ACID, TEREPHTHALIC ACID, DIPHENYL DICARBOXYLIC ACID AND CORRESPONDING HALODIPHENYL DICARBOXYLIC ACIDS, HEXAHYDROPHTHALIC ACID, ALKYLNAPHTHALENE DICARBOXYLIC ACID, ADIPHIC ACID, PIMELIC ACID, SUBERIC ACID, AZELAIC ACID, SEBACIC ACID, NONE DICARBOXYLIC ACID, DECANE DICARBOXYLIC ACID, THE CORRESPONDING HALO AND ALKYL HYDROCARBON SUBSTITUTION PRODUCTS THEREOF WITH MEMBERS SELECTED FROM THE GROUP CONSISTING OF AN ALKANOL AND CYCLOALKANOL, AND (2) A NEUTRAL PHOSPHONIC ACID ESTER OF THE FORMULA

References Cited (Backward Citations)

CA575281A Cited
US2215590A Cited
US2174019A Cited
US2204598A Cited
US2481372A Cited
US2485341A Cited
US2573568A Cited
GB709471A Cited
US2897071A Cited
US2843466A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-26 1970-06-27 1970-12-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-26 1974-06-27 1974-12-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-26 1978-06-27 1978-12-27 $7700.00 Window Closed / Lapsed

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