Patent US3294500A successfully refreshed from Google Patents.
US3294500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel for internal combustion engines
Assignee: Bayer AG
•
Filing: 1962-01-25
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Granted: 1966-12-27
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Expires: 1982-01-25
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 16:43
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
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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 |