Patent US2764551A successfully refreshed from Google Patents.
US2764551A
Expired / Lapsed
US
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Ashless detergent additive for lubricating oils
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-05-17
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Granted: 1956-09-25
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Expires: 1974-05-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul V Smith
- 👤 Samuel B Lippincott
- 👤 Clifford W Muessig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:56
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/062; C10M2203/00; C10M2203/10; C10M2203/108; C10M2205/00; C10M2205/16; C10M2205/18; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/027; C10M2207/04; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/16; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/32; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2209/10; C10M2209/103; C10M2209/104; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/04; C10M2217/042; C10M2217/043; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2221/00; C10M2221/04; C10M2221/043; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/047; C10M2223/12; C10M2223/121; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22; C10N2040/25; C10N2040/252; C10N2040/253; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/04; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AN OIL-SOLUBLE ESTERIFICATION PRODUCT OBTAINED BY ESTERFYING ABOUT 2 MOLES OF SATURATED DICARBOXYLIC ACID HAVING 2 TO 10 CARBON ATOMS PER MOLECULE WITH ABOUT 1 MOLE OF GLYCOL HAVING 2 TO 10 CARBON ATOMS PER MOLECULE, AND ABOUT 2 MOLES OF MONOHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF (1) AMINO ALCOHOLS HAVING THE FORMULA
Claim 2
Dependent Claim
55 words
AN OIL-SOLUBLE ESTERIFICATION PRODUCT OBTAINED BY ESTERFYING ABOUT 2 MOLES OF SATURATED DICARBOXYLIC ACID HAVING 2 TO 10 CARBON ATOMS PER MOLECULE WITH ABOUT 1 MOLE OF GLYCOL HAVING 2 TO 10 CARBON ATOMS PER MOLECULE, AND ABOUT 2 MOLES OF MONOHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF (1) AMINO ALCOHOLS HAVING THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |