Patent US3287273A successfully refreshed from Google Patents.
US3287273A
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Lubricity additive-hydrogenated dicarboxylic acid and a glycol
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1965-09-09
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Granted: 1966-11-22
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Expires: 1985-09-09
Abstract
No abstract record available.
Inventors
- 👤 Michael J Furey
- 👤 John K Appeldoorn
- 👤 Albin F Turbak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:53
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/19; C10L1/191
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
70 words
A NEW COMPOSITION OF MATTER, SUITABLE FOR ADDITION TO A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON LIQUIDS AND SYNTHETIC ESTER LUBRICANTS, WHICH COMPRISES AN ESTER, FORMED BY REACTING AN OIL-INSOLUBLE GLYCOL HAVING BETWEEN ABOUT 2 AND ABOUT 8 CARBON ATOMS PER MOLECULE WITH A HYDROGENATED DIMER OF A C12 TO C18 UNSATURATED MONOCARBOXYLIC ACID, SAID ESTER BEING SELECTED FROM THE GROUP CONSISTING OF MONOMERIC ESTERS HAVING THE FORMULAE:
Claim 2
Dependent Claim
70 words
A NEW COMPOSITION OF MATTER, SUITABLE FOR ADDITION TO A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON LIQUIDS AND SYNTHETIC ESTER LUBRICANTS, WHICH COMPRISES AN ESTER, FORMED BY REACTING AN OIL-INSOLUBLE GLYCOL HAVING BETWEEN ABOUT 2 AND ABOUT 8 CARBON ATOMS PER MOLECULE WITH A HYDROGENATED DIMER OF A C12 TO C18 UNSATURATED MONOCARBOXYLIC ACID, SAID ESTER BEING SELECTED FROM THE GROUP CONSISTING OF MONOMERIC ESTERS HAVING THE FORMULAE:
Claim 3
Dependent Claim
33 words
A COMPOSITION OF MATTER COMPRISING A MAJOR AMOUNT OF A LIQUID SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON LIQUIDS AND SYNTHETIC ESTER LUBRICANTS, AND A MINOR AMOUNT OF THE COMPOSITION OF CLAIM 1.
References Cited (Backward Citations)
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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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |