US3087894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil composition having low pour point
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1959-09-02
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Granted: 1963-04-30
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Expires: 1979-09-02
Abstract
No abstract record available.
Inventors
- 👤 Edgar L Mckegney
- 👤 Ilnyckyj Stephan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:00
CPC Classifications
C; C10; C10M; C10M145/00; C10M145/02; C10M149/00; C10M149/02; C10M149/08; F; F17; F17D; F17D1/00; F17D1/02; F17D1/04; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/084; C10M2217/00; C10M2217/02; C10M2217/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN IMPROVED LOW COLD TEST LUBRICATING COMPOSITION FOR ADDITION TO NATURAL GAS BEING TRANSPORTED IN PIPELINES WHICH CONSISTS ESSENTIALLY FROM ABOUT 80 TO 20% BY VOLUME OF A VIRGIN GAS OIL FRACTION SECURED FROM A NON-NAPHTHENIC TYPE CRUDE AND BOILING IN THE RANGE FROM ABOUT 487*F. TO ABOUT 702*F. AND FROM ABOUT 20 TO 80% BY VOLUME OF A LOW COLD TEST OIL SECURED FROM A NAPTHENIC TYPE CRUDE AND BOILING IN THE RANGE FROM ABOUT 570*F. TO ABOUT 693*F. IN COMBINATION WITH FROM ABOUT .001 TO 0.5 WT. PERCENT BASED UPON TOTAL OIL PRESENT OF A COPOLYMER OF ETHYLENE AND VINYL ACETATE, SAID COPOLYMER HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 800 AND 3,000 AND CONTAINING FROM ABOUT 1 TO 40% BY WEIGHT OF VINYL ACETATE.
Claim 2
Dependent Claim
126 words
AN IMPROVED LOW COLD TEST LUBRICATING COMPOSITION FOR ADDITION TO NATURAL GAS BEING TRANSPORTED IN PIPELINES WHICH CONSISTS ESSENTIALLY FROM ABOUT 80 TO 20% BY VOLUME OF A VIRGIN GAS OIL FRACTION SECURED FROM A NON-NAPHTHENIC TYPE CRUDE AND BOILING IN THE RANGE FROM ABOUT 487*F. TO ABOUT 702*F. AND FROM ABOUT 20 TO 80% BY VOLUME OF A LOW COLD TEST OIL SECURED FROM A NAPTHENIC TYPE CRUDE AND BOILING IN THE RANGE FROM ABOUT 570*F. TO ABOUT 693*F. IN COMBINATION WITH FROM ABOUT .001 TO 0.5 WT. PERCENT BASED UPON TOTAL OIL PRESENT OF A COPOLYMER OF ETHYLENE AND VINYL ACETATE, SAID COPOLYMER HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 800 AND 3,000 AND CONTAINING FROM ABOUT 1 TO 40% BY WEIGHT OF VINYL ACETATE.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |