Patent US2899391A successfully refreshed from Google Patents.
US2899391A
Expired / Lapsed
US
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Corrosion preventive compositions
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
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Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:23
CPC Classifications
C; C10; C10M; C10M129/00; C10M129/02; C10M129/68; C10M129/70; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/286; C10N; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A CORROSION PREVENTING COMPOSITING CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A LIQUID PETROLEUM HYDROCARBON AND A CORROSION INHIBITING AMOUNT OF AN ACETYLENIC ALCOHOL FATTY ACID ESTER SELECTED FROM THE GROUP CONSISTING OF ESTERS OF THE FOLLOWING GENERAL FORMULAE:
Claim 2
Dependent Claim
39 words
A CORROSION PREVENTING COMPOSITING CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A LIQUID PETROLEUM HYDROCARBON AND A CORROSION INHIBITING AMOUNT OF AN ACETYLENIC ALCOHOL FATTY ACID ESTER SELECTED FROM THE GROUP CONSISTING OF ESTERS OF THE FOLLOWING GENERAL FORMULAE:
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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |