US2695848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rust-preventive compositions
Assignee: TIDE WATER ASSOCIATED OIL Co
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Filing: 1950-05-25
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Granted: 1954-11-30
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Expires: 1970-05-25
Abstract
No abstract record available.
Inventors
- 👤 John W Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:32
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/16; C23F11/163; C10; C10M; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A SUBSTANTIALLY NON-AQUEOUS COMPOSITION, ADAPTED FOR INHIBITING RUSTING OF METAL SURFACES, COMPRISING A MAJOR AMOUNT BY WEIGHT BASED ON SAID COMPOSITION OF A SUBSTANTIALLY NON-CORROSIVE VEHICLE AND A SMALL AMOUNT, SUFFICIENT TO IMPART RUST-PREVENTIVE CHARACTERISTICS TO SAID COMPOSITION, OF A RUST-INHIBITING ALKYLOL-CONTAINING AMINE HAVING AN ALKYLOL GROUP ESTERIFIED WITH A SULFONIC ACID.
Claim 2
Dependent Claim
52 words
A SUBSTANTIALLY NON-AQUEOUS COMPOSITION, ADAPTED FOR INHIBITING RUSTING OF METAL SURFACES, COMPRISING A MAJOR AMOUNT BY WEIGHT BASED ON SAID COMPOSITION OF A SUBSTANTIALLY NON-CORROSIVE VEHICLE AND A SMALL AMOUNT, SUFFICIENT TO IMPART RUST-PREVENTIVE CHARACTERISTICS TO SAID COMPOSITION, OF A RUST-INHIBITING ALKYLOL-CONTAINING AMINE HAVING AN ALKYLOL GROUP ESTERIFIED WITH A SULFONIC ACID.
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) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |