US2785089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion prevention
Assignee: Texaco Inc
•
Filing: 1954-03-23
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Granted: 1957-03-12
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Expires: 1974-03-23
Abstract
No abstract record available.
Inventors
- 👤 Albert C Lanteri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:14
CPC Classifications
C; C23; C23F; C23F15/00; Y; Y10; Y10S; Y10S220/00; Y10S220/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A METHOD OF INHIBITING THE CORROSION OF A FERROUS METAL BODY WHICH COMPRISES APPLYING TO AND MAINTAINING ON THE SURFACE OF SUCH BODY A FLUENT COATING COMPOSITION COMPRISING AN INTIMATE MIXTURE OF TALL OIL, PETROLEUM RESIDUMM FROM STRAIGHT RUN DISTILLING A NAPHTHENE BASE CRUDE OIL, SAID RESIDUUM HAVING A SAYBOLT-FUROL VISCOSITY OF 40-55 SECONDS AT 210%F., AND SUFFICIENT PETROLEUM OIL OF LOWER VISCOSITY THAN SAID RESIDUUM TO CUT BACK SAID RESIDUUM AND FORM A COMPOSITION HAVING A SAYBOLT-FUROL VISCOSITY IN THE RANGE OF ABOUT 25 TO 50 SECONDS AT 122*F., SAID TALL OIL BEING PRESENT IN AN AMOUNT BETWEEN ABOUT 1 AND 5% OF SAID COMPOSITION.
Claim 2
Independent Claim
106 words
A METHOD OF INHIBITING THE CORROSION OF A FERROUS METAL BODY WHICH COMPRISES APPLYING TO AND MAINTAINING ON THE SURFACE OF SUCH BODY A FLUENT COATING COMPOSITION COMPRISING AN INTIMATE MIXTURE OF TALL OIL, PETROLEUM RESIDUMM FROM STRAIGHT RUN DISTILLING A NAPHTHENE BASE CRUDE OIL, SAID RESIDUUM HAVING A SAYBOLT-FUROL VISCOSITY OF 40-55 SECONDS AT 210%F., AND SUFFICIENT PETROLEUM OIL OF LOWER VISCOSITY THAN SAID RESIDUUM TO CUT BACK SAID RESIDUUM AND FORM A COMPOSITION HAVING A SAYBOLT-FUROL VISCOSITY IN THE RANGE OF ABOUT 25 TO 50 SECONDS AT 122*F., SAID TALL OIL BEING PRESENT IN AN AMOUNT BETWEEN ABOUT 1 AND 5% OF SAID COMPOSITION.
References Cited (Backward Citations)
US1850700A
Cited
US2286244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |