US3036903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibition
Assignee: Texaco Inc
•
Filing: 1959-12-17
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Granted: 1962-05-29
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Expires: 1979-12-17
Abstract
No abstract record available.
Inventors
- 👤 George B Kirkwood
- 👤 John H Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:49
CPC Classifications
C; C10; C10M; C10M129/00; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/1805; C10M159/00; C10M159/02; C10M159/04; C10M2203/00; C10N; C10N2030/00; C10N2030/12; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A METHOD OF PROTECTING AGAINST CORROSION OF A METAL BODY ADAPTED TO CONTAIN A PETROLEUM LIQUID COMPRISING INCORPORATING IN SAID LIQUID A REFILNED PETROLEUM LUBRICATING OIL LIQUID OXIDATE CHARACTERIZED BY A NEUT. NO. BETWEEN ABOUT 55 AND 80, A SAP. NO. BETWEEN ABOUT 100 AND 200, AN UNSAPONIFIABLE CONTENT LESS THAN ABOUT 55 WT. PERCENT, A POUR POINT LESS THAN 30*F., A VISCOSITY LESS THAN 200 SUS AT 210*F. AND A LOVIBOND 1/2" CELL COLOR RATING OF LESS THAN 200 IN AN AMOUNT BETWEEN 1 AND 50 LBS. OF OXIDATE PER THOUSAND BBLS. OF SAID LIQUID AND CONTACTING SAID METAL BODY WITH THE RESULTANT SOLUTION.
Claim 2
Independent Claim
105 words
A METHOD OF PROTECTING AGAINST CORROSION OF A METAL BODY ADAPTED TO CONTAIN A PETROLEUM LIQUID COMPRISING INCORPORATING IN SAID LIQUID A REFILNED PETROLEUM LUBRICATING OIL LIQUID OXIDATE CHARACTERIZED BY A NEUT. NO. BETWEEN ABOUT 55 AND 80, A SAP. NO. BETWEEN ABOUT 100 AND 200, AN UNSAPONIFIABLE CONTENT LESS THAN ABOUT 55 WT. PERCENT, A POUR POINT LESS THAN 30*F., A VISCOSITY LESS THAN 200 SUS AT 210*F. AND A LOVIBOND 1/2" CELL COLOR RATING OF LESS THAN 200 IN AN AMOUNT BETWEEN 1 AND 50 LBS. OF OXIDATE PER THOUSAND BBLS. OF SAID LIQUID AND CONTACTING SAID METAL BODY WITH THE RESULTANT SOLUTION.
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |