US3086870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition and method
Assignee: Sinclair Refining Co
•
Filing: 1959-09-28
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Granted: 1963-04-23
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Expires: 1979-09-28
Abstract
No abstract record available.
Inventors
- 👤 David B Sheldahl
- 👤 Entwistle George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:07
CPC Classifications
C; C09; C09G; C09G1/00; C09G1/06; C09G1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A WATER-IN-OIL EMULSION CONSISTING ESSENTIALLY OF 50-80% WATER, 10-30% LOW-BOILING PETROLEUM HYDROCARBONS, 1-6% PETROLEUM WAX HAVING A MELTING POINT OF 125-140*F., AND 2.0 TO 6.5% OF A MIXTURE CONTAINING 4 TO 6% OF A SULFONATE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM MAHOGANY SULFONATE AND SODIUM MAHOGANY SULFONATE, 5-50% OF A SORBITAN MONO-FATTY ACID ESTER AND THE REST A HIGH-BOILING PETROLEUM HYDROCARBON.
Claim 2
Dependent Claim
62 words
A WATER-IN-OIL EMULSION CONSISTING ESSENTIALLY OF 50-80% WATER, 10-30% LOW-BOILING PETROLEUM HYDROCARBONS, 1-6% PETROLEUM WAX HAVING A MELTING POINT OF 125-140*F., AND 2.0 TO 6.5% OF A MIXTURE CONTAINING 4 TO 6% OF A SULFONATE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM MAHOGANY SULFONATE AND SODIUM MAHOGANY SULFONATE, 5-50% OF A SORBITAN MONO-FATTY ACID ESTER AND THE REST A HIGH-BOILING PETROLEUM HYDROCARBON.
References Cited (Backward Citations)
US2598949A
Cited
US2560202A
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US2716611A
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US2724654A
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US2791510A
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US2911309A
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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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |