US2932576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold coating composition
Assignee: Sinclair Refining Co
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Filing: 1957-12-27
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Granted: 1960-04-12
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Expires: 1977-12-27
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Vierk
- 👤 Jr Charles A Mazzoui
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:18
CPC Classifications
C; C03; C03B; C03B40/00; C03B40/02; B; B28; B28B; B28B7/00; B28B7/38; B28B7/384
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
AN EMULSIFIABLE OIL COMPOSITION CONSISTING ESSENTIALLY ABOUT 1 TO 40 PERCENT BY WEIGHT OF GRAPHITE ELECTRICALLY SUSPENDED IN A NEUTRAL PETROLEUM OIL, ABOUT 1 TO 15 PERCENT BY WEIGHT OF A NON-IONIC SURFACE ACTIVE POLYOXYALKYLENE DERIVATIVE OF HEXITOL ANHYDRIDE PARTIAL LONG CHAIN FATTY ACID ESTER CONTAINING ABOUT 2 TO 25 MOLS OF ETHYLENE OXIDE PER MOL OF ESTER, ABOUT 0.1 TO 2 PERCENT BY WEIGHT OF A NON-IONIC SURFACE ACTIVE LONG CHAIN FATTY ACID PARTIAL ESTER OF HEXITOL ANHYDRIDE, ABOUT 0.1 TO 5 PERCENT BY WEIGHT OF A NON-IONIC SURFACE ACTIVE FATTY ACID ESTER OF POLYETHYLENE GLYCOL WHEREIN THE FATTY ACID PORTION OF EACH OF SAID ESTERS CONTAINS ABOUT 12 TO 18 CARBON ATOMS PER MOLECULE, WITH SUBSTANTIALLY THE REMAINDER BEING A PETROLEUM OIL OF LUBRICATING VISCOSITY.
Claim 2
Dependent Claim
127 words
AN EMULSIFIABLE OIL COMPOSITION CONSISTING ESSENTIALLY ABOUT 1 TO 40 PERCENT BY WEIGHT OF GRAPHITE ELECTRICALLY SUSPENDED IN A NEUTRAL PETROLEUM OIL, ABOUT 1 TO 15 PERCENT BY WEIGHT OF A NON-IONIC SURFACE ACTIVE POLYOXYALKYLENE DERIVATIVE OF HEXITOL ANHYDRIDE PARTIAL LONG CHAIN FATTY ACID ESTER CONTAINING ABOUT 2 TO 25 MOLS OF ETHYLENE OXIDE PER MOL OF ESTER, ABOUT 0.1 TO 2 PERCENT BY WEIGHT OF A NON-IONIC SURFACE ACTIVE LONG CHAIN FATTY ACID PARTIAL ESTER OF HEXITOL ANHYDRIDE, ABOUT 0.1 TO 5 PERCENT BY WEIGHT OF A NON-IONIC SURFACE ACTIVE FATTY ACID ESTER OF POLYETHYLENE GLYCOL WHEREIN THE FATTY ACID PORTION OF EACH OF SAID ESTERS CONTAINS ABOUT 12 TO 18 CARBON ATOMS PER MOLECULE, WITH SUBSTANTIALLY THE REMAINDER BEING A PETROLEUM OIL OF LUBRICATING VISCOSITY.
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) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |