US2913407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile lubricants
Assignee: Shell Development Co
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Filing: 1957-07-29
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Granted: 1959-11-17
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Expires: 1977-07-29
Abstract
No abstract record available.
Inventors
- 👤 Knapel F Schiermeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:19
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/224; D06M13/152; D06M7/00; D06M2200/00; D06M2200/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A TEXTILE LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF MINERAL OIL CONTAINING FROM ABOUT 0.25% TO ABOUT 3% EACH OF (1) AN OIL-SOLUBLE ALKALI METAL PETROLEUM SULFONATE, (2) A PARTIAL ESTER OF A SIMPLE ALKANEPOLYOL AND A FATTY ACID HAVING FROM 12 TO 18 CARBON ATOMS, (3) A MIXTURE OF (A) AN ESTER OF A MONOHYDROC ALIPHATIC ALCOHOL HAVING FROM 2 TO 8 CARBON ATOMS ATOMS AND A FATTY ACID HAVING FROM 1 TO 5 CARBON ATOMS AND (B) A MONOHYDRIC ALIPHATIC ALCOHOL HAVING FROM 2 TO 8 CARBON ATOMS PORTION (A) ABEING 60-90% AND PORTION (B) BEING 10-30% OF MIXTURE (3) AND (4) AN ALKYL PHENOL.
Claim 2
Dependent Claim
109 words
A TEXTILE LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF MINERAL OIL CONTAINING FROM ABOUT 0.25% TO ABOUT 3% EACH OF (1) AN OIL-SOLUBLE ALKALI METAL PETROLEUM SULFONATE, (2) A PARTIAL ESTER OF A SIMPLE ALKANEPOLYOL AND A FATTY ACID HAVING FROM 12 TO 18 CARBON ATOMS, (3) A MIXTURE OF (A) AN ESTER OF A MONOHYDROC ALIPHATIC ALCOHOL HAVING FROM 2 TO 8 CARBON ATOMS ATOMS AND A FATTY ACID HAVING FROM 1 TO 5 CARBON ATOMS AND (B) A MONOHYDRIC ALIPHATIC ALCOHOL HAVING FROM 2 TO 8 CARBON ATOMS PORTION (A) ABEING 60-90% AND PORTION (B) BEING 10-30% OF MIXTURE (3) AND (4) AN ALKYL PHENOL.
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) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |