Patent US2744069A successfully refreshed from Google Patents.
US2744069A
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Compounded lubricating compositions
Assignee: Shell Development Co
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Filing: 1953-04-22
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Granted: 1956-05-01
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Expires: 1973-04-22
Abstract
No abstract record available.
Inventors
- 👤 Mintje Van Loon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:18
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C10M159/22; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/028; C10M2207/26; C10M2207/262; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/101; C10M2215/00; C10M2215/02; C10M2215/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/047; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/08; C10N2040/25; C10N2040/252; C10N2040/253; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
A PROCESS FOR PREPAIRING LUBRICATING OIL ADDITIVES WHICH COMPRISES REACTING A MIXTURE CONTAINING UNSUBSTITUTED ALKALI METAL ALKYL PHENATES OF FROM 14 TO 32 CARBON ATOMS AND UNSUBSTITUTED ALKALI METAL ALKYL SALICYLATES OF FROM 15 TO 33 CARBON ATOMS, WHEREIN THE WEIGHT RATIO OF THE PHENATES TO THE SALICYLATES IS FROM 1:4 TO 1:1, WITH A HALIDE OF A METAL OF GROUP II OF THE PERIODIC TABLE OF ELEMENTS HAVING AN ATOMIC NUMBER FROM 12 TO 56 IN A MONOHYDRIC WATER-MISCIBLE ALIPHATIC ALCOHOL OF FROM 1 TO 5 CARBON ATOMS AND CONTAINING WATER FROM 1 TO 10% BY WEIGHT OF SAID ALCOHOL, SAID HALIDE BEING PRESENT IN THE QUANTITY FROM 100 TO 130% OF THAT WHICH IS STOICHIOMETRICALLY EQUIVALENT TO THE TOTAL ALKALI METAL CONTENT OF SAID MIXTURE OF PHENATES AND SALICYLATES, AND WITH AN OXIDE OF A METAL OF GROUP II OF THE PERIODIC TABLE OF ELEMENTS HAVING AN ATOMIC NUMBER FROM 12 TO 56 IN A MONOHYDRIC WATER-MISCIBLE ALIPHATIC ALCOHOL OF FROM 1 TO 5 CARBON ATOMS AND CONTAINING WATER FROM 1 TO 20% BY WEIGHT OF SAID ALCOHOL, SAID OXIDE BEING PRESENT IN A QUANTITY FROM 90 TO 150% OF THAT STOICHIOMETRICALLY REQUIRED FOR THE FORMATION OF THE MONO-BASIC SALTS OF SAID SALICYLATES AND SAID GROUP II METAL.
Claim 2
Dependent Claim
210 words
A PROCESS FOR PREPAIRING LUBRICATING OIL ADDITIVES WHICH COMPRISES REACTING A MIXTURE CONTAINING UNSUBSTITUTED ALKALI METAL ALKYL PHENATES OF FROM 14 TO 32 CARBON ATOMS AND UNSUBSTITUTED ALKALI METAL ALKYL SALICYLATES OF FROM 15 TO 33 CARBON ATOMS, WHEREIN THE WEIGHT RATIO OF THE PHENATES TO THE SALICYLATES IS FROM 1:4 TO 1:1, WITH A HALIDE OF A METAL OF GROUP II OF THE PERIODIC TABLE OF ELEMENTS HAVING AN ATOMIC NUMBER FROM 12 TO 56 IN A MONOHYDRIC WATER-MISCIBLE ALIPHATIC ALCOHOL OF FROM 1 TO 5 CARBON ATOMS AND CONTAINING WATER FROM 1 TO 10% BY WEIGHT OF SAID ALCOHOL, SAID HALIDE BEING PRESENT IN THE QUANTITY FROM 100 TO 130% OF THAT WHICH IS STOICHIOMETRICALLY EQUIVALENT TO THE TOTAL ALKALI METAL CONTENT OF SAID MIXTURE OF PHENATES AND SALICYLATES, AND WITH AN OXIDE OF A METAL OF GROUP II OF THE PERIODIC TABLE OF ELEMENTS HAVING AN ATOMIC NUMBER FROM 12 TO 56 IN A MONOHYDRIC WATER-MISCIBLE ALIPHATIC ALCOHOL OF FROM 1 TO 5 CARBON ATOMS AND CONTAINING WATER FROM 1 TO 20% BY WEIGHT OF SAID ALCOHOL, SAID OXIDE BEING PRESENT IN A QUANTITY FROM 90 TO 150% OF THAT STOICHIOMETRICALLY REQUIRED FOR THE FORMATION OF THE MONO-BASIC SALTS OF SAID SALICYLATES AND SAID GROUP II METAL.
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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) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |