US2910462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing non-corrosive sulfurized terpenes and compositions containing the same
Assignee: Standard Oil Co
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Filing: 1957-02-27
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Granted: 1959-10-27
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Expires: 1977-02-27
Abstract
No abstract record available.
Inventors
- 👤 Albert R Sabol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:10
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/02; C10M135/04; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2219/00; C10M2219/02; C10M2219/022; C10M2223/00; C10M2223/12; C10M2223/121; C10M2225/00; C10M2225/04; C10M2225/041
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
89 words
THE METHOD COMPRISING TREATING A SULFURIZED TERPENE, NORMALLY CORROSIVE TO SILVER, WITH FROM ABOUT 20% TO ABOUT 30% OF AN ALKANE MONOBASIC CARBOXYLIC ACID, CONTAINING FROM 1 TO ABOUT 4 CARBON ATOMS IN THE ALKYL GROUP AT A TEMPERATURE OF FROM ABOUT 32*F. TO ABOUT 40*F. FOR A PERIOD OF FROM ABOUT 32*F. TO ABOUT AND WASHING THE COOLED REACTION MIXTURE WITH A DILUTE ALKANE ALCOHOL SOLUTION TO REMOVE THE ALKANE MONOBASIC CARBOXYLIC ACID, AND HEATING THE WASHED PRODUCT AT A TEMPERATURE OF FROM ABOUT 212*F. TO ABOUT 220*F.
Claim 2
Independent Claim
89 words
THE METHOD COMPRISING TREATING A SULFURIZED TERPENE, NORMALLY CORROSIVE TO SILVER, WITH FROM ABOUT 20% TO ABOUT 30% OF AN ALKANE MONOBASIC CARBOXYLIC ACID, CONTAINING FROM 1 TO ABOUT 4 CARBON ATOMS IN THE ALKYL GROUP AT A TEMPERATURE OF FROM ABOUT 32*F. TO ABOUT 40*F. FOR A PERIOD OF FROM ABOUT 32*F. TO ABOUT AND WASHING THE COOLED REACTION MIXTURE WITH A DILUTE ALKANE ALCOHOL SOLUTION TO REMOVE THE ALKANE MONOBASIC CARBOXYLIC ACID, AND HEATING THE WASHED PRODUCT AT A TEMPERATURE OF FROM ABOUT 212*F. TO ABOUT 220*F.
Claim 3
Dependent Claim
14 words
THE SULFURIZED TERPENE SUBSTANTIALLY NON-CORROSIVE TO SILVER, OBTAINED BY THE METHOD OF CLAIM 1.
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) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |