Patent US3210280A successfully refreshed from Google Patents.
US3210280A
Expired / Lapsed
US
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Chlorinated sulfurized esters
Assignee: FMC Corp
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Filing: 1961-03-22
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Granted: 1965-10-05
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Expires: 1981-03-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Ernest J Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:26
CPC Classifications
C; C07; C07G; C07G99/00; C07G99/002; C10; C10M; C10M135/00; C10M135/02; C10M135/06; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/04; C10M2207/042; C10M2207/10; C10M2207/16; C10M2219/00; C10M2219/02; C10M2219/024; C10M2221/00; C10M2221/04; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/02; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
THE REACTION PRODUCT PRODUCED BY BUBBLING CHLORINE THROUGH A SULFURIZED DIESTER OF AN ALKENYLSUCCINIC ACID FORMED BY REACTING (A) A DIESTER OF AN ALKENYLSUCCINIC ACID IN WHICH THE ESTER RADICALS AR DERIVED FROM AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALKYL, ALKOXYALKYL, ALICYCLIC, ARALKYL AND ARYL ALCOHOLS AND THE ALKENYL RADICAL CONTAINS AT LEAST 3 CARBON ATOMS WITH (B) ELEMENTAL SULFUR AT A TMEPERATURE ABOVE 200*C. FOR A TIME SUFFICIENT TO PRODUCE A SUBSTANTIAL EVOLUTION OF HYDROGEN SULFIDE WHEREBY SAID SULFURIZED DIESTER CONTAINS 5-30% BY WEIGHT OF CHEMICALLY BOUND SULFUR, SAID REACTION PRODUCT CONTAINING 1-15% BY WEIGHT OF CHEMICALLY BOUND SULFUR AND 5-30% BY WEIGHT OF CHEMICALLY BOUND CHLORINE.
Claim 2
Dependent Claim
110 words
THE REACTION PRODUCT PRODUCED BY BUBBLING CHLORINE THROUGH A SULFURIZED DIESTER OF AN ALKENYLSUCCINIC ACID FORMED BY REACTING (A) A DIESTER OF AN ALKENYLSUCCINIC ACID IN WHICH THE ESTER RADICALS AR DERIVED FROM AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALKYL, ALKOXYALKYL, ALICYCLIC, ARALKYL AND ARYL ALCOHOLS AND THE ALKENYL RADICAL CONTAINS AT LEAST 3 CARBON ATOMS WITH (B) ELEMENTAL SULFUR AT A TMEPERATURE ABOVE 200*C. FOR A TIME SUFFICIENT TO PRODUCE A SUBSTANTIAL EVOLUTION OF HYDROGEN SULFIDE WHEREBY SAID SULFURIZED DIESTER CONTAINS 5-30% BY WEIGHT OF CHEMICALLY BOUND SULFUR, SAID REACTION PRODUCT CONTAINING 1-15% BY WEIGHT OF CHEMICALLY BOUND SULFUR AND 5-30% BY WEIGHT OF CHEMICALLY BOUND CHLORINE.
References Cited (Backward Citations)
US2251932A
Cited
US2279688A
Cited
US2454862A
Cited
US2433853A
Cited
US2496508A
Cited
US2898331A
Cited
US2938870A
Cited
US2969326A
Cited
US2985644A
Cited
US2883317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |