US2703784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibitors and compositions containing the same
Assignee: Standard Oil Co
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Filing: 1952-10-31
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Granted: 1955-03-08
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Expires: 1972-10-31
Abstract
No abstract record available.
Inventors
- 👤 Ellis K Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:26
CPC Classifications
C; C07; C07D; C07D285/00; C07D285/01; C07D285/02; C07D285/04; C07D285/12; C07D285/125; C10; C10M; C10M135/00; C10M135/32; C10M135/36; C10M2201/00; C10M2201/04; C10M2201/043; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/12; C10M2223/121; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A NEW COMPOSITION OF MATTER, THE REACTION PRODUCT OF AN ALDEHYDE, A MERCAPTAN SELECTED FROM THE CLASS CONSISTING OF AN ALIPHATIC MERCAPTAN AND AN AROMATIC MERCAPTAN AND 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE, SAID REACTION PRODUCT HAVING CORROSION INHIBITING PROPERTIES AND BEING SUITABLE FOR ADDITION TO OILS TO IMPART CORROSION INHIBITING CHARACTERISTICS THERETO, SAID ALDEHYDE, MERCAPTAN AND 2,5-DIMERCAPTO-2,3,4-THIADIAZOLE BEING REACTED IN THE MOLAR RATIO OF FROM ABOUT 2:2:1, RESPECTIVELY, TO ABOUT 10:2:9, RESPECTIVELY.
Claim 2
Dependent Claim
68 words
A NEW COMPOSITION OF MATTER, THE REACTION PRODUCT OF AN ALDEHYDE, A MERCAPTAN SELECTED FROM THE CLASS CONSISTING OF AN ALIPHATIC MERCAPTAN AND AN AROMATIC MERCAPTAN AND 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE, SAID REACTION PRODUCT HAVING CORROSION INHIBITING PROPERTIES AND BEING SUITABLE FOR ADDITION TO OILS TO IMPART CORROSION INHIBITING CHARACTERISTICS THERETO, SAID ALDEHYDE, MERCAPTAN AND 2,5-DIMERCAPTO-2,3,4-THIADIAZOLE BEING REACTED IN THE MOLAR RATIO OF FROM ABOUT 2:2:1, RESPECTIVELY, TO ABOUT 10:2:9, RESPECTIVELY.
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) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |