US2765289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibitors and compositions containing the same
Assignee: Standard Oil Co
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Filing: 1953-04-29
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Granted: 1956-10-02
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Expires: 1973-04-29
Abstract
No abstract record available.
Inventors
- 👤 Ellis K Fields
- 👤 Roger W Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:10
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/32; C10M135/36; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10N; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
86 words
A NEW COMPOSITION OF MATTER, THE REACTION PRODUCT OF AN AROMATIC NITROGEN COMPOUND SELECTED FROM THE CLASS CONSISTING OF A THIODIARYLAMINE AND A DIARYLAMINE, AN ALDEHYDE HAVING FROM 1 TO ABOUT 24 CARBON ATOMS AND 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE, SAID REACTION PRODUCT HAVING ANTI-OXIDANT AND CORROSION INHIBITING PROPERTIES AND BEING SUITABLE FOR ADDITION TO OILS TO IMPART OXIDATION AND CORROSION INHIBITING CHARACTERISTICS THERETO, SAID REACTANTS BEING REACTED IN THE MOLAR PORPORTIONS OF FROM ABOUT 1:1:1 TO 4:4:1, RESPECTIVELY, AT A TEMPERATURE OF FROM 25* C. TO ABOUT 100* C.
Claim 2
Dependent Claim
86 words
A NEW COMPOSITION OF MATTER, THE REACTION PRODUCT OF AN AROMATIC NITROGEN COMPOUND SELECTED FROM THE CLASS CONSISTING OF A THIODIARYLAMINE AND A DIARYLAMINE, AN ALDEHYDE HAVING FROM 1 TO ABOUT 24 CARBON ATOMS AND 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE, SAID REACTION PRODUCT HAVING ANTI-OXIDANT AND CORROSION INHIBITING PROPERTIES AND BEING SUITABLE FOR ADDITION TO OILS TO IMPART OXIDATION AND CORROSION INHIBITING CHARACTERISTICS THERETO, SAID REACTANTS BEING REACTED IN THE MOLAR PORPORTIONS OF FROM ABOUT 1:1:1 TO 4:4:1, RESPECTIVELY, AT A TEMPERATURE OF FROM 25* C. TO ABOUT 100* C.
Claim 3
Dependent Claim
76 words
A COMPOSITION COMPRISING A MAJOR PROPORTION OF AN OLEAGINOUS COMPOUND AND FROM ABOUT 0.02% TO ABOUT 10% OF AN OIL-SOLUBLE REACTION PRODUCT OF AN AROMATIC NITROGEN COMPOUND SELECTED FROM THE CLASS CONSISTING OF A THIODIARYLAMINE AND A DIARYLAMINE, AN ALDEHYDE HAVING FROM 1 TO ABOUT 24 CARBON ATOMS, AND 2,5-DIMERCAPTO1,3,4-THIADIAZOLE, SAID REACTANTS BEING REACTED IN THE MOLAR PROPORTIONS OF FROM ABOUT 1:1:1 TO 4:4:1, RESPECTIVELY, AT A TEMPERATURE OF FROM 25* C. TO ABOUT 100* C.
Claim 4
Dependent Claim
76 words
A COMPOSITION COMPRISING A MAJOR PROPORTION OF AN OLEAGINOUS COMPOUND AND FROM ABOUT 0.02% TO ABOUT 10% OF AN OIL-SOLUBLE REACTION PRODUCT OF AN AROMATIC NITROGEN COMPOUND SELECTED FROM THE CLASS CONSISTING OF A THIODIARYLAMINE AND A DIARYLAMINE, AN ALDEHYDE HAVING FROM 1 TO ABOUT 24 CARBON ATOMS, AND 2,5-DIMERCAPTO1,3,4-THIADIAZOLE, SAID REACTANTS BEING REACTED IN THE MOLAR PROPORTIONS OF FROM ABOUT 1:1:1 TO 4:4:1, RESPECTIVELY, AT A TEMPERATURE OF FROM 25* C. TO ABOUT 100* C.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |