US2687397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin-forming compositions containing amine salts of sulfonic acids
Assignee: Shell Development Co
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Filing: 1951-09-21
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Granted: 1954-08-24
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Expires: 1971-09-21
Abstract
No abstract record available.
Inventors
- 👤 Dannenberg Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:29
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/687; C08G59/40; C08G59/4007; C08G59/4064; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A COMPOSITION ADAPTED TO CURE TO A HARD RESINOUS PRODUCT UPON BEING HEATED TO A TEMPERATURE ABOVE ABOUT 100* C. WHICH COMPRISES A MIXTURE OF GLYCIDYL POLYETHER OF A POLYHYDRIC PHENOL HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN 1.0 AND A CONVERTIBLE UREA-FORMALDEHYDE CONDENSATE IN ADMIXTURE WITH A SMALL AMOUNT OF A NEUTRAL SALT OF AN AMINE AND A SULFONIC ACID, SAID AMINE BEING A MEMBER OF THE GROUP CONSISTING OF MORPHOLINE, TRIETHYLAMINE, PYRIDINE, ANILINE DIISOPROPHYLAMINE, DIETHYLAMINE AND CETYLDIMETHYLAMINE.
Claim 2
Dependent Claim
78 words
A COMPOSITION ADAPTED TO CURE TO A HARD RESINOUS PRODUCT UPON BEING HEATED TO A TEMPERATURE ABOVE ABOUT 100* C. WHICH COMPRISES A MIXTURE OF GLYCIDYL POLYETHER OF A POLYHYDRIC PHENOL HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN 1.0 AND A CONVERTIBLE UREA-FORMALDEHYDE CONDENSATE IN ADMIXTURE WITH A SMALL AMOUNT OF A NEUTRAL SALT OF AN AMINE AND A SULFONIC ACID, SAID AMINE BEING A MEMBER OF THE GROUP CONSISTING OF MORPHOLINE, TRIETHYLAMINE, PYRIDINE, ANILINE DIISOPROPHYLAMINE, DIETHYLAMINE AND CETYLDIMETHYLAMINE.
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) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |