US2760944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amino-amide-epoxy compositions
Assignee: Celanese Coatings Co
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Filing: 1952-03-17
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Granted: 1956-08-28
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Expires: 1972-03-17
Abstract
No abstract record available.
Inventors
- 👤 Greenlce Sylvan Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:48
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
AMINO- AMIDE EPOXY COMPOSITIONS CONTAINING IN SUBSTANTIAL AMOUNTS COMPLEX RESINOUS EPOXIDES AND AMINO AMIDES, SAID AMINO AMIDES CONTAINING AT LEAST ONE ORGANIC CARBOXYLIC ACID AMIDE CONTAINING AT LEAST ONE ORGANIC GROUP SEPARATED FROM SAID ACID AMIDE GROUP AND ATTACHED TO A DIFFERENT CARBON ATOM AND SAID AMINO AMIDES CONTAINING AT LEAST THREE ACTIVE HYDROGENS PER MOLECULE WHICH ARE DIRECTLY ATTACHED TO NITROGEN AND SAID AMINO-AMIDES BEING FREE FROM REACTIVE GROUPS OTHER THAN AMINE AND AMIDE GROUPS, SAID COMPLEX RESINOUS EPOXIDES BEING POLYMERIC POLYETHERS OF DIHYDRIC PHENOLS, WHICH DIHYDRIC PHENOLS ARE FREE FROM FUNCTIONAL GROUPS OTHER THAN PHENOLIC HYDROCYL GROUPS, SAID RESINOUS EPOXIDES HAVING A PLURALITY OF AROMATIC NUCLEI ALTERNATING WITH INTERMEDIATE AND TERMINAL ALIPHATIC CHAINS UNITED THROUGH ETHER OXYGEN, THE AROMATIC NUCLEI BEING THE HYDROCARBON NUCLEI OF THE DIHYDRIC PHENOLS, THE INTERMEDIATE ALIPHATIC CHAINS BEING ALCOHOLIC-HYDROXYL-CONTAINING CHAINS FREE FROM FUNCTIONAL GROUPS OTHER THAN ALCOHOLIC HYDROXYL GROUPS AND THE TERMINAL ALIPHATIC CHAINS HAVING EPOXIDE AND ALCOHOLIC HYDROXYL GROUPS AND BEING FREE FROM OTHER FUNCTIONAL GROUPS.
Claim 2
Dependent Claim
164 words
AMINO- AMIDE EPOXY COMPOSITIONS CONTAINING IN SUBSTANTIAL AMOUNTS COMPLEX RESINOUS EPOXIDES AND AMINO AMIDES, SAID AMINO AMIDES CONTAINING AT LEAST ONE ORGANIC CARBOXYLIC ACID AMIDE CONTAINING AT LEAST ONE ORGANIC GROUP SEPARATED FROM SAID ACID AMIDE GROUP AND ATTACHED TO A DIFFERENT CARBON ATOM AND SAID AMINO AMIDES CONTAINING AT LEAST THREE ACTIVE HYDROGENS PER MOLECULE WHICH ARE DIRECTLY ATTACHED TO NITROGEN AND SAID AMINO-AMIDES BEING FREE FROM REACTIVE GROUPS OTHER THAN AMINE AND AMIDE GROUPS, SAID COMPLEX RESINOUS EPOXIDES BEING POLYMERIC POLYETHERS OF DIHYDRIC PHENOLS, WHICH DIHYDRIC PHENOLS ARE FREE FROM FUNCTIONAL GROUPS OTHER THAN PHENOLIC HYDROCYL GROUPS, SAID RESINOUS EPOXIDES HAVING A PLURALITY OF AROMATIC NUCLEI ALTERNATING WITH INTERMEDIATE AND TERMINAL ALIPHATIC CHAINS UNITED THROUGH ETHER OXYGEN, THE AROMATIC NUCLEI BEING THE HYDROCARBON NUCLEI OF THE DIHYDRIC PHENOLS, THE INTERMEDIATE ALIPHATIC CHAINS BEING ALCOHOLIC-HYDROXYL-CONTAINING CHAINS FREE FROM FUNCTIONAL GROUPS OTHER THAN ALCOHOLIC HYDROXYL GROUPS AND THE TERMINAL ALIPHATIC CHAINS HAVING EPOXIDE AND ALCOHOLIC HYDROXYL GROUPS AND BEING FREE FROM OTHER FUNCTIONAL GROUPS.
References Cited (Backward Citations)
US2626223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |