Patent US1936093A successfully refreshed from Google Patents.
Patent US2914490A successfully refreshed from Google Patents.
US2914490A
Expired / Lapsed
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Resins from epoxidized polymers and polyhydric alcohols
Assignee: Phillips Petroleum Co
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Filing: 1957-12-27
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Granted: 1959-11-24
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Expires: 1977-12-27
Abstract
No abstract record available.
Inventors
- 👤 Charles E Wheelock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:53
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/027; C08G59/18; C08G59/40; C08G59/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A THERMOSETTING RESIN COMPRISING A MIXTURE OF AN EPOXIDIZED LIQUID DIENE POLYMER CONTAINING 0.08 TO 0.8 EXPOXY GROUPS PER ALIPHATIC DOUBLE BOND ORIGINALLY PRESENT IN THE POLYMER AND AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALPHATIC POLYHYDRIC ALCOHOLS CONTAINING FROM 2 TO 20 CARBON ATOMS AND POLYMERS OF COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE AND PROPYLENE OXIDE HAVING A MOLECULAR WEIGHT OF 200 TO 15,000, THE AMOUNT OF SAID ALCOHOL BEING SUFFICIENT TO PROVIDE 0.05 TO 1.5 HYDROXY GROUP PER EPOXY GROUP IN THE EPOXIDIZED LIQUID DIENE POLYMER AND A CATALYST SELECTED FROM THE FROUP CONSISTING OF HYDROCHLORIC ACID, SULFURIC ACID, PHOSPHORIC ACID, BORIC ACID, ALUMINUM CHLORIDE ZINC CHLORIDE, FERRIC CHLORIDE, STANNIC CHLORIDE, TITANIUM TETRACHLORIDE, COBALT CHLORIDE, NICKEL CHLORIDE, BORON TRIFLUORIDE, SODIUM HYDROXIDE, AND POTASSIUM HYDROXIDE SAID CATALYST BEING USED IN AN AMOUNT OF 1 TO 10 PERCENT BASED ONT THE WEIGHT OF SAID EPOXIDIZED POLYMER.
Claim 2
Dependent Claim
150 words
A THERMOSETTING RESIN COMPRISING A MIXTURE OF AN EPOXIDIZED LIQUID DIENE POLYMER CONTAINING 0.08 TO 0.8 EXPOXY GROUPS PER ALIPHATIC DOUBLE BOND ORIGINALLY PRESENT IN THE POLYMER AND AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALPHATIC POLYHYDRIC ALCOHOLS CONTAINING FROM 2 TO 20 CARBON ATOMS AND POLYMERS OF COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE AND PROPYLENE OXIDE HAVING A MOLECULAR WEIGHT OF 200 TO 15,000, THE AMOUNT OF SAID ALCOHOL BEING SUFFICIENT TO PROVIDE 0.05 TO 1.5 HYDROXY GROUP PER EPOXY GROUP IN THE EPOXIDIZED LIQUID DIENE POLYMER AND A CATALYST SELECTED FROM THE FROUP CONSISTING OF HYDROCHLORIC ACID, SULFURIC ACID, PHOSPHORIC ACID, BORIC ACID, ALUMINUM CHLORIDE ZINC CHLORIDE, FERRIC CHLORIDE, STANNIC CHLORIDE, TITANIUM TETRACHLORIDE, COBALT CHLORIDE, NICKEL CHLORIDE, BORON TRIFLUORIDE, SODIUM HYDROXIDE, AND POTASSIUM HYDROXIDE SAID CATALYST BEING USED IN AN AMOUNT OF 1 TO 10 PERCENT BASED ONT THE WEIGHT OF SAID EPOXIDIZED POLYMER.
References Cited (Backward Citations)
US2731444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |