Patent US3071562A successfully refreshed from Google Patents.
US3071562A
Expired / Lapsed
US
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Aliphatic modified epoxide resins
Assignee: Celanese Coatings Co
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Filing: 1958-12-12
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Granted: 1963-01-01
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Expires: 1978-12-12
Abstract
No abstract record available.
Inventors
- 👤 Herbert P Price
- 👤 William J Belanger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:40
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
ALIPHATIC MODIFIED EPOXIDE RESINS WHICH ARE DEHYDROHALOGENATION REACTION PRODUCTS OF A PREVIOUSLY FORMED MIXTURE OF A DI(CHOLOROHYDRIN) ETHER OF A POLYHYDRIC ALCOHOL AND OF A MONOCHLOROHYDRIN ETHER OF A HYDROXY-ALIPHATIC ETHER OFF A DIHYDRIC PHENOL, SAID MONOCHLOROHYDRIN ETHER CONTAINING AN UNREACTED PHENOLIC HYDROXYL GROUP, AND HAVING A COMPOSITION REPRESENTED BY THE FOLLOWING FORMULA: IN WHICH R IS THE AROMATIC NUCLEUS OF A DIHYDRIC PHENOL, R'' IS A DIVALENT RADICAL CONTAINING AT LEAST 2 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC HYDROCARBON GROUPS, HYDROXY-SUBSTITUTED ALIPHATIC HYDROCARBON GROUPS, HYDROCARBON ETHER-SUBSTITUTED ALIPHATIC HYDROCARBON GROUPS, AND HYDROXY-SUBSTITUTED HYDROCARBON ETHERS OF ALIPHATIC HYDROCARBON GROUPS, R" IS A DIVALENT RESIDUE OF A POLYHYDRIC ALCOHOL, M AND N ARE POSITIVE WHOLE NUMBERS EQUAL TO OR GREATER THAN 0, AND M PLUS N EQUALS A WHOLE NUMBER OF AT LEAST 1.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |