US3352826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Increased heat distortion ethoxyline resins
Assignee: Celanese Coatings Co
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Filing: 1958-06-23
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Granted: 1967-11-14
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Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 Wayne F Mcwhorter
- 👤 John E Kuhn
- 👤 Harold C Klassen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:46
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/524; C08K5/526; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/72; C08K5/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A COMPOSITION OF MATTER WHICH WHEN HEAT CURED YIELDS A PRODUCT HAVING A HIGH HEAT DISTORTION VALUE COMPRISING (A) A GLYCIDYL POLYETHER OF A POLYHYDRIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF A POLYHYDRIC PHENOLS AND POLYHYDRIC ALCOHOLS, SAID GLYCIDYL POLYETHER HAVING AN EPOXY EQUIVALENCY GREATER THAN 1, (B) FROM 0.5 TO 10 WEIGHT PERCENT BASED ON THE GLYCIDYL POLYETHER OF A BF3-ORGANIC BASE COMPLEX, SAID BF3 COMPLEX BEING AN ADDITION PRODUCT OF BORON TRIFLUORIDE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC AND ALIPHATIC AMINES, AMIDES, ETHERS AND PHENOLS, HAVING ONLY HYDROCARBON SUBSTITUENTS IN ADDITION TO THEIR AMINO, AMIDO, ETHER AND PHENOLIC HYDROXYL GROUPS, AND (C) 1 TO 3 WEIGHT PERCENT BASED ON THE GLYCIDYL POLYETHER OF A TRIARYL PHOSPHITE FREE OF OTHER REACTIVE GROUPS.
Claim 2
Dependent Claim
128 words
A COMPOSITION OF MATTER WHICH WHEN HEAT CURED YIELDS A PRODUCT HAVING A HIGH HEAT DISTORTION VALUE COMPRISING (A) A GLYCIDYL POLYETHER OF A POLYHYDRIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF A POLYHYDRIC PHENOLS AND POLYHYDRIC ALCOHOLS, SAID GLYCIDYL POLYETHER HAVING AN EPOXY EQUIVALENCY GREATER THAN 1, (B) FROM 0.5 TO 10 WEIGHT PERCENT BASED ON THE GLYCIDYL POLYETHER OF A BF3-ORGANIC BASE COMPLEX, SAID BF3 COMPLEX BEING AN ADDITION PRODUCT OF BORON TRIFLUORIDE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC AND ALIPHATIC AMINES, AMIDES, ETHERS AND PHENOLS, HAVING ONLY HYDROCARBON SUBSTITUENTS IN ADDITION TO THEIR AMINO, AMIDO, ETHER AND PHENOLIC HYDROXYL GROUPS, AND (C) 1 TO 3 WEIGHT PERCENT BASED ON THE GLYCIDYL POLYETHER OF A TRIARYL PHOSPHITE FREE OF OTHER REACTIVE GROUPS.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |