US3297782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition of polyoxyalkylene ether of a 2-alkylidene diphenol esterified with fumaric or maleic acid, and a polyglycidyl ether of a dihydric phenol
Assignee: Avisun Corp
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Filing: 1964-03-03
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Granted: 1967-01-10
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Expires: 1984-03-03
Abstract
No abstract record available.
Inventors
- 👤 Barkis Edward
- 👤 William I Tinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:51
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/06; C09D163/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A COATING COMPOSITION A SOLVENT SOLUTION OF A MIXTURE OF (1) A MAJOR PROPORATION OF A CURABLE POLYESTER RESIN HAVING A MELTING POINT OF AT LEAST 90*C. UP TO ABOUT 120*C. COMPRISING THE ESTERIFICATION PRODUCT OF A POLYOXYALKYLENE ETHER OF A 2-ALKYLIDENE DIPHENOL WHEREIN THE ALKYLENE RADICAL CONTAINS FROM 2 TO 3 CARBON ATOMS AND THE ALKYLIDENE RADICAL HAS FROM 3 TO 4 CARBON ATOMS WITH AN ACID FROM THE GROUP CONSISTING OF FUMARIC AND MALEIC, AND (2) AT LEAST 10% BASED ON THE WEIGHT OF THE MIXTURE OF A CURABLE, LIQUID BISPHENOL-EPICHLOROHYDRIN RESIN.
Claim 2
Dependent Claim
94 words
A COATING COMPOSITION A SOLVENT SOLUTION OF A MIXTURE OF (1) A MAJOR PROPORATION OF A CURABLE POLYESTER RESIN HAVING A MELTING POINT OF AT LEAST 90*C. UP TO ABOUT 120*C. COMPRISING THE ESTERIFICATION PRODUCT OF A POLYOXYALKYLENE ETHER OF A 2-ALKYLIDENE DIPHENOL WHEREIN THE ALKYLENE RADICAL CONTAINS FROM 2 TO 3 CARBON ATOMS AND THE ALKYLIDENE RADICAL HAS FROM 3 TO 4 CARBON ATOMS WITH AN ACID FROM THE GROUP CONSISTING OF FUMARIC AND MALEIC, AND (2) AT LEAST 10% BASED ON THE WEIGHT OF THE MIXTURE OF A CURABLE, LIQUID BISPHENOL-EPICHLOROHYDRIN RESIN.
References Cited (Backward Citations)
US2634251A
Cited
US2961427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |