US3244653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions comprising methylol group-containing esters and vicepoxy resins
Assignee: Cook Paint & Varuish Co
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Filing: 1962-11-13
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Granted: 1966-04-05
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Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Howard J Wright
- 👤 Richard D Kincheloe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:39
CPC Classifications
C; C09; C09D; C09D129/00; C09D129/14; C09D161/00; C09D161/04; C09D161/06; C09D161/14; C09D163/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A COMPOSITION COMPRISING A BLEND OF: (1) THE FORMALDEHYDE CONDENSATION PRODUCT OF THE ESTERIFICATION PRODUCT OF 4,4-BIS(4''-HYDROXYPHENYL)PENTANOIC ACID, AT LEAST ONE ETHER-FREE POLYHYDROXY ORGANIC COMPOUND HAVING THE FORMULA R(OH)2 WHERE R IS HYDROCARBON AND N REPRESENTS THE AVERAGE NUMBER OF HYDROXY GROUPS IN SAID COMPOUND, AND AND OIL ACID; (2) A VIC-EPOXY RESIN; (3) METHYLOL PHENOL ETHER OF AN UNSATURATED ALCOHOL; (4) VINYL ACETAL TYPE RESIN; AND (5) AN ACID CROSSLINKING CATALYST.
Claim 2
Dependent Claim
72 words
A COMPOSITION COMPRISING A BLEND OF: (1) THE FORMALDEHYDE CONDENSATION PRODUCT OF THE ESTERIFICATION PRODUCT OF 4,4-BIS(4''-HYDROXYPHENYL)PENTANOIC ACID, AT LEAST ONE ETHER-FREE POLYHYDROXY ORGANIC COMPOUND HAVING THE FORMULA R(OH)2 WHERE R IS HYDROCARBON AND N REPRESENTS THE AVERAGE NUMBER OF HYDROXY GROUPS IN SAID COMPOUND, AND AND OIL ACID; (2) A VIC-EPOXY RESIN; (3) METHYLOL PHENOL ETHER OF AN UNSATURATED ALCOHOL; (4) VINYL ACETAL TYPE RESIN; AND (5) AN ACID CROSSLINKING CATALYST.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |