US3278469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymers containing units from a monocarboxylic half ester of an alpha, beta-ethylenically unsaturated, alpha, beta-dicarboxylic acid and coating compositions formulated with these interpolymers
Assignee: Whittaker Corp
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Filing: 1960-12-29
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Granted: 1966-10-11
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Expires: 1980-12-29
Abstract
No abstract record available.
Inventors
- 👤 Pascale Donald Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:17
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08; C08F22/00; C09D135/00; C09D135/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
26 words
AN INTERPOLYMER, AT LEAST TERNARY IN COMPOSITIION, MADE UP ESSENTIALLY OF (A) UNITS FROM STYRENE, (B) UNITS FROM AT LEAST ONE ESTER OF THE GENERAL FORMULA
Claim 2
Dependent Claim
26 words
AN INTERPOLYMER, AT LEAST TERNARY IN COMPOSITIION, MADE UP ESSENTIALLY OF (A) UNITS FROM STYRENE, (B) UNITS FROM AT LEAST ONE ESTER OF THE GENERAL FORMULA
Claim 3
Dependent Claim
79 words
A LIQUID COATING COMPOSITION COMPRISING, AS THE ESSENTIAL ORGANIC FILM-FORMING MATERIAL, A COMPATIBLE MIXTURE OF (1) 30%-95% BY WEIGHT OF AN INTERPOLYMER OF CLAIM 1, AND (2) 70%-5% OF AT LEAST ONE MEMBER OF THE CLASS CONSISTING OF MELAMINE-FORMALDEHYDE-MONOHYDRIC ALCOHOL CONDENSATES, UREA-FORMALDEHYDE-MONOHYDRIC ALCOHOL CONDENSATES, BENZOGUANAMINE-FORMALDEHYDE-MONOHYDRIC ALCOHOL CONDENSATES, AN EPOXY HYDROXY POLYETHER RESIN, AN EPOXY HYDROXY POLYETHER RESIN ESTERIFIED IN PART WITH A FATTY ACID, AND EPOXIDIZED VEGETABLE OILS; SAID FILM-FORMING MATERIAL BEING IN SOLUTION IN VOLATILE ORGANIC SOLVENT THEREFOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |