US3671293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting acrylic enamel containing minor amounts of cellulose acetate butyrate
Assignee: EIDP Inc
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Filing: 1971-01-08
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Granted: 1972-06-20
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Expires: 1991-01-08
Abstract
Abstract A THERMOSETTING ENAMEL COATING COMPOSITION IN WHICH THE FILM-FORMING MATERIAL IS A BLEND OF THE FOLLOWING POLYMERS: (1) AN ACRYLIC POLYMER OF 0-6% BY WEIGHT OF AN A,BETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID, AN ACRYLIC ESTER OF AN ALKYL METHACRYLATE OR AN ALKYL ACRYLATE, OR A COMBINATION THEREOF, 0-50% BY WEIGHT OF STYRENE AND A HYDROXYLAKYL METHACRYLATE OR A HYDROXYALKYL ACRYLATE; (2) A MINOR AMOUNT OF CELULOSE ACETATE BUTYRATE; AND (3) A THERMOSETTING NITROGEN CONTAINING RESIN.
Inventors
- 👤 Leonard A Walle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:16
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/14; B05D7/16; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/31645; Y10T428/31678; Y10T428/31688; Y10T428/31692; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |