US3740356A
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Cellular polymeric material, a process for its preparation and a coating material which contains such polymeric material
Assignee: Alba Fabrica de Pinturas SA
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Filing: 1970-07-30
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Granted: 1973-06-19
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Expires: 1990-07-30
Abstract
Abstract POLYMERIC MATERIAL IN THE FORM OF SMALL CORPUSCLES OR PARTICLES WHICH CONTAIN THEREIN ONE OR A PLURALITY OF CAVITIES. THE POLYMERIC MATERIAL IS USEFUL AS A COMPONENT FOR COATING COMPOSITIONS, PLASTICS, FILMS OR FIBERS. PROCESSES FOR THE PREPARATION OF THE POLYMERIC MATERIAL AS WELL AS THE COMPOSITIONS INCORPORATING SAME.
Inventors
- 👤 P Munoa
- 👤 E Simonin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:28
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; C08J9/00; C08J9/28; C08J9/283; C09; C09D; C09D7/00; C09D7/40; C09D7/42; C08J2333/00; C08J2333/04; C08J2333/06; C08J2333/10; C08J2333/12; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2984; Y10T428/2985; Y10T428/2987
Claims Analysis
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References Cited (Backward Citations)
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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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |