US3672889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylate terpolymer resin binders for photoelectrostatic members
Assignee: AB Dick Co
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Filing: 1969-07-14
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Granted: 1972-06-27
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Expires: 1989-07-14
Abstract
Abstract A POLYMERIC RESIN BINDER FOR ZINC OXIDE WHICH IS A TERPOLYMER FORMED OF ETHYL ACRYLATE OR ETHYL METHACRYLATE, A VINYL-ARYL COMPOUND SUCH AS STYRENE AND AN ACRYLATE HAVING AMINO, HYDROXY, OR ACID FUNCTIONAL GROUPS, A TYPICAL TERPOLYMER IS ETHYL ACYLATE-STYRENE-HYDROXYETHYL METHACRYLATE COMBINED IN THE WEIGHT RATIO OF 69:23:8.
Inventors
- 👤 Evan S Baltazzi
- 👤 Robert G Blanchette
- 👤 Ralph L Minnis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:37
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/05; G03G5/0528; G03G5/0532; G03G5/0546; Y; Y10; Y10S; Y10S526/00; Y10S526/934
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) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |