US3655828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing a polymer composition having improved gloss and color
Assignee: Cities Service Co
•
Filing: 1970-06-01
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Granted: 1972-04-11
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Expires: 1990-06-01
Abstract
Abstract A COMPOSITION CONPRISING A GRAFT COPOLYMER RESIN AND THE TETRAALKALI METAL SALT OF ETHYLENEDIAMINETETRAACETIC ACID IS CHARACTERIZED BY IMPROVED COLOR AND GLOSS CHARACTERISTICS.
Inventors
- 👤 George L Rushton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:33
CPC Classifications
C; C08; C08F; C08F279/00; C08F279/02; C08F279/04
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) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |