US3554954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing copolymer latexes
Assignee: Hexion Inc
•
Filing: 1967-10-16
•
Granted: 1971-01-12
•
Expires: 1987-10-16
Abstract
Abstract THIS INVENTION RELATES TO A PROCESS FOR PREPARING COPOLYMER LATEXES WHEREIN A MONOMERIC VINYL HALIDE AND AN ACRYLATE ESTER ARE COPOLYMERIZED. THE ACRYLATE ESTER AND THE VINYL HALIDE ARE EACH ADDED TO THE REACTION VESSEL IN A SPACED MANNER AND AT PREDETERMINED INTERVALS. HEAT IS SUPPLIED DURING REACTION.
Inventors
- 👤 Constantine Rosis
- 👤 Milton Kline
- 👤 Jack Dickstein
- 👤 Harry C Wechsler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:59
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F14/00; C08F14/02; C08F14/04; C08F14/06; Y; Y10; Y10S; Y10S526/00; Y10S526/91
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |