US3745192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low molecular weight halogen-containing copolymers
Assignee: Bayer AG
•
Filing: 1970-03-11
•
Granted: 1973-07-10
•
Expires: 1990-03-11
Abstract
Abstract COPOLYMERS WITH A MOLECULAR WEIGHT OF FROM 300 TO 3,000, A CHLORINE CONTENT AND/OR BROMINE CONTENT OF FROM 40 TO 80% BY WEIGHT AND AN OH NUMBER OF FROM 20 TO 200 AND PROCESS OF PRODUCING THE SAME.
Inventors
- 👤 F Wingler
- 👤 H Bartl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:12
CPC Classifications
C; C08; C08F; C08F214/00; C08F10/00
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) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |