Patent US3565974A successfully refreshed from Google Patents.
US3565974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross-linking method of chlorinated polyethylenic rubbery copolymers
Assignee: Resonac Holdings Corp
•
Filing: 1967-10-13
•
Granted: 1971-02-23
•
Expires: 1987-10-13
Abstract
Abstract METHOD OF CROSS-LINKING CHLORINATED POYETHYLENE WHICH COMPRISES COPOLYMERIZING FROM 80 TO 99 PARTS BY WEIGHT OF CHLORINATED POLYETHYLENE AND FROM 20 TO 1 PART BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE AND A MIXTURE OF ACRYLONITRILE AND STYRENE TO PROVIDE A RUBBERY COPOLYMER AND HEATING SAID RUBBERY COPOLYMER WITH THE ADDITION OF A CROSS-LINKING AGENT IN THE PRESENCE OR ABSENCE OF AN ACCELERATOR.
Inventors
- 👤 Tohru Ohnuma
- 👤 Hideomi Higuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:04
CPC Classifications
C; C08; C08F; C08F255/00; C08F255/02; C08F255/023
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |