US3826766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-extinguishing polymer compositions containing brominated aryl butanes
Assignee: Beazer East Inc
•
Filing: 1972-10-10
•
Granted: 1974-07-30
•
Expires: 1992-10-10
Abstract
Abstract POLYMERIC COMPOSITIONSSS ARE RENDERED SELF-EXTINGUISING BY INCORPORATING THEREIN FROM 0.1 TO 15% BY WEIGHT OF A BROMO-COMPOUND SELECTED FROM 1,2,3,4-TETRABROMO-1,4DIPHENYLBUTANE AND P-PHENYLENE-1,1''-BIS(1,2,3,4-TETRABROMO-4-PHENYLBUTANE).
Inventors
- 👤 H Howell
- 👤 W Kutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/02; C08K5/03; C08J; C08J9/00; C08J9/16; C08J9/22; Y; Y10; Y10S; Y10S260/00; Y10S260/24; Y10S521/00; Y10S521/907
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) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |