US3432450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Use of brominated salicylanilide as a fire retardant for polymeric materials
Assignee: Berk Ltd
•
Filing: 1967-04-25
•
Granted: 1969-03-11
•
Expires: 1987-04-25
Abstract
No abstract record available.
Inventors
- 👤 Zvi Enrico Jolles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:23
CPC Classifications
C; C08; C08K; C08K13/00; C08K13/02; C08K5/00; C08K5/16; C08K5/20; Y; Y10; Y10S; Y10S521/00; Y10S521/906; Y10S521/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2990394A
Cited
US3271333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |