US3210326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self extinguishing alkenyl aromatic polymeric compositions containing bromophenyl acrylates and dibromopropyl acrylates as flame-proofing agents
Assignee: Dow Chemical Co
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Filing: 1961-11-02
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Granted: 1965-10-05
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Expires: 1981-11-02
Abstract
No abstract record available.
Inventors
- 👤 William F Tousignant
- 👤 Max E Elder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/02; C08K5/03; C08F; C08F12/00; C08F12/02; C08F12/04; C08F2/00; C08F2/44; C08F20/00; C08F20/02; C08F20/10; C08F20/22; C08F20/62; C08F212/00; C08F212/02; C08F212/04; C08F246/00; C08K5/04; C08K5/07; C08K5/08; C08K5/49; C08K5/51; C08K5/52; C08K5/521; Y; Y10; Y10S; Y10S521/00; Y10S521/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A NON-FLAMMABLE THERMOPLASTIC POLYMERIC COMPOSITION COMPRISING IN CHEMICALLY COMBINED FORM (1) AT LEAST 50 PERCENT BY WEIGHT OF AT LEAST ONE ALKENYL AROMATIC COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
28 words
A NON-FLAMMABLE THERMOPLASTIC POLYMERIC COMPOSITION COMPRISING IN CHEMICALLY COMBINED FORM (1) AT LEAST 50 PERCENT BY WEIGHT OF AT LEAST ONE ALKENYL AROMATIC COMPOUND HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |