US3297658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame resistant polymer compositions
Assignee: Dow Chemical Co
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Filing: 1965-06-25
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Granted: 1967-01-10
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Expires: 1985-06-25
Abstract
No abstract record available.
Inventors
- 👤 Lee Lieng-Huang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:30
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/20; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08L33/12; C08L33/14; C08L33/16; C08L51/00; C08L51/003; C08L2666/00; C08L2666/02; C08L2666/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
37 words
A NON-FLAMMABLE THERMOPLASTIC POLYMERIC COMPOSITION CONSISTING ESSENTIALLY OF AN ESSENTIALLY LINEAR INTERPOLYMER PREPARED BY THE INTERPOLYMERIZATION BY FREE RADICAL MEANS OF ABOUT 60 PARTS STYRENE, ABOUT 28 PARTS OF ACRYLONTRILE AND ABOUT 12 PARTS OF DI-(-2BROMOETHYL) ITACONATE.
Claim 2
Dependent Claim
37 words
A NON-FLAMMABLE THERMOPLASTIC POLYMERIC COMPOSITION CONSISTING ESSENTIALLY OF AN ESSENTIALLY LINEAR INTERPOLYMER PREPARED BY THE INTERPOLYMERIZATION BY FREE RADICAL MEANS OF ABOUT 60 PARTS STYRENE, ABOUT 28 PARTS OF ACRYLONTRILE AND ABOUT 12 PARTS OF DI-(-2BROMOETHYL) ITACONATE.
Claim 3
Dependent Claim
37 words
A NON-FLAMMABLE THERMOPLASTIC POLYMRIC COMPOSITION CONSISTING ESSENTIALLY OF AN ESSENTIALLY LINEAR INTERPOLYMER PREPARED BY THE INTERPOLYMERIZATION BY FREE RADICAL MEANS OF ABOUT 30 PARTS STYRENE, ABOUT 58 PARTS METHYL METHACRYLATE AND ABOUT 12 PARTS OF DI-(2-BROMOETHYL) ITACONATE.
Claim 4
Dependent Claim
37 words
A NON-FLAMMABLE THERMOPLASTIC POLYMRIC COMPOSITION CONSISTING ESSENTIALLY OF AN ESSENTIALLY LINEAR INTERPOLYMER PREPARED BY THE INTERPOLYMERIZATION BY FREE RADICAL MEANS OF ABOUT 30 PARTS STYRENE, ABOUT 58 PARTS METHYL METHACRYLATE AND ABOUT 12 PARTS OF DI-(2-BROMOETHYL) ITACONATE.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |