Patent US3039991A successfully refreshed from Google Patents.
US3039991A
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US
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Preparation of flame-resistant styrene polymer in the presence of a chlorinated ethylenically unsaturated compound and a brominated ester of phosphoric acid
Assignee: Expanded Rubber Co Ltd
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Filing: 1959-10-28
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Granted: 1962-06-19
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Expires: 1979-10-28
Abstract
No abstract record available.
Inventors
- 👤 Cooper Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:08
CPC Classifications
C; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F257/00; C08F257/02; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; Y; Y10; Y10S; Y10S521/00; Y10S521/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PROCESS FOR THE PRODUCTION OF A FLAME-RESISTANT POLYMERIC MATERIAL, WHICH COMPRISES POLYMERISING IN THE PRESENCE OF A POLYMERISATION CATALYST A LIQUID MIXTURE CONTAINING: (A) A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF MONOMERIC AND PARTIALLY POLYMERISED STYRENE AND METHYL SUBSTITUTED STYRENES AND COPOLYMERS OF STYRENE WITH ACRYLONITRILE AND METHYL METHACRYLATE; (B) A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF MONOMERIC AND PARTIALLY POLYMERISED VINYLIDENE CHLORIDE, MONOMERIC AND PARTIALLY POLYMERISED VINYL CHLORIDE AND CHLOROPRENE; (C) A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF BROMINATED ALKYL AND ARYL ESTERS OF PHOSPHORIC ACID.
Claim 2
Dependent Claim
91 words
A PROCESS FOR THE PRODUCTION OF A FLAME-RESISTANT POLYMERIC MATERIAL, WHICH COMPRISES POLYMERISING IN THE PRESENCE OF A POLYMERISATION CATALYST A LIQUID MIXTURE CONTAINING: (A) A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF MONOMERIC AND PARTIALLY POLYMERISED STYRENE AND METHYL SUBSTITUTED STYRENES AND COPOLYMERS OF STYRENE WITH ACRYLONITRILE AND METHYL METHACRYLATE; (B) A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF MONOMERIC AND PARTIALLY POLYMERISED VINYLIDENE CHLORIDE, MONOMERIC AND PARTIALLY POLYMERISED VINYL CHLORIDE AND CHLOROPRENE; (C) A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF BROMINATED ALKYL AND ARYL ESTERS OF PHOSPHORIC ACID.
References Cited (Backward Citations)
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US2536988A
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US2676927A
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US2717216A
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US2909501A
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FR1168662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |