US3269962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-extinguishing polymer composition containing a halide and a hydrazone
Assignee: Dow Chemical Co
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Filing: 1963-04-01
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Granted: 1966-08-30
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Eichhorn Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:07
CPC Classifications
C; C07; C07C; C07C251/00; C07C251/72; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/76; C07D277/80; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C08K5/32; C08K5/33; C08K5/36; C08K5/37; C08K5/375; C08L; C08L25/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
89 words
A SELF-EXTINGUISHING POLYMER SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS AND COPOLYMERS OF STYRENE, $-METHYLSTYRENE, ETHYL STYRENE, ISOPROPYL STYRENE, TERT.BUTYL STYRENE, VINYL TOLUENE, VINYL XYLENE AND CHLOROSTYRENE AND SUCH HOMOPOLYMERS AND COPOLYMERS CONTAINING ABOUT 2 TO 20 WEIGHT PERCENT OF AN ELASTOMER SELECTED FROM THE GROUP CONSISTING OF POLYBUTADIENE, POLYSIOPRENE, AND BUTANDIENE-STYRENE COPOLYMERS, CONTAINING A HALIDE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM BROMIDE, ORGANIC CHLORIDES AND ORGANIC BROMIDES TOGETHER WITH ABOUT 0.5 TO 3 PARTS PER HUNDRED PARTS OF SAID POLYMER OF A HYDRAZONE HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
89 words
A SELF-EXTINGUISHING POLYMER SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS AND COPOLYMERS OF STYRENE, $-METHYLSTYRENE, ETHYL STYRENE, ISOPROPYL STYRENE, TERT.BUTYL STYRENE, VINYL TOLUENE, VINYL XYLENE AND CHLOROSTYRENE AND SUCH HOMOPOLYMERS AND COPOLYMERS CONTAINING ABOUT 2 TO 20 WEIGHT PERCENT OF AN ELASTOMER SELECTED FROM THE GROUP CONSISTING OF POLYBUTADIENE, POLYSIOPRENE, AND BUTANDIENE-STYRENE COPOLYMERS, CONTAINING A HALIDE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM BROMIDE, ORGANIC CHLORIDES AND ORGANIC BROMIDES TOGETHER WITH ABOUT 0.5 TO 3 PARTS PER HUNDRED PARTS OF SAID POLYMER OF A HYDRAZONE HAVING THE GENERAL FORMULA:
Claim 3
Independent Claim
108 words
A METHOD FOR PRODUCING A FOAMABLE SELF-EXTINGUISHING ALKENYL AROMATIC RESIN COMPRISING: DISPERSING GRANULES OF RESIN SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS AND COPOLYMERS OF STYRENE A-METHYLSTRENE, ETHYL STYRENE, ISOPROPYL STYRENE TERT-BUTYL STYRENE, VINYL TOLUENE, VINYL XYLENE AND CHLOROSTYRENE AND SUCH HOMOPOLYMERS AND COPOLYMERS CONTAINING ABOUT 2 TO 20 WEIGHT PERCENT OF AN ELASTOMER SELECTED FROM THE GROUP CONSISTING OF POLYBUTADIENE, POLYISOPRENE, AND BUTADIENE-STYRENE COPOLYMERS IN AN AQUEOUS SOLUTION TOGETHER WITH A BLOWING AGENT, A FLAMEPROOFING HALIDE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM BROMIDE, ORGANIC CHLORIDES AND ORGANIC BROMIDES AND ABOUT 0.5 TO 3 PARTS PER HUNDRED PARTS RESIN OF A HYRAZONE ACCORDING TO THE GENERAL FORMULA
Claim 4
Independent Claim
108 words
A METHOD FOR PRODUCING A FOAMABLE SELF-EXTINGUISHING ALKENYL AROMATIC RESIN COMPRISING: DISPERSING GRANULES OF RESIN SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS AND COPOLYMERS OF STYRENE A-METHYLSTRENE, ETHYL STYRENE, ISOPROPYL STYRENE TERT-BUTYL STYRENE, VINYL TOLUENE, VINYL XYLENE AND CHLOROSTYRENE AND SUCH HOMOPOLYMERS AND COPOLYMERS CONTAINING ABOUT 2 TO 20 WEIGHT PERCENT OF AN ELASTOMER SELECTED FROM THE GROUP CONSISTING OF POLYBUTADIENE, POLYISOPRENE, AND BUTADIENE-STYRENE COPOLYMERS IN AN AQUEOUS SOLUTION TOGETHER WITH A BLOWING AGENT, A FLAMEPROOFING HALIDE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM BROMIDE, ORGANIC CHLORIDES AND ORGANIC BROMIDES AND ABOUT 0.5 TO 3 PARTS PER HUNDRED PARTS RESIN OF A HYRAZONE ACCORDING TO THE GENERAL FORMULA
References Cited (Backward Citations)
US3001954A
Cited
US3149092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |