US3105064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers containing phosphorus
Assignee: Hoechst AG
•
Filing: 1957-09-17
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Granted: 1963-09-24
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Expires: 1977-09-17
Abstract
No abstract record available.
Inventors
- 👤 Kramer Hans Bernhard Adolf
- 👤 Messwarb Gunter
- 👤 Denk Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:24
CPC Classifications
C; C08; C08F; C08F30/00; C08F30/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A PROCESS FOR THE PRODUCTION OF PHOSHPORUS-CONTAINING POLYMERS WHICH COMPRISES COPOLYMERIZING VINYL PHOSPHONIC ACID DICHLORIDE WITH AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF STYRENE, ALKYLATED STYRENES, DIVINYL BENZENE, VINYL ESTERS OF ACIDS HAVING 1 TO 18 CARBON ATOMS, VINYLIDENE CHLORIDE, BUTADIENE, ACRYLONITRILE, ESTERS OF ACRYLIC ACID WITH ALIPHATIC ALOCHOLS HAVING 1 TO 4 CARBON ATOMS, AND ESTERS OF METHACRYLIC ACID WITH ALIPHATIC ALCOHOLS HAVING 1 TO 4 CARBON ATOMS, AT A TEMPERATURE WITHIN THE RANGE OF -50*C. TO 200*C., UNDER THE INFLUENCE OF ULTRAVIOLET LIGHT AND A CATALYST SELECTED FROM THE GROUP CONSISTING OF ORGANIC PEROXIDES AND AZOBUTYRIC DINITRILE, SUBSTANTIALLY WITH EXCLUSION OF MOISTURE.
Claim 2
Dependent Claim
107 words
A PROCESS FOR THE PRODUCTION OF PHOSHPORUS-CONTAINING POLYMERS WHICH COMPRISES COPOLYMERIZING VINYL PHOSPHONIC ACID DICHLORIDE WITH AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF STYRENE, ALKYLATED STYRENES, DIVINYL BENZENE, VINYL ESTERS OF ACIDS HAVING 1 TO 18 CARBON ATOMS, VINYLIDENE CHLORIDE, BUTADIENE, ACRYLONITRILE, ESTERS OF ACRYLIC ACID WITH ALIPHATIC ALOCHOLS HAVING 1 TO 4 CARBON ATOMS, AND ESTERS OF METHACRYLIC ACID WITH ALIPHATIC ALCOHOLS HAVING 1 TO 4 CARBON ATOMS, AT A TEMPERATURE WITHIN THE RANGE OF -50*C. TO 200*C., UNDER THE INFLUENCE OF ULTRAVIOLET LIGHT AND A CATALYST SELECTED FROM THE GROUP CONSISTING OF ORGANIC PEROXIDES AND AZOBUTYRIC DINITRILE, SUBSTANTIALLY WITH EXCLUSION OF MOISTURE.
References Cited (Backward Citations)
US2365466A
Cited
US2439214A
Cited
US2471472A
Cited
US2694684A
Cited
US2871263A
Cited
US2971948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |