Patent US3080351A successfully refreshed from Google Patents.
US3080351A
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Polymerization of organic compounds with phosphonium catalysts
Assignee: DEUTSCHE GOLD- und SILBER-SCHEIEDEANSTALT VORMALS ROESSLER
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Filing: 1958-07-14
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Granted: 1963-03-05
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Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm H Querfurth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:11
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/28; C08F20/00; C08F20/62; Y; Y10; Y10S; Y10S526/00; Y10S526/915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A PROCESS FOR THE CATALYTIC POLYMERIZATION OF A POLYMERIZABLE MASS COMPRISING A LIQUID POLYMERIZABLE COMPOUND CONTAINING A SINGLE TERMINAL >C=CH2 GROUP IN THE PRESENCE OF A CATALYTIC AMOUNT OF A REDOX SYSTEM CONTAINING AT LEAST ONE PEROXIDE COMPOUND AS AN OXIDIZING COMPONENT AND AT LEAST ONE REDUCING COMPONENT SELECTED FROM THE GROUP CONSISTING OF SECONDARY AMINES, TERTIARY AMINES AND THEIR SALTS, THE STEP WHICH COMPRISES INCORPORATING AN ORGANIC PHOSPHONIUM COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
74 words
IN A PROCESS FOR THE CATALYTIC POLYMERIZATION OF A POLYMERIZABLE MASS COMPRISING A LIQUID POLYMERIZABLE COMPOUND CONTAINING A SINGLE TERMINAL >C=CH2 GROUP IN THE PRESENCE OF A CATALYTIC AMOUNT OF A REDOX SYSTEM CONTAINING AT LEAST ONE PEROXIDE COMPOUND AS AN OXIDIZING COMPONENT AND AT LEAST ONE REDUCING COMPONENT SELECTED FROM THE GROUP CONSISTING OF SECONDARY AMINES, TERTIARY AMINES AND THEIR SALTS, THE STEP WHICH COMPRISES INCORPORATING AN ORGANIC PHOSPHONIUM COMPOUND OF THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |