US3069404A
Expired / Lapsed
US
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Polymerization of ethylenically unsaturated compounds with bis(trifluoromethyl) peroxide as polymerization initiator
Assignee: EIDP Inc
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Filing: 1960-01-14
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Granted: 1962-12-18
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Expires: 1980-01-14
Abstract
No abstract record available.
Inventors
- 👤 Robert A Darby
- 👤 Ellsworth K Ellingboe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:23
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/28; C08F4/32; Y; Y10; Y10S; Y10S260/00; Y10S260/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
IN A PROCESS FOR THE POLYMERIZATION OF A POLYMERIZABLE ETHYLENICALLY UNSATURATED COMPOUND, THE STEP WHICH COMPRISES CONTACTING AND POLYMERIZING SAID ETHYLENICALLY UNSATURATED COMPOUND WITH A CATALYTIC AMOUNT OF BIS(TRIFLUOOMETHYL) PEROXIDE AS THE POLYMERIZATION INITIATOR AT A TEMPERATURE IN THE RANGE OF 100 TO 250*C.
Claim 2
Dependent Claim
44 words
IN A PROCESS FOR THE POLYMERIZATION OF A POLYMERIZABLE ETHYLENICALLY UNSATURATED COMPOUND, THE STEP WHICH COMPRISES CONTACTING AND POLYMERIZING SAID ETHYLENICALLY UNSATURATED COMPOUND WITH A CATALYTIC AMOUNT OF BIS(TRIFLUOOMETHYL) PEROXIDE AS THE POLYMERIZATION INITIATOR AT A TEMPERATURE IN THE RANGE OF 100 TO 250*C.
References Cited (Backward Citations)
US2586550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |