US3129206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization process
Assignee: Imperial Chemical Industries Ltd
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Filing: 1960-08-05
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Granted: 1964-04-14
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Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
- 👤 Pajaczkowski Andrzej
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:03
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/28; C08F4/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
IN A PROCESS FOR THE POLYMERIZATION OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE, VINYL ACETATE, VINYL PHTHALIMIDE, METHYL METHACRYLATE, METHYL ACRYLATE, ACRYLONITRILE, STYRENE, DIALLYL ESTERS, VINYLIDENE CHLORIDE AND BUTADIENE, THE IMPROVEMENT WHICH COMPRISES POLYMERIZING SAID MONOMER IN THE PRESENCE OF FROM 0.01% TO 2.0% BY WEIGHT OF 3,5,5,-TRIMETHYLHEXANOYL PEROXIDE.
Claim 2
Dependent Claim
53 words
IN A PROCESS FOR THE POLYMERIZATION OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE, VINYL ACETATE, VINYL PHTHALIMIDE, METHYL METHACRYLATE, METHYL ACRYLATE, ACRYLONITRILE, STYRENE, DIALLYL ESTERS, VINYLIDENE CHLORIDE AND BUTADIENE, THE IMPROVEMENT WHICH COMPRISES POLYMERIZING SAID MONOMER IN THE PRESENCE OF FROM 0.01% TO 2.0% BY WEIGHT OF 3,5,5,-TRIMETHYLHEXANOYL PEROXIDE.
References Cited (Backward Citations)
US2366306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |