US3763128A
Expired / Lapsed
US
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Novel co initiator systems
Assignee: ARGUS CHEMICAL CORP US
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Filing: 1972-04-19
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Granted: 1973-10-02
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Expires: 1992-04-19
Abstract
Abstract THE COMBINATION OF TETIARY ALKYL PERESTES OF TERITARY HYDROPEROXIDES AND EITHER ORGANIC AZO COMPOUNDS CONTAINING THE MONOVALENT -CN RADICAL OR DIACYL PEROXIDES USEFUL AS POLYMERIZATION INITIATORS. THESE CON-INITIATOR SYSTEMS ARE PARTICULARLY EFFICIENT IN THE POLYMERIZATION OF CERTAIN VINYL MONOMERS SUCH AS VINYL CHLORIDE.
Inventors
- 👤 R Lewis
- 👤 R Friedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:31
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/28; C08F4/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |