US3637633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peroxy compounds
Assignee: Imperial Chemical Industries Ltd
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Filing: 1969-04-15
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Granted: 1972-01-25
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Expires: 1989-04-15
Abstract
Abstract A MIXTURE OF A DIACYL PEROXIDE, A PEROXYDICARBORATE, AND AN ACYL PEROXYCARBONATE IS MDE BY THE ACTION OF AN INORGANIC INORGANIC PEROXIDE ON A MIXTURE OF A CHLOROFORMATE AND AN ACID CHLORIDE. THE MIXTURE OF PEROXY COMPOUNDS CAN BE USED AS CATALYSTS FOR THE POLYMERISITION OF VINYL CHLORIDE.
Inventors
- 👤 David Rodney Dixon
- 👤 John Andrew Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:11
CPC Classifications
C; C08; C08F; C08F14/00; C08F14/02; C08F14/04; C08F14/06; C07; C07C; C07C407/00; C07C409/00; C07C409/32; C07C409/34
Claims Analysis
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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) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |