US3829369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-methoxy benzene diazonium hexafluorophosphate catalyst for photopolymers in epoxy systems
Assignee: Primerica Inc
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Filing: 1972-10-19
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Granted: 1974-08-13
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Expires: 1992-10-19
Abstract
Abstract A PROCESS FOR POLYMERIZATION OF EPOXIDE MONOMERS AND PREPOLYMERS EMPLOYING 4-METHOXYBENZENE DIAZONIUM HEXAFLUOROPHOSPHATE AS A LATENT RADIATION-SENSITIVE INITIATOR COMPRISING SUBJECTING ADMIXTURES OF THE CATALYST AND EPOXIDE TO THE APPLICATION OF ENERGY.
Inventors
- 👤 J Feinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:48
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/016; C; C08; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/686; Y; Y10; Y10S; Y10S522/00; Y10S522/901
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) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |