US3835003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photopolymerization of oxetanes
Assignee: Primerica Inc
•
Filing: 1972-10-19
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Granted: 1974-09-10
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Expires: 1992-10-19
Abstract
Abstract POLYMERIZATION OF POLYMERIZABLE COMPOSITIONS COMPRISING MONOMERS WHICH MAY BE OXETANES OR MIXTURES THEREOF WITH MONOMERIC OR PREPOLYMERIC EPOXIDES IS EFFECTED BY MIXING SUCH COMPOSITIONS WITH RADIATION-SENSITIVE AROMATIC DIAZONIUM SALTS WHICH DECOMPOSE UPON APPLICATION OF ENERGY SUCH AS ELECTROMAGNETIC RADIATION TO RELEASE LEWIS ACID TO INITIATE POLYMERIZATION OF SAID MONOMERS.
Inventors
- 👤 S Schlesinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:34
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/08; C08G65/10; C08G65/12; C08G59/00; C08G59/18; C08G59/68; C08G59/686; C08G65/105; C08G65/16; C08G65/18; C08G65/22; C08G65/223; G; G03; G03C; G03C5/00; G03C5/60; G03F; G03F7/00; G03F7/004; G03F7/016; G03F7/027; G03F7/028; G03F7/029; G03F7/12
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) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |