US3556794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of inhibiting photopolymerization and products therefor
Assignee: Raytheon Co
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Filing: 1966-10-03
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Granted: 1971-01-19
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Expires: 1986-10-03
Abstract
Abstract METHOD OF OPTICALLY POLYMERIZING AND OPTICALLY DESENSITIZING PHOTOPOLYMERIZATION OF A PHOTOPOLYMERIZABLE COMPOSITION CONTAINING POLYMERIZABLE ETHYLENIC MONOMERS, A LIGHT-SENSITIVE POLYMERIZATION CATALYST SYSTEM AND A LIGHTSENSITIVE POLYMERIZATION INHIBITOR MATERIAL, THE STEPS CONSISTING OF IRRADIATING THE COMPOSITION WITH RADIATION TO ACTIVATE POLYMERIZATION OF SAID COMPOSITION AND WITH RADIATION ACTIVATING SAID INHIBITOR TO DEACTIVATE PHOTOPOLYMERIZATION OF SAID COMPOSITION, AND COMPOSITION THEREFOR.
Inventors
- 👤 John D Margerum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:27
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |