US3573922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photopolymerizable composition and process
Assignee: Raytheon Co
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Filing: 1969-05-15
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Granted: 1971-04-06
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Expires: 1989-05-15
Abstract
Abstract A METHOD OF PHOTOPHOLYMERIZATION OF A PHOTOPOLYMERIZABLE VINYL MONOMER SYSTEM WITH A PHOTOXIDANT AND CATALYST COMBINATION CAPABLE OF COREACTIVITY TO EFFECT VISIBLE PHOTOPOLYMERIZATION IN VISIBLE LIGHT AND MORE PARTICULARLY LIGHT-ACTIVATABLE DYE AND SULFINIC ACID CATALYST COMBINATION REACTING WITH EACH OTHER TO INITIATE PHOTOPOLYMERIZATION IN AND OVER THE LIGHT RANGE OF ABOUT 3800 A. TO 7200 A,
Inventors
- 👤 John B Rust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:17
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/031; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/11; Y10S430/111; Y10S430/114; Y10S430/116
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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |