Patent US3574622A successfully refreshed from Google Patents.
US3574622A
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US
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Photopolymerization using n-alkoxy heterocyclic initiators
Assignee: Eastman Kodak Co
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Filing: 1968-10-09
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Granted: 1971-04-13
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Expires: 1988-10-09
Abstract
Abstract ENERGY-SENSITIVE COMPOUNDS CONTAINING A HETEROCYCLIC NITROGEN ATOM SUBSTITUTED WITH AN -OR GROUP WHERE R IS AN ALKYL, ARYL, OR ACYL RADICAL, ARE PHOTOCHEMICAL INITIATORS FOR THE POLYMERIZATION OF VINYL MONOMERS.
Inventors
- 👤 Philip W Jenkins
- 👤 Donald W Heseltine
- 👤 John D Mee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:16
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04; C07D209/00; C07D209/02; C07D209/04; C07D209/08; G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/031; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/12; Y10S430/121
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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |