US4089815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photopolymerization initiators
Assignee: Sun Chemical Corp
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Filing: 1976-02-24
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Granted: 1978-05-16
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Expires: 1996-02-24
Abstract
Abstract Ethylenically unsaturated monomers in the presence of a novel aromatic oligomeric compound or polymer having a polyhaloacetyl moiety attached thereto are polymerized upon exposure to a source of radiation.
Inventors
- 👤 Ralph H. Reiter
- 👤 George Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:36
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/029; G03F7/0295; C; C07; C07C; C07C45/00; C07C45/45; C07C45/46; C07C45/61; C07C45/63; C07C49/00; C07C49/76; C07C49/782; C07C49/80; C07C49/813; C08; C08F; C08F2/00; C08F2/46; C08F2/48; C08F2/50; C08F257/00; C08F8/00; C08F8/18; C08F8/20; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/126; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
Poly(trichloroacetylbenzyl) having the general structure ##STR9##
Claim 2
Dependent Claim
6 words
Poly(trichloroacetylbenzyl) having the general structure ##STR9##
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-15 | 1981-11-14 | 1982-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-15 | 1985-11-14 | 1986-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-15 | 1989-11-14 | 1990-05-16 | $7700.00 | Window Closed / Lapsed |