US3661588A
Expired / Lapsed
US
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Photopolymerizable compositions containing aminophenyl ketones and adjuvants
Assignee: EIDP Inc
•
Filing: 1969-11-18
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Granted: 1972-05-09
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Expires: 1989-11-18
Abstract
Abstract Photopolymerizable compositions comprising an ethylenically unsaturated monomer and an initiating combination of an aminophenyl ketone and a free-radical producing hydrogen donor compound selected from active methylene compounds and amino compounds.
Inventors
- 👤 Catherine Teh-Lin Chang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:55
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; Y10S430/108; Y10S430/109; Y10S430/11; Y10S430/111; Y10S430/114; Y10S430/116; Y10S430/118; Y10S430/12; Y10S430/124
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
22 words
A composition according to claim 1, wherein the polymer binder is present in an amount of at least 5 parts by weight.
Claim 2
Dependent Claim
38 words
A composition according to claim 2, wherein the p-aminophenyl ketone has the formula where R and R1 are each H or an alkyl radical of 1-4 carbon atoms and R2 is alkyl of 1-4 carbon atoms or phenyl.
Claim 3
Dependent Claim
12 words
A composition according to claim 2, wherein said p-aminophenyl ketone is p,p''-bis(dimethylamino)benzophenone.
Claim 4
Dependent Claim
11 words
A composition according to claim 2, wherein constituent (d) is N-phenylglycine.
Claim 5
Dependent Claim
16 words
A photopolymerizable element comprising a support bearing a layer of the composition defined by claim 1.
Claim 6
Dependent Claim
23 words
An element according to claim 6, wherein a thermoplastic polymer binder is present in an amount of at least 5 parts by weight.
Claim 7
Dependent Claim
38 words
An element according to claim 6, wherein the p-aminophenyl ketone has the formula where R and R1 are each H or an alkyl radical of 1-4 carbon atoms and R2 is alkyl of 1-4 carbon atoms or phenyl.
Claim 8
Dependent Claim
12 words
An element according to claim 6, wherein the p-aminophenyl ketone is p,p''-bis(dimethylamino)benzophenone.
Claim 9
Dependent Claim
22 words
An element according to claim 6, wherein the unsaturated compound is an acrylic or methacrylic acid ester containing 1-5 terminal ethylenic groups.
Claim 10
Dependent Claim
15 words
An element according to claim 6, wherein the support is a metal sheet or plate.
Claim 11
Dependent Claim
15 words
An element according to claim 6, wherein said support is a macromolecular organic polymer film.
Claim 12
Dependent Claim
11 words
An element according to claim 6, wherein constituent (d) is N-phenylglycine.
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) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |