Patent US4058398A successfully refreshed from Google Patents.
US4058398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image recording material and method for forming an image using the same
Assignee: Fujifilm Holdings Corp
•
Filing: 1975-09-29
•
Granted: 1977-11-15
•
Expires: 1995-09-29
Abstract
Abstract A recording material comprising a support, a layer of a light-sensitive composition on the support, and a transparent film on the layer of the light-sensitive composition wherein the light-sensitive composition comprises (a) a monomer containing at least two addition polymerizable unsaturated bonds and having a boiling point of at least 100° C, (b) polyvinyl butyral, and (c) a photopolymerization initiator represented by the formula: ##STR1## wherein R 1 is an alkyl group which may be substituted or a vinyl-methyl group, R 2 is an alkyl group, aryl group, or thienyl group, and Z is a group of non-metallic atoms required for forming a heterocyclic ring. After the recording material is imagewise exposed to light, the transparent film is peeled off while heating at about 70° to 150° C, whereby a positive or negative image is formed on each of the support and transparent film.
Inventors
- 👤 Chiaki Osada
- 👤 Eiichi Hasegawa
- 👤 Masataka Murata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:12
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; Y10S430/114; Y10S430/12; Y10S430/121
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
164 words
A process for forming an image which comprises imagewise exposing a recording material comprising a support, a light-sensitive composition layer on said support, and a transparent film on said light-sensitive composition layer, and then peeling off said transparent film to remove the exposed areas of said light-sensitive composition layer with said transparent film and to leave the unexposed areas of said light-sensitive composition layer on said support, thereby to form an image on said support, wherein said light-sensitive composition comprises: a. a monomer containing at least two addition-polymerizable unsaturated bonds and having a boiling point of at least 100° C, b. polyvinyl butyral, and c. a photopolymerization initiator represented by the formula: ##STR6## wherein R 1 is an alkyl group or vinylmethyl group, R 2 is an alkyl group, aryl group or thienyl group, and Z is a group of non-metallic atoms necessary to forming a heterocyclic ring, and said transparent film is peeled off at a temperature of about 70° to 150° C.
Claim 2
Dependent Claim
164 words
A process for forming an image which comprises imagewise exposing a recording material comprising a support, a light-sensitive composition layer on said support, and a transparent film on said light-sensitive composition layer, and then peeling off said transparent film to remove the exposed areas of said light-sensitive composition layer with said transparent film and to leave the unexposed areas of said light-sensitive composition layer on said support, thereby to form an image on said support, wherein said light-sensitive composition comprises: a. a monomer containing at least two addition-polymerizable unsaturated bonds and having a boiling point of at least 100° C, b. polyvinyl butyral, and c. a photopolymerization initiator represented by the formula: ##STR6## wherein R 1 is an alkyl group or vinylmethyl group, R 2 is an alkyl group, aryl group or thienyl group, and Z is a group of non-metallic atoms necessary to forming a heterocyclic ring, and said transparent film is peeled off at a temperature of about 70° to 150° C.
Claim 3
Dependent Claim
17 words
The process according to claim 1, wherein the monomer contains two or more different addition-polymerizable unsaturated bonds.
Claim 4
Dependent Claim
31 words
The process according to claim 1, wherein the polyvinyl butyral has a molecular weight of about 10,000 to 1,000,000 and a degree of butyralation of about 58 to 75 mole %.
Claim 5
Dependent Claim
31 words
The process according to claim 3, wherein the polyvinyl butyral has a molecular weight of about 20,000 to 100,000 and a degree of butyralation of about 70 to 75 mole %.
Claim 6
Dependent Claim
23 words
The process according to claim 1, wherein the photopolymerization initiator is selected from the group consisting of 2-benzoylmethylene-3-methyl-β-naphthothiazoline, 2-benzoylmethylene-3-ethyl-β-naphthothiazoline, 3-ethyl-2-(2-thenoyl)methylene-β-naphthothiazoline, 3-ethyl-2-propionylmethylene-β-naphthothiazoline, and 5-chloro-3-ethyl-2-p-methoxybenzoylmethylenebenzothiazoline.
Claim 7
Dependent Claim
31 words
The process according to claim 1, wherein the polyvinyl butyral is present in an amount of about 50 to 300 parts by weight per 100 parts by weight of the monomer.
Claim 8
Dependent Claim
31 words
The process according to claim 6, wherein the polyvinyl butyral is present in an amount of about 100 to 200 parts by weight per 100 parts by weight of the monomer.
Claim 9
Dependent Claim
31 words
The process according to claim 1, wherein the photopolymerization initiator is present in an amount of about 0.1 to 20 parts by weight per 100 parts by weight of the monomer.
Claim 10
Dependent Claim
16 words
The process of according to claim 1, wherein R 1 is an unsubstituted lower alkyl group.
Claim 11
Dependent Claim
27 words
The process of according to claim 1, wherein R 1 is a hydroxyalkyl group, an alkoxyalkyl group, a carboxyalkyl group, a sulfoalkyl group, or an aralkyl group.
Claim 12
Dependent Claim
14 words
The process according to claim 1, wherein R 2 is a lower alkyl group.
Claim 13
Dependent Claim
13 words
The process according to claim 1, wherein R 2 is an aryl group.
Claim 14
Dependent Claim
13 words
The process according to claim 1, wherein R 2 is a thienyl group.
Claim 15
Dependent Claim
13 words
The process according to claim 1, wherein Z forms a nitrogen-containing heterocyclic nucleus.
Claim 16
Dependent Claim
23 words
The process according to claim 1, wherein Z forms a 5-membered nitrogen-containing heterocyclic nucleus which is fused with a system containing 6-membered rings.
Claim 17
Dependent Claim
31 words
The process according to claim 1, wherein Z forms a nucleus selected from the group consisting of a benzothiazole, a naphthothiazole, a benzoselenazole, a naphthoselenazole, a benzooxazole and a naphthooxazole nucleus.
Claim 18
Dependent Claim
26 words
The process according to claim 1, wherein said transparent film has a transparency greater than 70% to light in the region 380 mμ to 450 mμ.
Claim 19
Dependent Claim
19 words
The process according to claim 17, wherein said transparent film has a thickness of about 10 to 150 μ.
References Cited (Backward Citations)
US3870524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-11-14 | 1981-05-16 | 1981-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-14 | 1985-05-16 | 1985-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-14 | 1989-05-16 | 1989-11-15 | $7700.00 | Window Closed / Lapsed |