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US3948667A Expired / Lapsed US ⏱️ 0.0 years remaining

Photosensitive compositions

Assignee: JSR Corp
•
Filing: 1974-07-01
•
Granted: 1976-04-06
•
Expires: 1994-07-01
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Abstract

Abstract Solvent-developed type photosensitive compositions containing as an essential ingredient at least one selected from the group of the cyclization product of butadiene polymer or copolymer and organic solvent, with or without at least one member selected from the group consisting of photosensitizer and photosensitive crosslinking agent, both soluble in an organic solvent.

Inventors

  • 👤 Mitsuo Ichikawa
  • 👤 Yasumasa Takeuchi
  • 👤 Takao Miura
  • 👤 Yoshiyuki Harita
  • 👤 Mitsuru Tashiro
  • 👤 Takahiro Tsunoda

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 14:31
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; C; C08; C08C; C08C19/00; C08C19/10; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/12; Y10S430/122; Y10S430/126

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 46 words
Solvent-developed type photosensitive compositions comprising at least one member selected from the group consisting of cyclized butadiene polymers and copolymers, an organic solvent, and at least one member selected from the group consisting of photosensitizers and photosensitive crosslinking agents which are soluble in the organic solvent.
Claim 2
Dependent Claim 46 words
Solvent-developed type photosensitive compositions comprising at least one member selected from the group consisting of cyclized butadiene polymers and copolymers, an organic solvent, and at least one member selected from the group consisting of photosensitizers and photosensitive crosslinking agents which are soluble in the organic solvent.
Claim 3
Dependent Claim 37 words
The photosensitive compositions according to claim 1 wherein the compositions consist essentially of a member selected from the group consisting of cyclized butadiene polymers and copolymers, the organic solvent and a photosensitizer soluble in the organic solvent.
Claim 4
Dependent Claim 39 words
The photosensitive compositions according to claim 1 wherein the compositions consist essentially of a member selected from the group consisting of cyclized butadiene polymers and copolymers, the organic solvent and a photosensitive crosslinking agent soluble in the organic solvent.
Claim 5
Dependent Claim 45 words
The photosensitive compositions according to claim 1 wherein the compositions consist essentially of a member selected from the group consisting of butadiene polymers and copolymers, the organic solvent, a photosensitizer soluble in the organic solvent and a photosensitive crosslinking agent soluble in the organic solvent.
Claim 6
Dependent Claim 31 words
The photosensitive compositions according to claim 1 wherein the butadiene polymer is selected from the group consisting of the polybutadienes whose microstructure consists mainly of 1,4-cis-structure, 1,4-trans-structure, 1,2-structure and mixtures thereof.
Claim 7
Dependent Claim 42 words
The photosensitive compositions according to claim 1 wherein the butadiene copolymer is selected from the group consisting of copolymers of butadiene and unsaturated monomers selected from the group consisting of vinyl aromatic compounds, vinyl cyanide compounds and ethylenically unsaturated carboxylic acid esters.
Claim 8
Dependent Claim 21 words
The photosensitive compositions according to claim 1 wherein the cyclization product is a substance obtained directly by cyclization polymerization of butadiene.
Claim 9
Dependent Claim 49 words
The photosensitive compositions according to claim 1 wherein the photosensitizer is one selected from the group consisting of benzophenone, anthraquinone, 1,2-naphthoquinone, 1,4-naphthoquinone, β-methylanthraquinone, benzanthrone, violanthrone, 9-anthraldehyde, benzil, p,p 1 -tetramethyl diaminobenzophenone, and chloranil, anthracene, chrysene, nitrobenzene, p-dinitrobenzene, α-nitronaphthalene, p-nitrodiphenyl, 2-nitrofluorene, 5-nitroacenaphthene, nitroaniline, 2-chloro-4-nitroaniline, 2,6-dichloro-4-nitroaniline, 5-nitro-2-aminotoluene, tetracyanoethylene and diphenyl disulfide.
Claim 10
Dependent Claim 18 words
The photosensitive compositions according to claim 1 wherein the photosensitive crosslinking agent is a diazide type photosensitive compound.
Claim 11
Dependent Claim 31 words
The photosensitive compositions according to claim 1 wherein the photosensitive crosslinking agent is selected from the group consisting of 4,4'-diazidostilbene, p-phenylene bisazide, 4,4'-diazidobenzophenone, 4,4'-diazidodiphenylmethane, 4,4'-diazidocalcon, 2,6-di-(4'-azidobenzal)-cyclohexanone, 2,6-di-(4'-azidobenzal)-4-methylcyclohexanone, 4,4'-diazidodiphenyl, 4,4'-diazido-3,3'-dimethyldiphenyl, and 2,7-diazidofluorene.
Claim 12
Dependent Claim 23 words
The photosensitive compositions according to claim 1 wherein the organic solvent is selected from the group consisting of aromatic hydrocarbons and halogenated hydrocarbons.
Claim 13
Dependent Claim 29 words
The photosensitive compositions according to claim 1 wherein the organic solvent is selected from the group consisting of toluene, xylene, ethylbenzene, trichloroethylene, perchloroethylene, carbon tetrachloride, tetrachloroethane, chlorobenzene, and dichlorobenzene.

References Cited (Backward Citations)

US2852379A Cited
US3201240A Cited
US3278305A Cited
US3467523A Cited
US3502470A Cited
US3674496A Cited
US3669662A Cited
US3669669A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-04-06 1979-10-06 1980-04-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-04-06 1983-10-06 1984-04-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-04-06 1987-10-06 1988-04-06 $7700.00 Window Closed / Lapsed

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