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Patent US3779778A successfully refreshed from Google Patents.
US3779778A
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US
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Photosolubilizable compositions and elements
Assignee: 3M Co
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Filing: 1972-02-09
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Granted: 1973-12-18
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Expires: 1992-02-09
Abstract
Abstract Novel photosolubilizable compositions and their preparation are described. These compositions comprise (1) a water-insoluble compound containing one or more acid-degradable groups, and (2) a photoinitiator comprising a photolyzable acid progenitor. Presensitized elements utilizing these photosolubilizable compositions are also provided.
Inventors
- 👤 G Smith
- 👤 J Bonham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:05
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/0045; Y; Y10; Y10S; Y10S430/00; Y10S430/156
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
20 words
A photosolubilizable composition comprising: a. a water-insoluble organic compound containing one or more acid-degradable groups, the group having the formula
Claim 2
Dependent Claim
48 words
The composition of claim 2, wherein said water-insoluble organic compound is a nucleophilic addition reaction product of a an organic compound having one alkyl vinyl ether group, and b an aromatic compound selected from the group consisting of phenols, polyhydric phenols, aromatic monoalkyl sulfonamides, phenothiazine, and Alpha -naphthylphenylamine.
Claim 3
Dependent Claim
15 words
The composition of claim 3 wherein said alkyl vinyl ether group is a dihydropyran group.
Claim 4
Dependent Claim
49 words
The composition of claim 2, wherein said water-insoluble organic compound is a nucleophilic addition reaction product of a an organic compound having more than one alkyl vinyl ether group and b an aromatic compound selected from the group consisting of a phenol, an aromatic monoalkylsulfonamide, phenothiazine, and Alpha -naphthylphenylamine.
Claim 5
Dependent Claim
15 words
The composition of claim 5, wherein said alkyl vinyl ether group is a dihydropyran group.
Claim 6
Dependent Claim
40 words
The composition of claim 2, wherein said water-insoluble organic compound is a nucleophilic addition reaction of a an organic compound having two alkyl vinyl ether groups and b an aromatic compound selected from the group consisting of dihydroxy aromatic compounds.
Claim 7
Dependent Claim
14 words
The composition of claim 7, wherein said alkyl vinyl ether groups are dihydropyran groups.
Claim 8
Dependent Claim
18 words
The composition of claim 2, wherein said photo-initiator comprises a substantially neutral and stable photolyzable organic halogen-containing compound.
Claim 9
Dependent Claim
13 words
The photoinitiator of claim 9, wherein said organic halogen-containing compound comprises a halomethyl-s-triazine.
Claim 10
Dependent Claim
34 words
The photoinitiator of claim 9, wherein said organic halogen-containing compound comprises a photolyzable s-triazine having at least one trihalomethyl group and at least one chromophoric moiety conjugated with the triazine ring by ethylenic unsaturation.
Claim 11
Dependent Claim
19 words
The photoinitiator of claim 9, wherein said organic halogen-containing compound comprises a halogen-containing aliphatic, arylaliphatic, or heteroarylaliphatic organic compound.
Claim 12
Dependent Claim
37 words
Photosensitive sheet material comprising: a. a base sheet; and b. overlying said base sheet and in direct contact therewith a photosolubilizable composition comprising: i. a water-insoluble organic compound containing one or more acid-degradable groups of the formula
Claim 13
Dependent Claim
37 words
Photosensitive sheet material comprising: a. a base sheet; and b. overlying said base sheet and in direct contact therewith a photosolubilizable composition comprising: i. a water-insoluble organic compound containing one or more acid-degradable groups of the formula
Claim 14
Dependent Claim
13 words
The photosensitive sheet material of claim 14 wherein said base sheet is metal.
Claim 15
Dependent Claim
16 words
The photosensitive sheet material of claim 14 wherein said base sheet is transparent and dimensionally stable.
Claim 16
Dependent Claim
51 words
The photosensitive sheet material of claim 14 wherein said water-insoluble organic compound is a nucleophilic addition reaction product of a an organic compound having one alkyl vinyl ether group, and b an aromatic compound selected from the group consisting of phenols, polyhydric phenols, aromatic monoalkyl sulfonamides, phenothiazine, and Alpha -naphthyl-phenyl amine.
Claim 17
Dependent Claim
17 words
The photosensitive sheet material of claim 17 wherein said alkyl vinyl ether group is a dihydropyran group.
Claim 18
Dependent Claim
53 words
The photosensitive sheet material of claim 14 wherein said water-insoluble organic compound is a nucleophilic addition reaction product of a an organic compound having more than one alkyl vinyl ether group and b an aromatic compound selected from the group consisting of a phenol, an aromatic monoalkylsulfonamide, phenothiazine, and Alpha -naphthyl phenyl amine.
Claim 19
Dependent Claim
17 words
The photosensitive sheet material of claim 19 wherein said alkyl vinyl ether group is a dihydropyran group.
Claim 20
Dependent Claim
42 words
The photosensitive sheet material of claim 14 wherein said water-insoluble organic compound is a nucleophilic addition reaction of a an organic compound having two alkyl vinyl ether groups and b an aromatic compound selected from the group consisting of dihydroxy aromatic compounds.
Claim 21
Dependent Claim
16 words
The photosensitive sheet material of claim 21 wherein said alkyl vinyl ether groups are dihydropyran groups.
Claim 22
Dependent Claim
20 words
The photosensitive sheet material of claim 14 wherein said photoinitiator comprises a substantially neutral and stable photolyzable organic halogen-containing compound.
Claim 23
Dependent Claim
13 words
The photoinitiator of claim 23 wherein said organic halogen-containing compound comprises a halomethyl-s-triazine.
Claim 24
Dependent Claim
34 words
The photoinitiator of claim 23 wherein said organic halogen-containing compound comprises a photolyzable s-triazine having at least one trihalomethyl group and at least one chromophoric moiety conjugated with the triazine ring by ethylenic unsaturation.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |