US3850646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive photographic element
Assignee: Individual
•
Filing: 1970-03-24
•
Granted: 1974-11-26
•
Expires: 1990-03-24
Abstract
Abstract Certain aryl azide sensitized polymeric acryloylpeptide derivatives, both as homopolymers and as copolymers with various acryloyl and vinyl derivatives, provide robust, alcohol developable photorisists suitable for use in printing and etching operations.
Inventors
- 👤 H Wagner
- 👤 W Przezdziecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:25
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/008; G03F7/012; G03F7/0125; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/128
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
60 words
A PHOTPGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING COATED THEREON A LIGHT-SENSITIVE LAYER COMPRISING A POLYMER THAT IS SOLUBLE IN LOWER ALKYL MONOHYDRIC ALCOHOLS AND A SENSITIZING AMOUNT OF ARYL AZIDE HAVING ORGANIC SOLVENT SOLUBILITY, SUCH THAT IN THE LAYER, EXPOSED AZIDE-SENSITIZED POLYMER IS RENDERED INSOLUBLE IN LOWER ALKYL MONOHYDRIC ALCOHOLS, SAID POLYMER BEING SELECTED FROM GROUP CONSISTING OF COPOLYMERS COMPRISING:
Claim 2
Dependent Claim
60 words
A PHOTPGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING COATED THEREON A LIGHT-SENSITIVE LAYER COMPRISING A POLYMER THAT IS SOLUBLE IN LOWER ALKYL MONOHYDRIC ALCOHOLS AND A SENSITIZING AMOUNT OF ARYL AZIDE HAVING ORGANIC SOLVENT SOLUBILITY, SUCH THAT IN THE LAYER, EXPOSED AZIDE-SENSITIZED POLYMER IS RENDERED INSOLUBLE IN LOWER ALKYL MONOHYDRIC ALCOHOLS, SAID POLYMER BEING SELECTED FROM GROUP CONSISTING OF COPOLYMERS COMPRISING:
Claim 3
Dependent Claim
22 words
FROM 10 TO 75 MOLE PERCENT OF AT LEAST ONE RECURRING ACRYLOYLPEPTIDE UNIT HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF:
Claim 4
Dependent Claim
22 words
FROM 10 TO 75 MOLE PERCENT OF AT LEAST ONE RECURRING ACRYLOYLPEPTIDE UNIT HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF:
Claim 5
Dependent Claim
11 words
AN ALKYL RADICAL HAVING FROM ONE TO SEVEN CARBON ATOMS, AND
Claim 6
Dependent Claim
11 words
AN ALKYL RADICAL HAVING FROM ONE TO SEVEN CARBON ATOMS, AND
Claim 7
Dependent Claim
4 words
A HYDROGEN ATOM, AND
Claim 8
Dependent Claim
4 words
A HYDROGEN ATOM, AND
Claim 9
Dependent Claim
4 words
A HYDROGEN ATOM, AND
Claim 10
Dependent Claim
4 words
A HYDROGEN ATOM, AND
Claim 11
Dependent Claim
20 words
A METHYL RADICAL; AND B. R9 AND R10 ARE EACH A LOWER ALKYL RADICAL HAVING 1 TO 4 CARBON ATOMS.
Claim 12
Dependent Claim
20 words
A METHYL RADICAL; AND B. R9 AND R10 ARE EACH A LOWER ALKYL RADICAL HAVING 1 TO 4 CARBON ATOMS.
Claim 13
Dependent Claim
5 words
a radical having the formula
Claim 14
Dependent Claim
5 words
a radical having the formula
Claim 15
Dependent Claim
13 words
a lower alkyl radical; E. X is selected from the group consisting of:
Claim 16
Dependent Claim
13 words
a lower alkyl radical; E. X is selected from the group consisting of:
Claim 17
Dependent Claim
5 words
a lower alkyl radical, and
Claim 18
Dependent Claim
5 words
a lower alkyl radical, and
Claim 19
Dependent Claim
14 words
A LOWER ALKYL RADICAL; E. X IS SELECTED FROM THE GROUP CONSISTING OF: 1.
Claim 20
Dependent Claim
14 words
A LOWER ALKYL RADICAL; E. X IS SELECTED FROM THE GROUP CONSISTING OF: 1.
Claim 21
Dependent Claim
5 words
A LOWER ALKYL RADICAL, AND
Claim 22
Dependent Claim
5 words
A LOWER ALKYL RADICAL, AND
Claim 23
Dependent Claim
5 words
A RADICAL HAVING THE FORMULA
Claim 24
Dependent Claim
5 words
A RADICAL HAVING THE FORMULA
Claim 25
Dependent Claim
20 words
a methyl radical; and B. R9 and R10 are Each a lower alkyl radical having 1 to 4 carbon atoms.
Claim 26
Dependent Claim
20 words
a methyl radical; and B. R9 and R10 are Each a lower alkyl radical having 1 to 4 carbon atoms.
Claim 27
Dependent Claim
85 words
A photographic element comprising a support having coated thereon a light-sensitive layer comprising a polymer that is soluble in lower alkyl monohydric alcohols and a sensitizing amount of aryl azide having organic solvent solubility, such that in the layer, exposed azide-sensitized polymer is rendered insoluble in lower alkyl monohydric alcohols, said polymer being selected from the group consisting of the copolymerization products of ethyl-N-acryloylglycine and vinyl acetate, ethyl N-acryloylglycine and butyl acrylate, ethyl N-acryloylglycine and ethyl acrylate and N-acryloyl-N''-butyl glycinamide, methyl methacrylate and ethyl acrylate.
Claim 28
Dependent Claim
85 words
A photographic element comprising a support having coated thereon a light-sensitive layer comprising a polymer that is soluble in lower alkyl monohydric alcohols and a sensitizing amount of aryl azide having organic solvent solubility, such that in the layer, exposed azide-sensitized polymer is rendered insoluble in lower alkyl monohydric alcohols, said polymer being selected from the group consisting of the copolymerization products of ethyl-N-acryloylglycine and vinyl acetate, ethyl N-acryloylglycine and butyl acrylate, ethyl N-acryloylglycine and ethyl acrylate and N-acryloyl-N''-butyl glycinamide, methyl methacrylate and ethyl acrylate.
Claim 29
Dependent Claim
26 words
A HYDROGEN ATOM; AND II. FROM 25 TO 90 MOLE PERCENT OF AT LEAST ONE RECURRING UNIT HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF:
Claim 30
Dependent Claim
26 words
A HYDROGEN ATOM; AND II. FROM 25 TO 90 MOLE PERCENT OF AT LEAST ONE RECURRING UNIT HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF:
Claim 31
Dependent Claim
26 words
a hydrogen atom; and II. from 25 to 90 mole percent of at least one recurring unit having a formula selected from the group consisting of:
Claim 32
Dependent Claim
26 words
a hydrogen atom; and II. from 25 to 90 mole percent of at least one recurring unit having a formula selected from the group consisting of:
References Cited (Backward Citations)
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US2692826A
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US3143423A
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US3312554A
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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) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |