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US3615453A Expired / Lapsed US ⏱️ 0.0 years remaining

Crosslinkable polymer compositions

Assignee: Eastman Kodak Co
•
Filing: 1968-10-09
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Granted: 1971-10-26
•
Expires: 1988-10-09
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Abstract

Abstract Polymers having hardenable groups and incorporating an energysensitive compound containing a heterocyclic nitrogen atom substituted with an -OR group where R is alkyl, aralkyl or acyl are crosslinked by exposure, including imagewise exposure, to electromagnetic radiation.

Inventors

  • 👤 Philip W Jenkins
  • 👤 Donald W Heseltine
  • 👤 John D Mee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 14:34
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/02; C09B23/08; C09B23/083; C09B23/0091; C09B23/04; C09B23/06; C09B23/086; C09B23/10; C09B23/105; C09B23/107; C09B23/14; C09B23/145; G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/128

Claims Analysis

Total Claims: 27
Claim 1
Independent Claim 34 words
The image-forming element as defined in claim 1 wherein Z represents the atoms necessary to complete a member selected from the group consisting of a pyridine nucleus, a quinoline nucleus and an indole nucleus.
Claim 2
Dependent Claim 29 words
The image-forming element as defined in claim 1 wherein R1 is a methine linkage terminated by a five to six membered heterocyclic nucleus having at least one heteronitrogen atom.
Claim 3
Dependent Claim 34 words
An image-forming element comprising a support and at least one layer of a cross-linkable composition comprising a polymer having hardenable groups and a cross-linking agent having a formula selected from the group consisting of:
Claim 4
Dependent Claim 16 words
The image-forming element as defined in claim 4 wherein said polymer having hardenable groups is gelatin.
Claim 5
Dependent Claim 16 words
The image-forming element as defined in claim 4 wherein said polymer having hardenable groups is poly(vinylacetoacetate).
Claim 6
Dependent Claim 31 words
The image-forming element as defined in claim 4 wherein said cross-linkable composition comprises a polymer selected from the group consisting of gelatin and poly(vinylacetoacetate) and a cross-linking agent having the formula:
Claim 7
Dependent Claim 31 words
The image-forming element as defined in claim 4 wherein said cross-linkable composition comprises a polymer selected from the group consisting of gelatin and poly(vinylacetoacetate) and a cross-linking agent having the formula:
Claim 8
Dependent Claim 31 words
The image-forming element as defined in claim 4 wherein said cross-linkable composition comprises a polymer selected from the group consisting of gelatin and poly(vinylacetoacetate) and a cross-linking agent having the formula:
Claim 9
Dependent Claim 31 words
The image-forming element as defined in claim 4 wherein said cross-linkable composition comprises a polymer selected from the group consisting of gelatin and poly(vinylacetoacetate) and a cross-linking agent having the formula:
Claim 10
Dependent Claim 31 words
The imagE-forming element as defined in claim 4 wherein said cross-linkable composition comprises a polymer selected from the group consisting of gelatin and poly(vinylacetoacetate) and a cross-linking agent having the formula:
Claim 11
Dependent Claim 31 words
The image-forming element as defined in claim 4 wherein said cross-linkable composition comprises a polymer selected from the group consisting of gelatin and poly(vinylacetoacetate) and a cross-linking agent having the formula:
Claim 12
Dependent Claim 54 words
A process for forming an image which comprises exposing an image-forming element in an imagewise manner to a form of electromagnetic energy, said element comprising a support having coated thereon a layer of a composition comprising a polymer having hardenable groups and a cross-linking agent having a formula selected from the group consisting of:
Claim 13
Dependent Claim 31 words
The process of claim 13 wherein Z represents the atoms necessary to complete a member selected from the group consisting of a pyridine nucleus, a quinoline nucleus and an indole nucleus.
Claim 14
Dependent Claim 26 words
The process of claim 13 wherein R1 is a methine linkage terminated by a five to six membered heterocyclic nucleus having at least on heteronitrogen atom.
Claim 15
Dependent Claim 24 words
The process of claim 13 wherein the form of electromagnetic energy is selected from the group consisting of infrared, visible, ultraviolet and electron radiation.
Claim 16
Dependent Claim 23 words
The process of claim 13 including the steps of washing away the unexposed areas with a solvent and dyeing the remaining hardened areas.
Claim 17
Dependent Claim 60 words
A process for forming an image which comprises exposing a photographic element in an imagewise manner to a form of electromagnetic energy, said element comprising a support having coated thereon a layer of a composition comprising a polymer selected from the group consisting of gelatin and poly(vinylacetoacetate) and a cross-linking agent having a formula selected from the group consisting of:
Claim 18
Dependent Claim 12 words
The process of claim 18 wherein said cross-linking agent has the formula:
Claim 19
Dependent Claim 12 words
ThE process of claim 18 wherein said cross-linking agent has the formula:
Claim 20
Dependent Claim 12 words
The process of claim 18 wherein said cross-linking agent has the formula:
Claim 21
Dependent Claim 12 words
The process of claim 18 wherein said cross-linking agent has the formula:
Claim 22
Dependent Claim 12 words
The process of claim 18 wherein said cross-linking agent has the formula:
Claim 23
Dependent Claim 12 words
The process of claim 18 wherein said cross-linking agent has the formula:
Claim 24
Dependent Claim 55 words
An image-forming element comprising a support having coated thereon a layer of a cross-linkable composition comprising a polymer selected from the group consisting of gelatin and poly(vinylacetoacetate), and 1-methoxy-2-methylpyridinium p-toluenesulfonate as the cross-linking agent in an amount sufficient to produce 0.1 to 10 percent of aldehyde in the total composition upon decomposition with electromagnetic radiation.
Claim 25
Dependent Claim 56 words
An image-forming element comprising a support having coated thereon a layer of a cross-linkable composition comprising a polymer selected from the group consisting of gelatin and poly(vinylacetoacetate), and 1-methoxy-4-methylpyridinium p-toluenesulfonate as the cross-linking agent in an amount sufficient to produce 0.1 10 percent by weight of aldehyde in the total composition upon decomposition with electromagnetic radiation.
Claim 26
Dependent Claim 57 words
An image-forming element comprising a support having coated thereon a layer of a cross-linkable composition comprising a polymer selected from the group consisting of gelatin and poly(vinylacetoacetate), and anhydro-2-methyl-1-(3-sulfopropoxy)pyridinium hydroxide as the cross-linking agent in an amount sufficient to produce 0.1 to 10 percent by weight of aldehyde in the total composition upon decomposition with electromagnetic radiation.
Claim 27
Dependent Claim 111 words
An image-forming element comprising a support having coated thereon a layer of cross-linkable composition comprising a polymer selected from the group consisting of gelatin and poly(vinylacetoacetate), and 1,1''-tetramethylenedioxybis(2-methylpyridinium)dipromide as the cross-linking agent in an amount sufficient to produce 0.1 to 10 percent by weight of aldehyde in the total composition upon decomposition with electromagnetic radiation. An image-forming element comprising a support having coated thereon a layer of a cross-linkable composition comprising a polymer selected from the group consisting of gelatin and poly(vinylacetoacetate), and 1,1''-tetramethylenedioxybis(4-methylpyridinium)dibromide as the cross-linking agent in an aMount sufficient to produce 0.1 to 10 percent by weight of aldehyde in the total composition upon decomposition with electromagnetic radiation.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-10-25 1975-04-26 1975-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-10-25 1979-04-26 1979-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-10-25 1983-04-26 1983-10-26 $7700.00 Window Closed / Lapsed

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