US3860501A
Expired / Lapsed
US
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Photosensitive copper (i) complexes and the use thereof in photographic development
Assignee: Eastman Kodak Co
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Filing: 1973-05-30
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Granted: 1975-01-14
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Expires: 1993-05-30
Abstract
Abstract A novel copper (I) complex having the formula
Inventors
- 👤 Henry J Gysling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:14
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; G; G03; G03C; G03C1/00; G03C1/72; G03C1/73; G03C1/735
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
18 words
The composition of claim 1 wherein the weight ratio of complex to binder is from 3:1 to 1:2.
Claim 2
Dependent Claim
52 words
A photographic element comprising a support and a photosensitive copper (I) complex having the formula Cu(P(OR)3)4BAr4 wherein R is alkyl containing from one to six carbon atoms or aryl containing from 6 to 12 carbon atoms and Ar is aryl containing from 6 to 12 carbon atoms in a hydrophilic polymeric binder.
Claim 3
Dependent Claim
18 words
The photographic element of claim 3 wherein the weight ratio of complex to binder is 3:1 to 1:2.
Claim 4
Dependent Claim
49 words
A photographic element comprising a support having inbibed therein a photosensitive copper (I) complex having the formula Cu(P(OR)3)4BAr4 wherein R is alkyl containing from one to six carbon atoms or aryl containing from 6 to 12 carbon atoms and Ar is aryl containing from 6 to 12 carbon atoms.
Claim 5
Dependent Claim
114 words
IN A PROCESS OF DEVELOPING AN IMAGE IN A LIGHT SENSITIVE ELEMENT COMPRISING A SUPPORT AND A LIGHT SENSITIVE COPPER MATERIAL IMBIBED INTO SAID SUPPORT OR DISPERSED IN A HYDROPHILIC POLYMERIC BINDER AND COATED ONTO SAID SUPPORT BY CONTACTING THE COPPER MATERIAL WITH A CHEMICAL DEVELOPER COMPRISING A REDUCING AGENT OR PHYSICAL DEVELOPER COMPRISING A METAL SALT AND A REDUCING AGENT THEREFOR THE IMPROVEMENT COMPRISING EMPLOYING AS SAID LIGHT SENSITIVE COPPER MATERIAL A LIGHT SENSITIVE COPPER (1) COMPLEX REPRESENTED BY THE FORMULA CU(P(OR)3)4BAR4 WHEREIN R IS ALKYL CONTAINING FROM ONE TO SIX CARBON ATOMS OR ARYL CONTAINING FROM 6 TO 12 CARBON ATOMS AND AR IS ARYL CONTAINING FROM 6 TO 12 CARBON ATOMS.
Claim 6
Dependent Claim
20 words
The process of claim 6 wherein R is alkyl containing from one to six carbon atoms and Ar is phenyl.
Claim 7
Dependent Claim
14 words
The process of claim 7 wherein the copper (I) complex has the formula Cu(P(OCH3)3)4B(C6H5)4.
Claim 8
Dependent Claim
14 words
The process of claim 7 wherein the copper (I) complex has the formula Cu(P(OC2H5)3)4B(C6H5)4.
Claim 9
Dependent Claim
98 words
In a process of developing an image in a light sensitive element comprising a support having coated thereon a light sensitive copper material by contacting the copper material with a chemical developer comprising a reducing agent or a physical developer comprising a metal salt and a reducing agent therefor, the improvement comprising imbibing into the support a solution of a copper (I) complex having the formula Cu(P(OR)3)4BAr4 wherein R is alkyl containing from one to six carbon atoms or aryl containing from 6 to 12 carbon atoms and Ar is aryl containing from 6 to 12 carbon atoms.
Claim 10
Dependent Claim
103 words
In a process of developing an image in a light sensitive element comprising a support having coated thereon a light sensitive copper material by contacting the copper material with a chemical developer comprising a reducing agent or physical developer comprising a metal salt and a reducing agent therefor the improvement comprising coating the support with a copper (I) complex having the formula Cu(P(OR)3)4BAr4 whrein R is alkyl containing from one to six carbon atoms or aryl containing from 6 to 12 carbon atoms and Ar is aryl containing from 6 to 12 carbon atoms, in a hydrophilic binder, and subsequently developing an image.
Claim 11
Dependent Claim
12 words
The process of claim 11 wherein the hydrophilic binder is cellulose acetate.
Claim 12
Dependent Claim
25 words
The process of claim 6 wherein the latent image is developed in a physical development bath comprising a metal salt and a reducing agent therefor.
Claim 13
Dependent Claim
19 words
The process of claim 13 wherein the physical development bath contains a copper salt and a reducing agent therefor.
Claim 14
Dependent Claim
19 words
The process of claim 13 wherein the physical development bath contains a nickel salt and a reducing agent therefor.
Claim 15
Dependent Claim
20 words
The process of claim 6 wherein the latent image is developed in a chemical development bath comprising a reducing agent.
Claim 16
Dependent Claim
12 words
The process of claim 16 wherein the chemical development bath contains paraformaldehyde.
Claim 17
Dependent Claim
39 words
The process of claim 6 wherein subsequent to developing the image, the unexposed portions of the coated support are imagewise exposed to actinic light and the resulting second latent image is chemically or physically developed to an additional image.
Claim 18
Independent Claim
147 words
A method of forming a printed circuit comprising A. (1) dispersing into a hydrophilic polymeric binder a copper (I) complex having the formula Cu(P(OR)3)4BAr4 wherein R is alkyl from one to six carbon atoms or aryl containing from 6 to 12 carbon atoms and Ar is aryl containing from 6 to 12 carbon atoms or (2) imbibing a support with a copper (I) complex having the formula Cu(P(OR)3)4BAr4 wherein R is alkyl from one to six carbon atoms or aryl containing from 6 to 12 carbon atoms and Ar is aryl containing from 6 to 12 carbon atoms, B. imagewise exposing the coated support to actinic light and C. physically developing metal on the exposed areas from a physical development bath comprising a metal salt and a reducing agent thErefor and D. electroplating additional metal over the physically developed metal image to build up the metal layer.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |