US3790385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive diazo copying composition and copying material produced therewith
Assignee: Kalle GmbH and Co KG
•
Filing: 1971-07-08
•
Granted: 1974-02-05
•
Expires: 1991-07-08
Abstract
Abstract This invention relates to a light-sensitive copying composition comprising a condensation product of a light-sensitive diazonium compound in admixture with the reaction product of an organic acid free of olefinic double bonds and an epoxide resin.
Inventors
- 👤 H Steppan
- 👤 F Uhlig
- 👤 R Giesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:15
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/016; G03F7/021; G03F7/0212; G03F7/0217; C; C08; C08F; C08F299/00; C08F299/02; C08F299/026; C08F299/028; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4064; C08G59/4071; C08G59/42; C08G59/62; C08G59/625
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
24 words
A copying composition according to claim 1 in which the epoxide resin has a molecular weight in the range of about 300 to 3,000.
Claim 2
Dependent Claim
19 words
A copying composition according to claim 1 in which the epoxide resin is derived from bisphenol A and epichlorohydrin.
Claim 3
Dependent Claim
31 words
A copying composition according to claim 1 in which the condensation product and the reaction product are present in a weight ratio of about 2 : 1 to 1 : 10.
Claim 4
Dependent Claim
25 words
A copying composition according to claim 1 including another resin in the quantity of 1 to 4 parts by weight per part of reaction product.
Claim 5
Dependent Claim
16 words
A copying composition according to claim 5 in which the other resin is a polyvinyl acetal.
Claim 6
Dependent Claim
15 words
A copying composition according to claim 1 in which the monovalent acid is benzoic acid.
Claim 7
Dependent Claim
15 words
A copying composition according to claim 1 in which the monovalent acid is salicyclic acid.
Claim 8
Dependent Claim
16 words
A copying composition according to claim 1 in which the monovalent acid is p-toluene sulfonic acid.
Claim 9
Dependent Claim
15 words
A copying composition according to claim 1 in which the monovalent acid is pyromellitic acid.
Claim 10
Dependent Claim
45 words
A light-sensitive copying composition comprising as the light-sensitive compound a condensation product comprising repeating units of each of the general types A-N2X and B which are linked by methylene groups, in which A is a radical of a compound of one of the general formulae
Claim 11
Dependent Claim
24 words
A copying composition according to claim 11 in which the epoxide resin has a molecular weight in the range of about 300 to 3,000.
Claim 12
Dependent Claim
19 words
A copying composition according to claim 11 in which the epoxide resin is derived from bisphenol A and epichlorohydrin.
Claim 13
Dependent Claim
31 words
A copying composition according to claim 11 in which the condensation product and the reaction product are present in a weight ratio of about 2 : 1 to 1 : 10.
Claim 14
Dependent Claim
25 words
A copying composition according to claim 11 including another resin in a quantity of 1 to 4 parts by weight per part of reaction product.
Claim 15
Dependent Claim
16 words
A copying composition according to claim 15 in which the other resin is a polyvinyl acetal.
Claim 16
Dependent Claim
15 words
A copying composition according to claim 11 in which the monovalent acid is benzoic acid.
Claim 17
Dependent Claim
15 words
A copying composition according to claim 11 in which the monovalent acid is salicylic acid.
Claim 18
Dependent Claim
16 words
A copying composition according to claim 11 in which the monovalent acid is p-toluene sulfonic acid.
Claim 19
Dependent Claim
15 words
A copying composition accoding to claim 11 in which the monovalent acid is pyromellitic acid.
Claim 20
Dependent Claim
93 words
A light-sensitive reproduction material comprising a support having a light-sensitive layer thereon, the latter including, as the light-sensitive compound, a condensation product of a polynuclear aromatic diazonium compound with an active carbonyl compound and, in admixture with said condensation product, the reaction product of a monovalent organic acid free of olefinic double bonds and selected from the group consisting of carboxylic acids, sulfonic acids, and phosphonic acids, and an epoxide resin the latter being a polyether containing free hydroxyl and terminal epoxide groups, in which reaction product substantially all epoxide groups are cleaved.
Claim 21
Dependent Claim
38 words
A reproduction material according to claim 21 including an intermediate adhesive layer obtained by treatment of the support with a phosphonic acid or a phosphonic acid derivative, with an alkali silicate or with a zirconium or titanium hexahalide.
Claim 22
Dependent Claim
16 words
A reproduction material according to claim 21 in which the support is suitable for planographic printing.
Claim 23
Dependent Claim
14 words
A reproduction material according to claim 21 in which the support is pretreated aluminum.
Claim 24
Dependent Claim
55 words
A light-sensitive reproduction material comprising a support having a light-sensitive layer thereon, the latter including as the light-sensitive compound, a condensation product comprising repeating units of each of the general types A-N2X and B which are linked by methylene groups, in which A is a radical of a compound of one of the general formulae
Claim 25
Dependent Claim
16 words
A reproduction material according to claim 25 in which the support is suitable for planographic printing.
Claim 26
Dependent Claim
14 words
A reproduction material according to claim 25 in which the support is pretreated aluminum.
Claim 27
Dependent Claim
38 words
A reproduction material according to claim 25 including an intermediate adhesive layer obtained by treatment of the support with a phosphonic acid or a phosphonic acid derivative, with an alkali silicate or with a zirconium or titanium hexahalide.
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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) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-04 | 1985-08-06 | 1986-02-05 | $7700.00 | Window Closed / Lapsed |