US3235382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Presensitized foil for planographic and offset printing
Assignee: Kalle GmbH and Co KG
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Filing: 1963-04-01
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Granted: 1966-02-15
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Neugebauer Wilhelm
- 👤 Steppan Hartmut
- 👤 Rebenstock August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:48
CPC Classifications
C; C08; C08G; C08G2/00; C08G2/06; C08G12/00; C08G12/02; C08G12/04; C08G12/06; C08G12/08; C08G2/18; G; G03; G03F; G03F7/00; G03F7/004; G03F7/016; G03F7/021
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
96 words
A PRESENSITIZED PRINTING PLATE WHICH COMPRISES A NON-METALLIC SUPPORT HAVING A LIGHT-SENSITIVE LAYER THEREON, THE LATTER COMPRISING A CONDENSATION PRODUCT, CONDENSED IN A STRONGLY ACID MEDIUM, OF A DIPHENYLAMINE-4DIAZONIUM SALT WITH A COMPOUND CONTAINING A REACTIVE CARBONYL GROUP, AND AN EXCESS OF A STRONG ACID SELECTED FROM THE GROUP CONSISTING OF SULFURIC ACID, HYDROCHLORIC ACID, HYDROBROMIC ACID, NITRIC ACID, PERCHLORIC ACID, HYDROFLUOBORIC ACID, ALKYL PHOSPHONIC ACIDS, ORGANIC SULFONIC ACIDS, AMIDOSULFONIC ACIDS, SELENIC ACID, ARSENIC ACID, VINYLPHOSPHONIC ACID, AND HEXAFLUOROPHOSPHORIC ACID, IN A QUANTITY OF AT LEAST ONE EQUIVALENT WEIGHT OF ACID PER MOLE OF DIAZONIUM GROUPS.
Claim 2
Dependent Claim
96 words
A PRESENSITIZED PRINTING PLATE WHICH COMPRISES A NON-METALLIC SUPPORT HAVING A LIGHT-SENSITIVE LAYER THEREON, THE LATTER COMPRISING A CONDENSATION PRODUCT, CONDENSED IN A STRONGLY ACID MEDIUM, OF A DIPHENYLAMINE-4DIAZONIUM SALT WITH A COMPOUND CONTAINING A REACTIVE CARBONYL GROUP, AND AN EXCESS OF A STRONG ACID SELECTED FROM THE GROUP CONSISTING OF SULFURIC ACID, HYDROCHLORIC ACID, HYDROBROMIC ACID, NITRIC ACID, PERCHLORIC ACID, HYDROFLUOBORIC ACID, ALKYL PHOSPHONIC ACIDS, ORGANIC SULFONIC ACIDS, AMIDOSULFONIC ACIDS, SELENIC ACID, ARSENIC ACID, VINYLPHOSPHONIC ACID, AND HEXAFLUOROPHOSPHORIC ACID, IN A QUANTITY OF AT LEAST ONE EQUIVALENT WEIGHT OF ACID PER MOLE OF DIAZONIUM GROUPS.
Claim 3
Dependent Claim
107 words
A PROCESS FOR DEVELOPING A PRINTING PLATE WHICH COMPRISES EXPOSING A COATED NON-METALLIC BASE MATERIAL TO LIGHT UNDER A MASTER AND DEVELOPING THE RESULTING IMAGE, THE COATING COMPRISING A CONDENSATION PRODUCT, CONDENSED IN A STRONGLY ACID MEDIUM, OF A DIPHENYLAMINE4-DIAZONIUM SALT WITH A COMPOUND CONTAINING A REACTIVE CARBONYL GROUP, AND AN EXCESS OF A STRONG ACID SELECTED FROM THE GROUP CONSISTING OF SULFURIC ACID, HYDROCHLORIC ACID, HYDROBROMIC ACID, NITRIC ACID, PERCHLORIC ACID, HYDROFLUOBORIC ACID, ALKYL PHOSPHONIC ACIDS, ORGANIC SULFONIC ACIDS, AMIDOSULFONIC ACIDS, SELENIC ACID, ARSENIC ACID, VINYLPHOSPHONIC ACID, AND HEXAFLUOROPHOSPHORIC ACID, IN A QUANTITY OF AT LEAST ONE EQUIVALENT WEIGHT OF ACID PER MOLE OF DIAZONIUM GROUPS.
Claim 4
Dependent Claim
107 words
A PROCESS FOR DEVELOPING A PRINTING PLATE WHICH COMPRISES EXPOSING A COATED NON-METALLIC BASE MATERIAL TO LIGHT UNDER A MASTER AND DEVELOPING THE RESULTING IMAGE, THE COATING COMPRISING A CONDENSATION PRODUCT, CONDENSED IN A STRONGLY ACID MEDIUM, OF A DIPHENYLAMINE4-DIAZONIUM SALT WITH A COMPOUND CONTAINING A REACTIVE CARBONYL GROUP, AND AN EXCESS OF A STRONG ACID SELECTED FROM THE GROUP CONSISTING OF SULFURIC ACID, HYDROCHLORIC ACID, HYDROBROMIC ACID, NITRIC ACID, PERCHLORIC ACID, HYDROFLUOBORIC ACID, ALKYL PHOSPHONIC ACIDS, ORGANIC SULFONIC ACIDS, AMIDOSULFONIC ACIDS, SELENIC ACID, ARSENIC ACID, VINYLPHOSPHONIC ACID, AND HEXAFLUOROPHOSPHORIC ACID, IN A QUANTITY OF AT LEAST ONE EQUIVALENT WEIGHT OF ACID PER MOLE OF DIAZONIUM GROUPS.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |