US3313233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of lacquering planographic printing plates
Assignee: Azoplate Corp
•
Filing: 1962-12-06
•
Granted: 1967-04-11
•
Expires: 1982-12-06
Abstract
No abstract record available.
Inventors
- 👤 Uhlig Fritz
- 👤 Rebenstock August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:06
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/04; C09D161/06; C08; C08G; C08G8/00; C08G8/28; C08G8/32; B; B41; B41N; B41N3/00; B41N3/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
130 words
A PROCESS FOR IMPROVING A PLANOGRAPHIC PRINTING PLATE HAVING A HYDOPHILIC SUPPORT AND A LIGHT-EXPOSED LAYER THEREON CONSISTING ESSENTIALLY OF A DIAZO COMPOUND AND CONTAINING IMAGE-FREE AREAS AND OLEOPHILIC IMAGE AREAS, WHICH PROCESS COMPRISES TREATING THE LAYER WITH A LACQUER COMPRISING ABOUT 3 TO 20 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE LACQUER, OF A RESINOUS, WATER-INSOLUBLE, OLEOPHILIC FILM-FORMING SUBSTANCE IN SOLUTION IN A SOLVENT MIXTURE CAPABLE OF DISSOLVING THE IMAGE-FREE AREA OF THE LAYER AND CONTAINING ABOUT 40 TO 80 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE SOLVENT MIXTURE, OF A POLYHYDRIC ALIPHATIC ALCOHOL, WHEREBY THE RESINON SUBSTANCE ADHERES TO THE IMAGES AREAS, THE SOLVENT MIXTURE REMOVES THE IMAGE-FREE AREAS OF THE LAYER, AND THE POLYHYDRIC ALCOHOL MAINTAINS THE SUPPORT HYROPHILIC IN THE IMAGE-FREE AREAS.
Claim 2
Dependent Claim
130 words
A PROCESS FOR IMPROVING A PLANOGRAPHIC PRINTING PLATE HAVING A HYDOPHILIC SUPPORT AND A LIGHT-EXPOSED LAYER THEREON CONSISTING ESSENTIALLY OF A DIAZO COMPOUND AND CONTAINING IMAGE-FREE AREAS AND OLEOPHILIC IMAGE AREAS, WHICH PROCESS COMPRISES TREATING THE LAYER WITH A LACQUER COMPRISING ABOUT 3 TO 20 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE LACQUER, OF A RESINOUS, WATER-INSOLUBLE, OLEOPHILIC FILM-FORMING SUBSTANCE IN SOLUTION IN A SOLVENT MIXTURE CAPABLE OF DISSOLVING THE IMAGE-FREE AREA OF THE LAYER AND CONTAINING ABOUT 40 TO 80 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE SOLVENT MIXTURE, OF A POLYHYDRIC ALIPHATIC ALCOHOL, WHEREBY THE RESINON SUBSTANCE ADHERES TO THE IMAGES AREAS, THE SOLVENT MIXTURE REMOVES THE IMAGE-FREE AREAS OF THE LAYER, AND THE POLYHYDRIC ALCOHOL MAINTAINS THE SUPPORT HYROPHILIC IN THE IMAGE-FREE AREAS.
Claim 3
Dependent Claim
119 words
A PROCESS FOR IMPROVING A PLANOGRAPHIC PRINTING PLATE HAVING A HYDROPHILIC SUPPORT AND A LIGHT-EXPOSED LAYER THEREON CONTAINING IMAGE-FREE AREAS AND OLEOPHILIC IMAGE AREAS, WHICH PROCESS COMPRISES DEVELOPING THE LIGHTEXPOSED LAYER BY REMOVING THE IMAGE-FREE AREAS THEREOF AND APPLYING DIRECTLY TO THE SURFACE OF THE DEVELOPED PLATE A LACQUER COMPRISING ABOUT 3 TO 20 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE LACQUER, OF A RESINOUS, WATERINSOLUBLE, OLEOPHILIC FILM-FORMING SUBSTANCE IN SOLUTION IN A SOLVENT MIXTURE CONTAINING ABOUT 40 TO 80 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE SOLVENT MIXTURE, OF A POLYHYDRIC ALIPHATIC ALCOHOL, WHEREBY THE RESINOUS SUBSTANCE ADHERES TO THE IMAGE AREAS AND THE POLYHYDRIC ALCOHOL MAINTAINS THE SUPPORT HYDROPHILIC IN THE IMAGEFREE AREAS.
Claim 4
Dependent Claim
119 words
A PROCESS FOR IMPROVING A PLANOGRAPHIC PRINTING PLATE HAVING A HYDROPHILIC SUPPORT AND A LIGHT-EXPOSED LAYER THEREON CONTAINING IMAGE-FREE AREAS AND OLEOPHILIC IMAGE AREAS, WHICH PROCESS COMPRISES DEVELOPING THE LIGHTEXPOSED LAYER BY REMOVING THE IMAGE-FREE AREAS THEREOF AND APPLYING DIRECTLY TO THE SURFACE OF THE DEVELOPED PLATE A LACQUER COMPRISING ABOUT 3 TO 20 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE LACQUER, OF A RESINOUS, WATERINSOLUBLE, OLEOPHILIC FILM-FORMING SUBSTANCE IN SOLUTION IN A SOLVENT MIXTURE CONTAINING ABOUT 40 TO 80 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE SOLVENT MIXTURE, OF A POLYHYDRIC ALIPHATIC ALCOHOL, WHEREBY THE RESINOUS SUBSTANCE ADHERES TO THE IMAGE AREAS AND THE POLYHYDRIC ALCOHOL MAINTAINS THE SUPPORT HYDROPHILIC IN THE IMAGEFREE AREAS.
References Cited (Backward Citations)
US2196435A
Cited
US1740061A
Cited
US1633337A
Cited
US1951943A
Cited
US2258956A
Cited
US2483468A
Cited
US2537531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |