US2597865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finishing varnish for application over lithographic ink
Assignee: Primerica Inc
•
Filing: 1948-04-08
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Granted: 1952-05-27
•
Expires: 1968-04-08
Abstract
No abstract record available.
Inventors
- 👤 Paul W Greubel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:25
CPC Classifications
B; B41; B41M; B41M7/00; B41M7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A FINISHING VARNISH FOR APPLICATION OVER WET LITHOGRAPHIC INK, SAID FINISHING VARNISH CONSISTING OF AN ORGANIC SOLVENT SOLUBLE CONDENSATION PRODUCT OF AN AMINE AND AN ALDEHYDE AS A FILM FORMING INGREDIENT, AND A VOLATILE ORGANIC SOLVENT MIXTURE FOR SAID INGREDIENT, SAID MIXTURE BEING MISCIBLE WITH THE INK VEHICLE AND CONTAINING FROM 1 TO 17% BY WEIGHT BASED ON THE FINISHED VARNISH OF ETHYLENE GLYCOL AS AN INK PIGMENT FLOCCULATING AGENT AND SUFFICIENT COUPLING AGENT SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED MONOHYDRIC ALKANOLS HAVING FROM 4 TO 8 CARBON ATOMS AND GLYCOL MONOETHERS HAVING FROM 2 TO 4 CARBON ATOMS IN THE GLYCOL PORTION OF THE MOLECULE AND HAVING ONE FREE HYDROXYL GROUP AND THE OTHER HYDROXYL GROUP ETHERIFIED WITH AN ALIPHATIC HYDROCARBON SUBSTITUENT HAVING FROM 2 TO 4 CARBON ATOMS TO MAINTAIN THE INGREDIENTS IN A SINGLE LIQUID PHASE.
Claim 2
Dependent Claim
140 words
A FINISHING VARNISH FOR APPLICATION OVER WET LITHOGRAPHIC INK, SAID FINISHING VARNISH CONSISTING OF AN ORGANIC SOLVENT SOLUBLE CONDENSATION PRODUCT OF AN AMINE AND AN ALDEHYDE AS A FILM FORMING INGREDIENT, AND A VOLATILE ORGANIC SOLVENT MIXTURE FOR SAID INGREDIENT, SAID MIXTURE BEING MISCIBLE WITH THE INK VEHICLE AND CONTAINING FROM 1 TO 17% BY WEIGHT BASED ON THE FINISHED VARNISH OF ETHYLENE GLYCOL AS AN INK PIGMENT FLOCCULATING AGENT AND SUFFICIENT COUPLING AGENT SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED MONOHYDRIC ALKANOLS HAVING FROM 4 TO 8 CARBON ATOMS AND GLYCOL MONOETHERS HAVING FROM 2 TO 4 CARBON ATOMS IN THE GLYCOL PORTION OF THE MOLECULE AND HAVING ONE FREE HYDROXYL GROUP AND THE OTHER HYDROXYL GROUP ETHERIFIED WITH AN ALIPHATIC HYDROCARBON SUBSTITUENT HAVING FROM 2 TO 4 CARBON ATOMS TO MAINTAIN THE INGREDIENTS IN A SINGLE LIQUID PHASE.
References Cited (Backward Citations)
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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) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |