US2733155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing ink varnish
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:11
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
AN INK VARNISH CONSISTING ESSENTIALLY OF A SALT OF A WATER-INSOLUBLE RESIN HAVING AN ACID NUMBER OF AT LEAST 90 AND A BASE HAVING A BASIC DISSOCIATION CONSTANT GREATER THAN 1X10-5 WHICH BASE IS A MEMBER OF THE GROUP CONSISTING OF SODIUM HYDROXIDE, POTASSIUM HYDROXIDE AND A NUTROGENOUS BASE CONTAINING NO OTHER ELEMENTS THAN NITROGEN, HYDROGEN, CARBON AND OXYGEN, SAID SALT BEING DISSOLVED IN A CONCENTRATION OF FROM ABOUT 20% TO ABOUT 75% BY WEIGHT IN A LIQUID VEHICLE OF THE CLASS CONSISTING OF AN AQUEOUS SOLUTION OF UREA IN WHICH THE UREA IS IN A CONCENTRATION OF FROM ABOUT 20% TO ABOUT 60% BY WEIGHT AND MIXTURE OF SUCH AN AQUEOUS UREA SOLUTION WITH UP TO ABOUT 1 PART BY WEIGHT OF AT LEAST ONE NEUTRAL WATER-MISCIBLE ALIPHATIC ORGANIC SOLVENT BEING SELECTED FROM THE UREA SOLUTION, SAID ORGANIC SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF MONOHYDYROXY ALCOHOLS AND GLYCOLS, ALIPHATIC ETHERS OF GLYCOLS AND ALIPHATIC ESTERS OF GLYCOLS WHICH GLYCOLS, ETHERS OF GLYCOLS AND ESTERS OF GLYCOLS CONTAIN FROM 2 TO 8 CARBON ATOMS AND ONLY CARBON, HYDROGEN AND OXYGEN.
Claim 2
Dependent Claim
182 words
AN INK VARNISH CONSISTING ESSENTIALLY OF A SALT OF A WATER-INSOLUBLE RESIN HAVING AN ACID NUMBER OF AT LEAST 90 AND A BASE HAVING A BASIC DISSOCIATION CONSTANT GREATER THAN 1X10-5 WHICH BASE IS A MEMBER OF THE GROUP CONSISTING OF SODIUM HYDROXIDE, POTASSIUM HYDROXIDE AND A NUTROGENOUS BASE CONTAINING NO OTHER ELEMENTS THAN NITROGEN, HYDROGEN, CARBON AND OXYGEN, SAID SALT BEING DISSOLVED IN A CONCENTRATION OF FROM ABOUT 20% TO ABOUT 75% BY WEIGHT IN A LIQUID VEHICLE OF THE CLASS CONSISTING OF AN AQUEOUS SOLUTION OF UREA IN WHICH THE UREA IS IN A CONCENTRATION OF FROM ABOUT 20% TO ABOUT 60% BY WEIGHT AND MIXTURE OF SUCH AN AQUEOUS UREA SOLUTION WITH UP TO ABOUT 1 PART BY WEIGHT OF AT LEAST ONE NEUTRAL WATER-MISCIBLE ALIPHATIC ORGANIC SOLVENT BEING SELECTED FROM THE UREA SOLUTION, SAID ORGANIC SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF MONOHYDYROXY ALCOHOLS AND GLYCOLS, ALIPHATIC ETHERS OF GLYCOLS AND ALIPHATIC ESTERS OF GLYCOLS WHICH GLYCOLS, ETHERS OF GLYCOLS AND ESTERS OF GLYCOLS CONTAIN FROM 2 TO 8 CARBON ATOMS AND ONLY CARBON, HYDROGEN AND OXYGEN.
References Cited (Backward Citations)
US2128599A
Cited
US2245100A
Cited
US2436954A
Cited
US2450959A
Cited
GB599232A
Cited
US2540776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |