US2690973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing ink and varnish therefor
Assignee: JM Huber Corp
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Filing: 1952-04-17
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Granted: 1954-10-05
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Expires: 1972-04-17
Abstract
No abstract record available.
Inventors
- 👤 Voet Andries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:32
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
AN INK VARNISH CONSISTING ESSENTIALLY OF A LIQUID VEHICLE OF THE CLASS CONSISTING OF AT LEAST ONE ALIPHATIC ORGANIC SOLVENT OF THE CLASS CONSISTING OF NEUTRAL WATER-MISCIBLE GLYCOLS, ALIPHATIC ETHERS OF GLYCOLS AND ALIPHATIC ESTERS OF GLYCOLS WHICH GLYCOLS, ETHERS AND ESTERS CONTAIN FROM 2 TO 8 CARBON ATOMS AND ONLY CARBON, HYDROGEN AND OXYGEN AND IN WHICH LIGNIN IS SOLUBLE TO THE EXTENT OF AT LEAST 5% BY WEIGHT, AND MIXTURES OF SUCH ORGANIC SOLVENTS WITH UP TO ABOUT 2 PARTS BY WEIGHT OF WATER; FROM ABOUT 10% TO ABOUT 40% BY WEIGHT OF A LIGNIN SALT OF A NITROGENOUS BASE WHICH IS SOLUBLE IN WATER TO THE EXTENT OF AT LEAST 5% BY WEIGHT AND WHICH HAS A DISSOCIATION CONSTANT BETWEEN 1X10-3 AND 1X10-7; AND NOT MORE THAN 0.55 MILLIEQUIVALENTS PER GRAM OF LIGNIN IN THE LIGNIN SALT OF A FREE BASE HAVING A DISSOCIATION CONSTANT BETWEEN 1X10-3 AND 1X10-7 AND A VAPOR PRESSURE OF LESS THAN 17 MM. OF MERCURY AT 20* C.
Claim 2
Dependent Claim
166 words
AN INK VARNISH CONSISTING ESSENTIALLY OF A LIQUID VEHICLE OF THE CLASS CONSISTING OF AT LEAST ONE ALIPHATIC ORGANIC SOLVENT OF THE CLASS CONSISTING OF NEUTRAL WATER-MISCIBLE GLYCOLS, ALIPHATIC ETHERS OF GLYCOLS AND ALIPHATIC ESTERS OF GLYCOLS WHICH GLYCOLS, ETHERS AND ESTERS CONTAIN FROM 2 TO 8 CARBON ATOMS AND ONLY CARBON, HYDROGEN AND OXYGEN AND IN WHICH LIGNIN IS SOLUBLE TO THE EXTENT OF AT LEAST 5% BY WEIGHT, AND MIXTURES OF SUCH ORGANIC SOLVENTS WITH UP TO ABOUT 2 PARTS BY WEIGHT OF WATER; FROM ABOUT 10% TO ABOUT 40% BY WEIGHT OF A LIGNIN SALT OF A NITROGENOUS BASE WHICH IS SOLUBLE IN WATER TO THE EXTENT OF AT LEAST 5% BY WEIGHT AND WHICH HAS A DISSOCIATION CONSTANT BETWEEN 1X10-3 AND 1X10-7; AND NOT MORE THAN 0.55 MILLIEQUIVALENTS PER GRAM OF LIGNIN IN THE LIGNIN SALT OF A FREE BASE HAVING A DISSOCIATION CONSTANT BETWEEN 1X10-3 AND 1X10-7 AND A VAPOR PRESSURE OF LESS THAN 17 MM. OF MERCURY AT 20* C.
References Cited (Backward Citations)
US2449230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |