Patent US2525433A successfully refreshed from Google Patents.
US2525433A
Expired / Lapsed
US
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Inks
Assignee: JM Huber Corp
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Filing: 1947-09-23
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Granted: 1950-10-10
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Expires: 1967-09-23
Abstract
No abstract record available.
Inventors
- 👤 Voet Andries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:42
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN INK CONSISTING ESSENTIALLY OF A WATERMISCIBLE NEUTRAL ALIPHATIC SOLVENT CONTAINING 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, A PIGMENT IN THE PROPORTION OF FROM ABOUT 2% TO ABOUT 60% BY WEIGHT BASED ON THE SOLVENT, AND LIGNIN IN THE PROPORTION OF FROM 1 PART TO ABOUT 5 PARTS BY WEIGHT TO EACH PART OF PIGMENT.
Claim 2
Dependent Claim
76 words
AN INK CONSISTING ESSENTIALLY OF A WATERMISCIBLE NEUTRAL ALIPHATIC SOLVENT CONTAINING 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, A PIGMENT IN THE PROPORTION OF FROM ABOUT 2% TO ABOUT 60% BY WEIGHT BASED ON THE SOLVENT, AND LIGNIN IN THE PROPORTION OF FROM 1 PART TO ABOUT 5 PARTS BY WEIGHT TO EACH PART OF PIGMENT.
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) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |