US2684909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zein ink vehicle
Assignee: TI Gotham Inc
•
Filing: 1951-09-11
•
Granted: 1954-07-27
•
Expires: 1971-09-11
Abstract
No abstract record available.
Inventors
- 👤 Robert M Leekley
- 👤 Morrison N Stiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:40
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A ZEIN INK VEHICLE COMPRISING BETWEEN ABOUT 5 AND 30% ZEIN DISSOLVED IN A SOLVENT CONSISTING ESSENTIALLY OF AT LEAST 24% OF AN OXYGEN-CONTAINING ALIPHATIC COMPOUND CONTAINING NO OTHER ELEMENT THAN CARBON, HYDROGEN, OXYGEN AND NITROGEN AND IN WHICH ZEIN IS SOLUBLE, WATER AND METHYL ETHER OF TRIPROPYLENE GLYCOL, METHYL ETHER OF TRIPROPYLENE GLYCOL BEING A NONSOLVENT FOR ZEIN AND BEING PRESENT IN A PROPORTION AT LEAST AS GREAT AS THE PROPORTION OF ZEIN SOLVENT AND THE WATER BEING PRESENT IN AN AMOUNT UP TO ABOUT 10%.
References Cited (Backward Citations)
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Cited
US2354393A
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US2115716A
Cited
US2153130A
Cited
US2185110A
Cited
US2355056A
Cited
US2433029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |