US2810656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zein water emulsion
Assignee: Corn Products Refining Co
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Filing: 1953-09-21
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Granted: 1957-10-22
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Expires: 1973-09-21
Abstract
No abstract record available.
Inventors
- 👤 Clifford J Mcdowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:13
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/50; C; C09; C09K; C09K23/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
A SUBSTANTIALLY NEUTRAL AQUEOUS ZEIN EMULSION OF THE THIN "OIL IN WATER" TYPE CONSISTING OF 100 PARTS OF ZEIN EMULSIFIED IN A MIXTURE OF AT LEAST ABOUT 40 PARTS OF A WATER INSOLUBLE PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF HYDROGENATED ROSIN, MIXTURE OF ORTHO AND PARA N-ETHYL TOLUENE SULFONAMIDES, TRICRESYL PHOSPHATE, OLEIC ACID, TALL OIL, XYLENE, AND BUTYL ACETATE, AND 10 TO 15 PARTS OF AMMONIUM SOAP, 10 TO 40 PARTS OF VOLATILE ORGANIC NON-ZEIN SOLVENT SELECTED FROM THE GROUP CONSISTING OF XYLENE, PROPYLENE GLYCOL AND BUTYL ACETATE AND 150 TO 200 PARTS OF WATER, SAID PARTS BEING BY WEIGHT.
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) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |