US2862918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acylated, isolated, partially-hydrolyzed, soya protein and process
Assignee: Akzo Nobel Paints LLC
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Filing: 1956-03-12
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Granted: 1958-12-02
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Expires: 1976-03-12
Abstract
No abstract record available.
Inventors
- 👤 Edwin W Meyer
- 👤 Sidney J Circle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:52
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE METHOD OF ACYLATING ISOLATED ACID-PRECIPITABLE SOYA PROTEIN WHICH HAS BEEN PARTIALLY HYDROLYZED TO A STATE BEYOND THE INITIAL GEL STAGE WHEREBY TO PREPARE A MODIFIED PROTEIN EXHIBITING LOWER VISCOSITY WHEN MADE INTO AN AQUEOUS ALKALINE DISPERSION, SAID PROCESS CONSISTING OF REACTING CARBOXYLIC ACID ANHYDRIDE SELECTED FROM THE GROUP CONSISTING OF ACETIC ANHYDRIDE, PROPIONIC ANHYDRIDE, BENZOIC ACID ANHYDRIDE AND DICARBOXYLIC ACID ANHYDRIDES WITH A DILUTE AQUEOUS DISPERSION OF SAID ISOLATED PARTIALLY-HYDROLYZED PROTEIN WHILE CONTINUOUSLY MAINTAINING THE REACTION MENSTRUM ALKALINE.
Claim 2
Independent Claim
79 words
THE METHOD OF ACYLATING ISOLATED ACID-PRECIPITABLE SOYA PROTEIN WHICH HAS BEEN PARTIALLY HYDROLYZED TO A STATE BEYOND THE INITIAL GEL STAGE WHEREBY TO PREPARE A MODIFIED PROTEIN EXHIBITING LOWER VISCOSITY WHEN MADE INTO AN AQUEOUS ALKALINE DISPERSION, SAID PROCESS CONSISTING OF REACTING CARBOXYLIC ACID ANHYDRIDE SELECTED FROM THE GROUP CONSISTING OF ACETIC ANHYDRIDE, PROPIONIC ANHYDRIDE, BENZOIC ACID ANHYDRIDE AND DICARBOXYLIC ACID ANHYDRIDES WITH A DILUTE AQUEOUS DISPERSION OF SAID ISOLATED PARTIALLY-HYDROLYZED PROTEIN WHILE CONTINUOUSLY MAINTAINING THE REACTION MENSTRUM ALKALINE.
References Cited (Backward Citations)
US2525792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |