US2815360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of phytic acid
Assignee: Corn Products Refining Co
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Filing: 1955-07-18
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Granted: 1957-12-03
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Expires: 1975-07-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Baldwin
- 👤 Ludwig K Blatter
- 👤 Dudley M Gallagher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:27
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/117
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
PROCESS FOR THE PRODUCTION OF A STABLE AQUEOUS SOLUTION OF PHYTIC ACID FROM A PHYTATE FROM THE GROUP CONSISTING OF CALCIUM PHYTATE, MAGNESIUM PHYTATE, CALCIUM-MAGNESIUM PHYATE, AND MIXTURES THEREOF, COMPRISING CONTACTING AN AQUEOUS SLURRY OF SAID PHYTATE WITH A CATION EXCHANGE RESIN, OPERATING IN THE HYDROGEN CYCLE, FOR A PERIOD OF TIME SUFFICIENT TO SOLUBILIZE A SUBSTANTIAL PROPORTION OF SAID PHYTATE, AND STABILIZING THE RESULTANT PHYTIC ACID SOLUTION BY ADDING AN OXIDIZING AGENT TO THE SYSTEM ANY TIME AFTER CONTACT WITH THE RESIN; SAID OXIDIZING AGENT BEING AT LEAST ONE COMPOUND FROM THE GROUP CONSISTING OF SODIUM CHLORITE, NITRIC ACID, AND SODIU NITRITE.
Claim 2
Dependent Claim
103 words
PROCESS FOR THE PRODUCTION OF A STABLE AQUEOUS SOLUTION OF PHYTIC ACID FROM A PHYTATE FROM THE GROUP CONSISTING OF CALCIUM PHYTATE, MAGNESIUM PHYTATE, CALCIUM-MAGNESIUM PHYATE, AND MIXTURES THEREOF, COMPRISING CONTACTING AN AQUEOUS SLURRY OF SAID PHYTATE WITH A CATION EXCHANGE RESIN, OPERATING IN THE HYDROGEN CYCLE, FOR A PERIOD OF TIME SUFFICIENT TO SOLUBILIZE A SUBSTANTIAL PROPORTION OF SAID PHYTATE, AND STABILIZING THE RESULTANT PHYTIC ACID SOLUTION BY ADDING AN OXIDIZING AGENT TO THE SYSTEM ANY TIME AFTER CONTACT WITH THE RESIN; SAID OXIDIZING AGENT BEING AT LEAST ONE COMPOUND FROM THE GROUP CONSISTING OF SODIUM CHLORITE, NITRIC ACID, AND SODIU NITRITE.
References Cited (Backward Citations)
US2339164A
Cited
US2691035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |