Process for producing phytic acid
Abstract
Abstract PHYTIC ACID IS OBTAINED BY EXTRACTING PHYTIN FROM CEREALS, BRANS, GLUTENS, EMBRYOS, PLANT SEEDS AND/OR THEIR DEFATTED SEDIMENTS WITH A DILUTE AQUEOUS SOLUTION OF AN ACID, PRECIPITATING THE PHYTIN BY ADDING AN ALKALINE SUBSTANCE SO AS TO ADJUST THE PH OF THE EXTRACT TO THE ALKALINE SIDE, FILTERING AND DISPERSING IT IN WATER, TREATING THE DISPERSION WITH A CATION EXCHANGE RESIN AND THEN WITH A WEAK ANION EXCHANGE RESN, AND CONCENTRATING IT. THE PHYTIC ACID THUS OBTAINED IS USEFUL AS A METAL-INACTIVATOR IN FATS AND OLS, A STABILIZER OF VARIOUS FOODS AND FOOD PRODUCTS, A STABILIZER OF VITAMINS, SOFTENER OF WATER, AN ANTIOXIDANT OF FATS AND OILS, A CORROSION INHIBITOR FOR MANY METALS AND AS AN ADDITIVE IN FERMENTATION.
Inventors
- 👤 Goro Kimura
- 👤 Eiichi Noda
- 👤 Hisagi Zushi
- 👤 Hideaki Takeuchi
- 👤 Koji Tsukushiro
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |