Patent US3016398A successfully refreshed from Google Patents.
US3016398A
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Stabilized phytic acid solutions and methods of preparation thereof
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1959-04-06
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Granted: 1962-01-09
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Expires: 1979-04-06
Abstract
No abstract record available.
Inventors
- 👤 Roy F Larson
- 👤 David P Langlois
- 👤 Paul R Shildneck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:45
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/098; C07F9/117
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN THE PROCESS OF PREPARING A CONCENTRATED AQUEOUS SOLUTION OF PHYTIC ACID DERIVED FROM PHYTIN, THE IMPROVEMENT FOR STABILIZING THE COLOR OF THE CONCENTRATED ACID THAT COMPRISES THE STEP OF ADDING TO THE CONCENTRATED ACID A COLOR-STABILIZING AMOUNT OF THE COMBINATION OF (1) A NITRATE COMPOUND OF THE GROUP CONSISTING OF NITRIC ACID AND WATER-SOLUBLE COLORLESS NITRATE SALTS AND (2) A COLOR LESS, WATER-SOLUBLE, AMINO-GROUP-CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA, DIETHYLENE GLYCOL DISCARBAMATE, ALPHA-AMINO ACIDS, ALIPHATIC PRIMARY AMINES AND AMMONIA.
Claim 2
Dependent Claim
83 words
IN THE PROCESS OF PREPARING A CONCENTRATED AQUEOUS SOLUTION OF PHYTIC ACID DERIVED FROM PHYTIN, THE IMPROVEMENT FOR STABILIZING THE COLOR OF THE CONCENTRATED ACID THAT COMPRISES THE STEP OF ADDING TO THE CONCENTRATED ACID A COLOR-STABILIZING AMOUNT OF THE COMBINATION OF (1) A NITRATE COMPOUND OF THE GROUP CONSISTING OF NITRIC ACID AND WATER-SOLUBLE COLORLESS NITRATE SALTS AND (2) A COLOR LESS, WATER-SOLUBLE, AMINO-GROUP-CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA, DIETHYLENE GLYCOL DISCARBAMATE, ALPHA-AMINO ACIDS, ALIPHATIC PRIMARY AMINES AND AMMONIA.
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) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |