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Patent US2535313A successfully refreshed from Google Patents.
US2535313A
Expired / Lapsed
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Preparation of flour bleaching compositions
Assignee: General Foods Corp
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Filing: 1946-02-18
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Granted: 1950-12-26
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Expires: 1966-02-18
Abstract
No abstract record available.
Inventors
- 👤 William A Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:03
CPC Classifications
A; A21; A21D; A21D2/00; A21D2/08; A21D2/14; A21D2/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE PROCESS OF PREPARING A FINELY DIVIDED BLEACHING COMPOSITION FOR DRY ADMIXTURE WITH FLOUR TO BE BLEACHED WHICH COMPRISES FORMING A SOLUTION OF BENZOYL PEROXIDE, DILUTING THE SOLUTION WITH A PRECIPITANT FOR BENZOYL PEROXIDE WHICH IS MISCIBLE WITH THE PERIOXIDE SOLVENT WHILE SUSPENDING FINELY DIVIDED STARCHY MATERIAL IN THE LIQUID MIXTURE TO CAUSE PRECIPITATION OF THE PEROXIDE IN THE PRESENCE OF THE SUSPENDED STARCHY MATERIAL, AND THEN SEPARATING THE STARCHY MATERIAL AND THE PRECIPITATED PEROXIDE FROM THE LIQUID SUSPENSION AND DRYING THE SAME.
Claim 2
Dependent Claim
83 words
THE PROCESS OF PREPARING A FINELY DIVIDED BLEACHING COMPOSITION FOR DRY ADMIXTURE WITH FLOUR TO BE BLEACHED WHICH COMPRISES FORMING A SOLUTION OF BENZOYL PEROXIDE, DILUTING THE SOLUTION WITH A PRECIPITANT FOR BENZOYL PEROXIDE WHICH IS MISCIBLE WITH THE PERIOXIDE SOLVENT WHILE SUSPENDING FINELY DIVIDED STARCHY MATERIAL IN THE LIQUID MIXTURE TO CAUSE PRECIPITATION OF THE PEROXIDE IN THE PRESENCE OF THE SUSPENDED STARCHY MATERIAL, AND THEN SEPARATING THE STARCHY MATERIAL AND THE PRECIPITATED PEROXIDE FROM THE LIQUID SUSPENSION AND DRYING THE SAME.
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) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |