US3272639A
Expired / Lapsed
US
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Treatment of proteinaceous materials with peroxydisulfate salts
Assignee: Procter and Gamble Co
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Filing: 1963-01-02
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Granted: 1966-09-13
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Expires: 1983-01-02
Abstract
No abstract record available.
Inventors
- 👤 Donald H Slocum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:01
CPC Classifications
A; A23; A23L; A23L29/00; A23L29/20; A23L29/275; A23L29/281; A23L29/284; A21; A21D; A21D13/00; A21D13/20; A21D13/28; A21D2/00; A21D2/08; A21D2/24; A21D2/26; A23J; A23J3/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
A METHOD OF PRODUCING AN IRREVERSIBLE HEAT-SET GEL WHICH COMPRISES PREPARING AN AQUEOUS MEDIUM HAVING A PH BETWEEN ABOUT 2 AND ABOUT 12 WHICH CONTAINS (1) A COLLOIDAL DISPERSION OF FROM BOUT 3% TO ABOUT 10% OF A NON-HEAT-GELABLE PROTEIN AND (2) WATER-SOLUBLE PEROXYDISULFATE SALT IN AN AMOUNT OF FROM ABOUT 0.007 TO ABOUT 0.15 PART FOR EACH PART OF SAID PROTEIN; AND HEATING THE PROTEIN- AND SALT-CONTAINING MEDIUM TO A TEMPERATURE IN THE RANGE OF FROM ABOUT 90*C. TO ABOUT 100*C.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |