Patent US2685601A successfully refreshed from Google Patents.
US2685601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of hydrolyzing proteins to amino acids
Assignee: STWB Inc
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Filing: 1950-04-06
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Granted: 1954-08-03
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Expires: 1970-04-06
Abstract
No abstract record available.
Inventors
- 👤 Johannes S Buck
- 👤 Lesuk Alex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:21
CPC Classifications
A; A23; A23J; A23J3/00; A23J3/30; A23J3/32; A23J3/34; A23J3/341; A23L; A23L33/00; A23L33/10; A23L33/17; A23L33/18; C; C07; C07K; C07K1/00; C07K1/12; C12; C12P; C12P21/00; C12P21/06; A23V; A23V2002/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE PROCESS FOR OBTAINING A PROTEIN HYDROLYSATE WHICH COMPRISES HEATING AT 100-170* C. A PROTEINACEOUS MATERIAL WITH AN AQUEOUS SOLUTION OF A MIXTURE OF HYPOPHOSPHOROUS ACID AND A STRONG MINERAL ACID OF THE GROUP CONSISTING OF HYDROCHLORIC ACID, SULFURIC ACID, AND PHOSPHORIC ACID, THE EQUIVALENT PROPORTION OF HYPOPHOSPHOROUS ACID IN SAID MIXTURE OF ACIDS BEING AT LEAST ABOUT 10%.
Claim 2
Dependent Claim
59 words
THE PROCESS FOR OBTAINING A PROTEIN HYDROLYSATE WHICH COMPRISES HEATING AT 100-170* C. A PROTEINACEOUS MATERIAL WITH AN AQUEOUS SOLUTION OF A MIXTURE OF HYPOPHOSPHOROUS ACID AND A STRONG MINERAL ACID OF THE GROUP CONSISTING OF HYDROCHLORIC ACID, SULFURIC ACID, AND PHOSPHORIC ACID, THE EQUIVALENT PROPORTION OF HYPOPHOSPHOROUS ACID IN SAID MIXTURE OF ACIDS BEING AT LEAST ABOUT 10%.
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) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |