Patent US2525792A successfully refreshed from Google Patents.
US2525792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acylated protein and method for making same
Assignee: Individual
•
Filing: 1947-07-08
•
Granted: 1950-10-17
•
Expires: 1967-07-08
Abstract
No abstract record available.
Inventors
- 👤 William G Gordon
- 👤 Richard W Jackson
- 👤 Alfred E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:01
CPC Classifications
C; C08; C08L; C08L89/00; C07; C07K; C07K1/00; C07K1/107; C07K1/1072; C07K1/1077; C07K14/00; C07K14/435; C07K14/46; C07K14/47; C07K14/4701; C07K14/4732; C08H; C08H1/00; C08H1/02; C08L89/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PROCESS OF PREPARING A PROTEIN DERIVATIVE WHICH IS COMPLETELY SOLUBLE IN WARM, DILUTE AQUEOUS ALKALI, COMPRISING REACTING AN AQUEOUS ALKALINE SOLUTION OF A PROTEIN MATERIAL WITH THE CHLORIDE OF AN ALIPHATIC HIGHER FATTY ACID CONTAINING FROM 8 TO 18 CARBON ATOMS, PRECIPITATING THE FORMED ACYLATED PROTEIN DERIVATIVE BY ACIDIFYING THE RESULTING SOLUTION, AND RECOVERING THE ACYLATED PROTEIN DERIVATIVE.
Claim 2
Dependent Claim
59 words
A PROCESS OF PREPARING A PROTEIN DERIVATIVE WHICH IS COMPLETELY SOLUBLE IN WARM, DILUTE AQUEOUS ALKALI, COMPRISING REACTING AN AQUEOUS ALKALINE SOLUTION OF A PROTEIN MATERIAL WITH THE CHLORIDE OF AN ALIPHATIC HIGHER FATTY ACID CONTAINING FROM 8 TO 18 CARBON ATOMS, PRECIPITATING THE FORMED ACYLATED PROTEIN DERIVATIVE BY ACIDIFYING THE RESULTING SOLUTION, AND RECOVERING THE ACYLATED PROTEIN DERIVATIVE.
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) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |