US2622036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the treatment of
Assignee: —
•
Filing: —
•
Granted: 1952-12-16
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Expires: 1969-12-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:31
CPC Classifications
D; D01; D01F; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/18; C; C08; C08J; C08J5/00; C08J5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR THE TREATMENT OF PROTEIN MATERIALS OF HIGH CYSTINE CONTENT WHICH COMPRISES OXIDISING A PROTEIN MATERIAL OF HIGH CRYSTINE CONTENT WITH A SOLUTION OF A SATURATED PER-ALIPHATIC ACID HAVING UP TO FOUR CARBON ATOMS IN THE MOLECULE TO DISRUPT THE DISULFIDE BONDS OF SAID PROTEIN MATERIAL WITHOUT SUBSTANTIALLY ATTACKING THE REMAINDER OF THE PROTEIN MOLECULE AND DISSOLVING AT LEAST A PART OF OXIDISED PRODUCT THUS OBTAINED IN A SOLVENT.
Claim 2
Dependent Claim
71 words
A PROCESS FOR THE TREATMENT OF PROTEIN MATERIALS OF HIGH CYSTINE CONTENT WHICH COMPRISES OXIDISING A PROTEIN MATERIAL OF HIGH CRYSTINE CONTENT WITH A SOLUTION OF A SATURATED PER-ALIPHATIC ACID HAVING UP TO FOUR CARBON ATOMS IN THE MOLECULE TO DISRUPT THE DISULFIDE BONDS OF SAID PROTEIN MATERIAL WITHOUT SUBSTANTIALLY ATTACKING THE REMAINDER OF THE PROTEIN MOLECULE AND DISSOLVING AT LEAST A PART OF OXIDISED PRODUCT THUS OBTAINED IN A SOLVENT.
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) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |