US2734017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of hydro-
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:31
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/16; A61K38/17; A61K38/22; A61K38/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A PROCESS FOR THE PRODUCTION OF BIOLOGICALLY ACTIVE HYDROLYZED PRODUCTS OF COMPARATIVELY LOW MOLECULAR WEIGHT FROM THE CHORIONIC GONADOTROPIN HORMONE, COMPRISING THE STEPS OF SUBJECTING A LIQUID CONTAINING SAID HORMONE TO THE ACTION OF A PROTEOLYTIC ENZYME IN A HYDROLYZING ZONE CIRCUMSCRIBED BY AN EXTERNAL LIQUID, WITH INTERPOSITION BETWEEN SAID ZONE AND SAID EXTERNAL LIQUID OF A DIALYTIC MEMBRANE, WHEREBY THE LIQUID IN SAID HYDROLYZING ZONE CONSTITUTES THE INTERNAL LIQUID, AND SIMULTANEOUSLY DIALYZING THE HYDROLYZED PRODUCTS FROM SAID INTERNAL LIQUID THROUGH SAID DIALYTIC MEMBRANE INTO THE EXTERNAL LIQUID, AND THEN ISOLATING THE OBTAINED HYDROLYZED PRODUCTS FROM THE DIALYSATE.
Claim 2
Dependent Claim
98 words
A PROCESS FOR THE PRODUCTION OF BIOLOGICALLY ACTIVE HYDROLYZED PRODUCTS OF COMPARATIVELY LOW MOLECULAR WEIGHT FROM THE CHORIONIC GONADOTROPIN HORMONE, COMPRISING THE STEPS OF SUBJECTING A LIQUID CONTAINING SAID HORMONE TO THE ACTION OF A PROTEOLYTIC ENZYME IN A HYDROLYZING ZONE CIRCUMSCRIBED BY AN EXTERNAL LIQUID, WITH INTERPOSITION BETWEEN SAID ZONE AND SAID EXTERNAL LIQUID OF A DIALYTIC MEMBRANE, WHEREBY THE LIQUID IN SAID HYDROLYZING ZONE CONSTITUTES THE INTERNAL LIQUID, AND SIMULTANEOUSLY DIALYZING THE HYDROLYZED PRODUCTS FROM SAID INTERNAL LIQUID THROUGH SAID DIALYTIC MEMBRANE INTO THE EXTERNAL LIQUID, AND THEN ISOLATING THE OBTAINED HYDROLYZED PRODUCTS FROM THE DIALYSATE.
References Cited (Backward Citations)
US2196295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |