Patent US3181997A successfully refreshed from Google Patents.
US3181997A
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Process for preparing purified solutions of kallikrein inactivator
Assignee: Bayer AG
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Filing: 1962-09-20
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Granted: 1965-05-04
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Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 Schultz Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:23
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/81; C07K14/8107; C07K14/811; A; A61; A61K; A61K38/00; A61K38/16; A61K38/55; A61K38/57; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/837; Y10S530/843; Y10S530/848; Y10S530/854
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
112 words
IN THE PROCESS OF PREPARING SUBSTANTIALLY PURE SOLUTIONS OF KALLIKREIN INACTIVATOR, THE STEP WHICH COMPRISES EXTRACTING ANIMAL ORGAN-CONTAINING KALLIKREIN INACTIVATOR WITH A SOLUTION OF UP TO 20% OF AN INORGANIC SALT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALINE EARTH METALS, ZINC CADMIUM, MERCURY, ALUMINUM, TITANIUM, TIN, LEAD, ARSENIC, ANTIMONY, BISMUTH, COPPER, CHROMIUM, MOLYBDENUM TUNGSTEN, URANIUM, SELENIUM, TELLURIUM, MANGANSES, IRON, COBALT, NICKEL AND AMMONIUM AT A TEMPERATURE RANGING FROM 0 TO 90*C. FOR FROM 5 MINUTES TO 24 HOURS, SAID SOLUTION BEING FORMED BY DISSOLVING SAID SALT IN A MEMBER SELECTED FROM THE GROUP CONSISTING OF WATER, WATER-MISCIBLE ORGANIC SOLVENTS AND AQUEOUS SOLUTIONS CONTAINING A WATER-MISCIBLE ORGANIC SOLVENT.
Claim 2
Dependent Claim
112 words
IN THE PROCESS OF PREPARING SUBSTANTIALLY PURE SOLUTIONS OF KALLIKREIN INACTIVATOR, THE STEP WHICH COMPRISES EXTRACTING ANIMAL ORGAN-CONTAINING KALLIKREIN INACTIVATOR WITH A SOLUTION OF UP TO 20% OF AN INORGANIC SALT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALINE EARTH METALS, ZINC CADMIUM, MERCURY, ALUMINUM, TITANIUM, TIN, LEAD, ARSENIC, ANTIMONY, BISMUTH, COPPER, CHROMIUM, MOLYBDENUM TUNGSTEN, URANIUM, SELENIUM, TELLURIUM, MANGANSES, IRON, COBALT, NICKEL AND AMMONIUM AT A TEMPERATURE RANGING FROM 0 TO 90*C. FOR FROM 5 MINUTES TO 24 HOURS, SAID SOLUTION BEING FORMED BY DISSOLVING SAID SALT IN A MEMBER SELECTED FROM THE GROUP CONSISTING OF WATER, WATER-MISCIBLE ORGANIC SOLVENTS AND AQUEOUS SOLUTIONS CONTAINING A WATER-MISCIBLE ORGANIC SOLVENT.
Claim 3
Dependent Claim
23 words
A PHARMACEUTICAL PREPARATION COMPRISING A SUBSTANTIALLY STABILIZED AQUEOUS SOLUTION OF A MATERIAL CAPABLE OF INACTIVATING KALLIKREIN PRODUCED BY THE PROCESS OF CLAIM 1.
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) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |