US2533004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrin clots and methods for preparing the same
Assignee: Individual
•
Filing: 1943-10-27
•
Granted: 1950-12-05
•
Expires: 1963-10-27
Abstract
No abstract record available.
Inventors
- 👤 John D Ferry
- 👤 Peter R Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:27
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/16; A61K38/17; A61K38/36; A61K38/363; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/829; Y10S530/83
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A METHOD FOR FORMING NEW COMPOSITIONS OF MATTER WHICH COMPRISES THE FOLOWING STEPS, PREPARING A BLOOD PROTEIN SOLUTION CONTAINING FIBRINOGEN IN EXCESS OF 10% OF THE TOTAL PROTEIN, SAID SOLUTION CONTAINING AT LEAST 0.5% FIBRINOGEN, ADDING TO THE SOLUTION A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOLS AND STARCHES, AND CONVERTING THE FIBRINOGEN INTO FIBRIN, BY ADDING THROMBIN TO SAID SOLUTION TO FORM A FIBRIN CLOT.
Claim 2
Independent Claim
68 words
A METHOD FOR FORMING NEW COMPOSITIONS OF MATTER WHICH COMPRISES THE FOLOWING STEPS, PREPARING A BLOOD PROTEIN SOLUTION CONTAINING FIBRINOGEN IN EXCESS OF 10% OF THE TOTAL PROTEIN, SAID SOLUTION CONTAINING AT LEAST 0.5% FIBRINOGEN, ADDING TO THE SOLUTION A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOLS AND STARCHES, AND CONVERTING THE FIBRINOGEN INTO FIBRIN, BY ADDING THROMBIN TO SAID SOLUTION TO FORM A FIBRIN CLOT.
References Cited (Backward Citations)
US1593814A
Cited
US2241868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |