Patent US3903254A successfully refreshed from Google Patents.
US3903254A
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Separation of erythrocyte stroma from lysing medium and hemoglobin with acrinol
Assignee: Pharmacia and Upjohn Co
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Filing: 1973-06-04
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Granted: 1975-09-02
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Expires: 1993-06-04
Abstract
Abstract A process for enhancing the separation of erythrocyte stroma from a suspension of erythrocyte lysing medium and hemoglobin which comprises A. LYSING ERYTHROCYTES AND B. CONTACTING THE LYSED ERYTHROCYTES WITH ACRINOL.
Inventors
- 👤 Donald A Dahlgren
- 👤 John W Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:57
CPC Classifications
C; C07; C07K; C07K16/00; C07K16/06; C07K16/065; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/829; Y10S530/83; Y10T; Y10T436/00; Y10T436/10; Y10T436/107497; Y10T436/108331
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A PROCESS FOR ENCHANCING THE SEPERATING OF ERYTHROCYTE STROMA FROM A SUSPENSION OF ERYTHROCYTE LYSING MEDIUM AND HEMOGLOBIN WHICH COMPRISES A. LYSING ERYTHROCYTES AND B. CONTACTING THE LYSED ERYTHROCYTES WITH ACRINOL.
Claim 2
Dependent Claim
31 words
A PROCESS FOR ENCHANCING THE SEPERATING OF ERYTHROCYTE STROMA FROM A SUSPENSION OF ERYTHROCYTE LYSING MEDIUM AND HEMOGLOBIN WHICH COMPRISES A. LYSING ERYTHROCYTES AND B. CONTACTING THE LYSED ERYTHROCYTES WITH ACRINOL.
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) | 1978-09-01 | 1979-03-03 | 1979-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-01 | 1983-03-03 | 1983-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-01 | 1987-03-03 | 1987-09-02 | $7700.00 | Window Closed / Lapsed |