Patent US3650265A successfully refreshed from Google Patents.
Patent US3763135A successfully refreshed from Google Patents.
US3763135A
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Gamma globulin production from cohn fraction iii using polyethylene glycol
Assignee: Baxter International Inc
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Filing: 1971-11-08
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Granted: 1973-10-02
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Expires: 1991-11-08
Abstract
Abstract THE METHOD OF PREPARING A GAMMA GLOBULIN CONCENTRATE IN HIGH YIELD AND PURITY AND SUITABLE FOR INTRAVENOUS ADMINISTRATION CONSISTING OF THE MULTIPLE FRACTIONATION OF COHN PLASMA FRACTION III WITH POLYETHYLENE GLYCOL 4,000 AT A SERIES OF PREDETERMINED INCREASING CONCENTRATION AND UNDER SELECTED PH CONDITIONS.
Inventors
- 👤 E Shanbrom
- 👤 M Hainski
- 👤 J Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:21
CPC Classifications
C; C07; C07K; C07K16/00; C07K16/06; C07K16/065; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/829; Y10S530/83; Y10S530/831
Claims Analysis
Total Claims: 0
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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) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |