US3830909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the production of antiaustrialia antigen antiserum
Assignee: Tokyo Standard Serums Ltd
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Filing: 1971-11-08
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Granted: 1974-08-20
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Expires: 1991-11-08
Abstract
Abstract ANTI-AUSTRALIA ANTIGEN ANTISERUM IS PRODUCED BY IMMUNIZNG A WARM-BLOODED ANIMAL WITH A COMPLEX OF AUSTRALIA ANTIGEN AND ANTI-AUSTRALIA ANTIGEN ANTIBODY AND ABOSERBING THE IMMUNE SERUM OF THE IMMUNIZED ANIMAL WITH WATER-INSOLUBILIZED SERUM PROTEIN OF AUSTRALIA ANTIGEN NEGATIVE HUMAN SERUM. THUS-PRODUCED ANTISERUM CONTAINS ANTI-AUSTRALIA ANTIGEN ANTIBODY IN A TITER OF NOT LESS THAN 32 AND GIVES NO POSITIVE REACTION WITH AUSTRALIA ANTIGEN NEGATIVE HUMAN SERUM.
Inventors
- 👤 Z Hayakawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:08
CPC Classifications
C; C07; C07K; C07K16/00; C07K16/08; A; A61; A61K; A61K38/00; Y; Y10; Y10S; Y10S436/00; Y10S436/82; Y10S530/00; Y10S530/806; Y10S530/827; Y10S530/829; Y10S530/83
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |