Claims
- 1. A method for manufacturing a vaccine for the prevention of disease caused by feline leukemia virus which comprises culturing at least 10.sup.7 feline lymphoblastoid cells chronically infected with FELV of low infectivity and thereby having viral associated antigen on their surface, inactivating said cells by chemical or physical irradiation or thermal means without destroying immunogenicity, and harvesting the cells.
Priority Claims (1)
Number |
Date |
Country |
Kind |
43642/73 |
Sep 1973 |
UK |
|
Parent Case Info
This is a continuation, of application Ser. No. 668,110, filed Mar. 18, 1976, which is a Divisional of U.S. Pat. No. 3,966,907, issued on application Ser. No. 505,625 filed Sept. 13, 1974.
US Referenced Citations (4)
Number |
Name |
Date |
Kind |
3520972 |
Smith et al. |
Jul 1970 |
|
3709782 |
Smith et al. |
Jan 1973 |
|
3966907 |
Jarrett et al. |
Jun 1976 |
|
4034081 |
Jarrett et al. |
Jul 1977 |
|
Divisions (1)
|
Number |
Date |
Country |
Parent |
505625 |
Sep 1974 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
668110 |
Mar 1976 |
|