| (11) | Number of the document | 48 |
| (21) | Number of the application | 94-0031 |
| (22) | Filing date of the application | 1993.11.12 |
| | Date of filing the request for examination | (de fond) 12.11.1993 |
| (71) | Name(s) of applicant(s), code of the country | TORAY INDUSTRIES INC., JP; |
| (72) | Name(s) of inventor(s), code of the country | Kazuo HOSOI, JP; Hitoshi OZAWA, JP; |
| (73) | Name(s) of owner(s), code of the country | TORAY INDUSTRIES INC., JP; |
| (54) | Title of the invention | Method for human b-interferon purification |
| (13) | Kind-of-document code | |
| (51) | International Patent Classification | A61K 38/21 (2006.01); C07K 14/565 (2006.01); |
| (19) | Country | JP |
| (45) | Date of publication of patent granting decision: | 1994.08.31 |
| (47) | Date of issuance of patent | 1994.11.22 |
| (30) | Priority | 81505/82, 1982.05.17, JP |
| (74) | Patent attorney | SOCOLOVA Sofia, Str. Drumul Viilor nr. 42, bloc 3, ap. 60, MD-2021, Chiєinгu, Republica Moldova |
| | Payment for maintenance up to the date | 2000.11.12 |
| | Date of patent termination | 2000.11.12 |
| | Date of publication of the termination of patent, with the right of restoration | 2002.02.20 |
| | Date of publication of the termination of patent, without the right of restoration | 2002.12.30 |
| (30*) | Priority of the former USSR application | 3593070/28-14, 1983.05.16, SU |
| (10*) | Title of protection of the former USSR | 1523046, SU |