HEYDER KOEN DE,SCHU PETER,SERANTONI MICHELLE,OPSTEL OMER DE
申请号:
EG2001080869
公开号:
EG25829A
申请日:
2001.08.08
申请国别(地区):
EG
年份:
2012
代理人:
摘要:
The present invention relates to a method for the production of a hepatitis B antigen suitable for use in a vaccine, the method comprising purification of the antigen in the presence of cysteine, to vaccines comprising such antigens.