Patentee  [s:10]atent Country  [s:10]atent Number Expiration
Date SPC
BayerGermany DE (West Germany) DE 2347782 19910922
BayerGermany US (USA) US 4062950 19941213 US marketing exclusivity for the PRECOSE formulation expires on 29 September 2001.
欧洲局http://ep.espacenet.com/
点击左侧number search,选worldwide,输入de2347782即可,同理查第二个
点击original document有save full document选项,点击可下载全文
我试过,美国那个没问题,但德国那个出现“Document too large”,只能下扉页,我也没办法了