Patents Assigned to Yung Shin Pharma Ind. Co. Ltd.
  • Method for producing 5-aryloxymethyl-2-oxazolidinones
    Patent number: 6562980
    Abstract: The present invention provides a method for making 5-aryloxymethyl-2-oxazolidinone and derivatives thereof having the general formula of: wherein R1 and R2 are hydrogen, alkyl, or alkoxyl group and wherein the alkyl or alkoxyl group contains no more than three carbon atoms in straight or branched chain. The invention involves the fusion of a triglycidyl isocyanurate (TGIC) with an unsubstituted or a mono- or di-substituted phenol.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: May 13, 2003
    Assignee: Yung Shin Pharma Ind. Co., Ltd.
    Inventors: Fang-Yu Lee, Tsang-miao Huang, Chao-Ho Chung
  • Chinese herbal composition for improving blood circulation and the method of preparing the same
    Patent number: 6447814
    Abstract: The present invention provides an herbal composition for improving blood circulation and treating patients with coronary heart diseases and stroke. The herbal composition comprises 30-50 wt % of Dang Gui root (Radix Angelicae sinensis), 35-65 wt % of Chuan Xiong root (Radix Ligustici Chuanxiong), and 7-13 wt % of Ginseng root (Radix Ginseng). The present invention also provides methods of preparing the same.
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: September 10, 2002
    Assignee: Yung Shin Pharma Ind. Co. Ltd.
    Inventors: Fang-Yu Lee, Huan Wu, Ming Ching Chang