Patents Assigned to Yoshida Pharmaceutical Co., Ltd.
  • Method for disinfection using a 1,n-bis(N.sup.5 -trifluoromethyl-phenyl-N.sup.1 -biguanido)-alkane
    Patent number: 5478864
    Abstract: A novel disinfectant is disclosed. Said disinfectant is a compound 1,n-bis(N.sup.5 -m-, or p-trifluoromethyl-phenyl-N.sup.1 -biguanido)-C.sub.3 -C.sub.10 -alkane. The m-trifluoro-C.sub.6 derivative is a known compound. The compounds of the present invention exhibit germicidal effect against Pseudomonas aeruginosa, Proteus vulgaris and Alcaligenes faecalis at concentrations of 1/4-1/8 of the effective concentration for chlorhexidine. Against other microorganisms, the compounds are effective at the same level as chlorhexidine.
    Type: Grant
    Filed: September 15, 1994
    Date of Patent: December 26, 1995
    Assignees: Mitsubishi Materials Corp., Yoshida Pharmaceutical Co., Ltd.
    Inventors: Akira Nishihara, Akihiro Nakamura, Tsunetoshi Honda, Michio Harada, Maki Takizawa