Patents Assigned to Soda Aoromatic Company, Limited
  • Slowly releasing perfume compositions
    Patent number: 4492644
    Abstract: A slowly releasing perfume composition is obtained by mixing a granulated ethylene-vinyl acetate copolymer and a perfume which contains hydrocarbons and/or esters as an essential fragrant component, at a temperature in the range of about 10.degree. C. to about 50.degree. C.
    Type: Grant
    Filed: April 15, 1982
    Date of Patent: January 8, 1985
    Assignee: Soda Aoromatic Company, Limited
    Inventors: Yuuichi Matsumoto, Kiyomitsu Kawasaki, Masato Ishitani