Patents Assigned to Misasa Inc.
  • Method for producing powder cake cosmetics
    Patent number: 4804538
    Abstract: A method for producing powder cosmetics which utilizes some suitable solvents to convert the powder materials into slurry form, so as to facilitate transportation through pipelines. The slurry is filled into a plastic case through an opening provided at its lower face and the solvent is discharged from the slurry at a reduced pressure. Thus, convert the slurry to a powder cake.
    Type: Grant
    Filed: April 3, 1987
    Date of Patent: February 14, 1989
    Assignee: Misasa Inc.
    Inventor: Mei L. Chen