Patents Represented by Law Firm Mogan & Finnegan
  • Method for improving an animal fiber
    Patent number: 5478358
    Abstract: Scales and impurities adhered on an animal fiber can be removed by immersing the animal fiber in an aqueous bath containing inactive inorganic powder and treating it with ultrasonic wave. In the method the animal fiber can be very efficiently improved in the state of stably maintaining the feeling and properties of it. Further, since the method can be carried out with no use of specific chemicals, it is practical with no problem of environmental pollution.
    Type: Grant
    Filed: April 20, 1994
    Date of Patent: December 26, 1995
    Assignee: Kato Research Institute Inc.
    Inventor: Hiroya Kato