Patents Assigned to Ultrasona AG
  • Process for improving the bulkiness or texturation of synthetic multifilament textile materials
    Patent number: 4118188
    Abstract: In a method of treating a textile material in a shrinking bath containing a swelling agent comprising the step of introducing into said bath a driving-off agent which substantially reduces the solubility of the swelling agent in the shrinking bath.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: October 3, 1978
    Assignee: Ultrasona AG
    Inventor: Hans-Ole Larsen