Patents Assigned to Ronile, Inc.
  • Method for the reduction of color variation in space-dyed yarn
    Publication number: 20020133888
    Abstract: A method for reducing variation in depth of shade, intensity and hue in space-dyed yarn comprises: injecting at least two liquid dye compositions into selected portions of a package of yarn to produce a yarn having different colors along the length of said yarn, preheating said yarn to a temperature of about 120°-200° F. using microwaves or radiofrequency, and heating said yarn to a temperature sufficient to fix said dye on said yarn.
    Type: Application
    Filed: January 25, 2001
    Publication date: September 26, 2002
    Applicant: Ronile, Inc.
    Inventor: Geoffrey Boyes
  • Process for dyeing cationic dyeable polyamide fiber
    Patent number: 5626632
    Abstract: A continuous dyeing, space dyeing or printing process for dyeing cationic dyeable polyamide fibers comprising the steps of applying a premetalized acid or acid dye to the fiber at a pH of 2.5 and below, and the dyed polyamide fiber resulting therefrom. The dyeing process generates cationic dyeable polyamide fiber dyed or printed in light to deep shades without bleeding and without producing badly contaminated dye water effluent.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 6, 1997
    Assignee: Ronile, Inc.
    Inventor: Geoffrey Boyes