Patents Assigned to Professional Chemical & Color, Inc.
  • Method of treating polyaramid fiber
    Patent number: 4525168
    Abstract: Polyaramid fiber is swollen, such as by exposing it to a solvent, and while swollen a substance, such as amine or substituted amine, capable of forming an ionic bond with an acid or anionic dye, is introduced into the fiber, after which the fiber is shrunk, such as by drying, to incorporate the substance into it. Thereafter, the fiber can be dyed or printed with an anionic dye. A solution of the solvent and substance may be prepared, and the fiber contacted with the solution.
    Type: Grant
    Filed: January 27, 1984
    Date of Patent: June 25, 1985
    Assignee: Professional Chemical & Color, Inc.
    Inventor: David R. Kelly
  • Carpet dyeing system
    Patent number: 4239490
    Abstract: A method of dyeing a tufted pile carpet on location. The method comprises the steps of spraying a dye liquor onto the pile of the carpet, spraying a sealer onto the pile of the carpet to fix the dye therein and drying the carpet.
    Type: Grant
    Filed: March 16, 1979
    Date of Patent: December 16, 1980
    Assignee: Professional Chemical & Color, Inc.
    Inventors: David Kelly, Michael Vidal, Saul Rosenthal