Patents by Inventor Edwin Yee Man Keh

Edwin Yee Man Keh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190048522
    Abstract: The present invention relates to a reactive dye bath and a dyeing process for textiles. The reactive dye bath for textiles comprises an organic solvent, an aqueous dye solution, a surfactant and a co-surfactant. The reactive dye bath or the dyeing process of the present invention allows for full up-take of the dye without subjecting the textiles to any special pre-treatment and without the addition of a salt for accelerating dyeing, so as to obtain dyed textiles with a higher dyeing depth, uniformity and fastness.
    Type: Application
    Filed: March 8, 2016
    Publication date: February 14, 2019
    Applicant: The Hong Kong Research Institute of Textiles and Apparel Limited
    Inventor: Edwin Yee Man Keh