Patents by Inventor Jai P. Sharma

Jai P. Sharma 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).

  • Process for dyeing spandex fibers
    Patent number: 5500025
    Abstract: A process for dyeing spandex. The process includes the steps of setting the dyebath with an organic acid; adding a pre-metallized acid dye to the dyebath; heating the dyebath until completion of dyeing; and cooling the dyebath. In the preferred embodiment the organic acid is selected from the group including formic and acetic acid. Also, in the preferred embodiment, the dyebath is heated at a rate of between about 0.5 F. and 3 F. per minute up to a temperature of between about 220 F. and 250 F. The resulting dyed spandex passes an AATCC IIA wash test.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: March 19, 1996
    Assignee: UKI Supreme Corporation
    Inventor: Jai P. Sharma
  • Process for dyeing spandex fibers
    Patent number: 5382264
    Abstract: A process for dyeing spandex. The process includes the steps of setting the dyebath with an organic acid; adding a pre-metallized acid dye to the dyebath; heating the dyebath until completion of dyeing; and cooling the dyebath. In the preferred embodiment the organic acid is selected from the group including formic and acetic acid. Also, in the preferred embodiment, the dyebath is heated at a rate of between about 0.5 F. and 3 F. per minute up to a temperature of between about 220 F. and 250 F. The resulting dyed spandex passes an AATCC IIA wash test.
    Type: Grant
    Filed: October 7, 1992
    Date of Patent: January 17, 1995
    Assignee: UKI Supreme Corporation
    Inventor: Jai P. Sharma