Patents by Inventor Nelson E. Houser

Nelson E. Houser 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).

  • Patent number: 5820638
    Abstract: A composition for the elimination of cellulosic dye cross staining when dyeing cellulosic and synthetic blended fabrics in a dye bath. The composition includes a first component including polyvinylpyrrolidone polymer having a mwt. of between about 15,000 to 40,000 and the balance water. In the preferred embodiment, the composition includes a second component including dyestuff including dyes and polyvinylpyrrolidone polymer. Dyeing textile articles having at least two different types of fibers selected from the group consisting of cellulosic and synthetic fibers using the present invention produce a dyed article in which the cellulosic fibers are dyed and the synthetic fibers have a Class Value of greater than about 3 when measured according to the AATCC Gray Scale for Color Change.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: October 13, 1998
    Assignee: Burlington Chemical Co., Inc.
    Inventors: Nelson E. Houser, James F. Leuck, Thomas J. Balchin