Patents by Inventor Paul Schafflutzel

Paul Schafflutzel 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: 5630850
    Abstract: There is disclosed a process for printing fibre material by the direct printing process, which process comprises printing the fibre material with a print paste comprising at least one dye, one cellulose derivative or alginate as thickener as well as further customary assistants and wherein the print paste comprises .ltoreq.5% by weight, based on the print paste, of a homopolymer or copolymer based on acrylamide.The novel process makes it possible to obtain strong patterned prints on a white ground which have good levelness, good fastness properties and sharp contours. The print pastes are distinguished by good homogeneity, good storage stability and simple handling.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: May 20, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul Schafflutzel, Philippe Ouziel
  • Patent number: 5403360
    Abstract: A process for dyeing or printing cellulosic fibre material with reactive dyes, which comprises dyeing or printing said material with at least one reactive dye that contains a chlorotriazinyl radical, and washing off the dyeing or print so obtained with an aqueous solution to which at least 0.01 gram per liter of an alkaline earth metal salt has been added. Dyeings and prints of good fastness properties are obtained.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: April 4, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Sutterlin, Rolf Bitterli, Paul Schafflutzel
  • Patent number: 5376148
    Abstract: There is disclosed a process for printing synthetic fibre by transfer printing, which comprises using a printing paste comprising(a) a water-soluble polymer that contains sulfo groups, and one or more than one component selected from the group consisting of(b) a deaerator,(c) an anionic or nonionic dispersant, and(d) a C.sub.1 -C.sub.3 alkanol.Tinctorially strong, patterned prints on a white ground of good levelness, good fastness properties and sharp contours are obtained with the process of this invention. The printing pastes are distinguished by good homogeneity, excellent storage properties and simple handling.
    Type: Grant
    Filed: April 8, 1993
    Date of Patent: December 27, 1994
    Assignee: Ciba-Geigy Corporation
    Inventor: Paul Schafflutzel