Patents by Inventor Paul Schaffluetzel

Paul Schaffluetzel 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).

  • Dry heat process for dyeing and printing organic material which can be dyed with cationic dyestuffs
    Patent number: 4057388
    Abstract: In a dry heat process for dyeing and printing of organic material which can be dyed with cationic dyestuffs, the improvement wherein at least one transferable salt of a cationic dyestuff with an acid having a pK.sub.s value greater than 3 is used for dyeing and printing.
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: November 8, 1977
    Assignee: Ciba-Geigy AG
    Inventors: Raymond Defago, Paul Schaffluetzel, Arnulf Ruediger Lapple, Bernard Hugelin
  • Transfer printing process for dyeing and printing organic material which can be dyed with cationic dyes
    Patent number: 3995992
    Abstract: A process for dyeing and printing organic material which can be dyed with cationic dyes by the transfer printing process, which comprises the use of a auxiliary carrier which contains at least one disperse and/or cationic dye that is converted into the vapor state at atmospheric pressure and at a temperature between 150.degree. C and 220.degree. C, and at least one organic compound as transfer promoter with a vapor pressure higher than 10.sup..sup.-5 Torr at 200.degree. C.
    Type: Grant
    Filed: September 30, 1974
    Date of Patent: December 7, 1976
    Assignee: Ciba-Geigy AG
    Inventors: Raymond Defago, Paul Schaffluetzel, Jaroslav Haase