Patents by Inventor Patrick Scheidhauer

Patrick Scheidhauer 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).

  • Water-soluble fiber-reactive dyes, containing an amino-substituted 5-triazine ring with a fiber-reactive group of the vinylsulfone series
    Patent number: 5128455
    Abstract: Water-soluble fiber-reactive dyes which contain one or more groups of the general formula (1) ##STR1## where R.sup..alpha. and R.sup..beta. are each hydrogen or lower alkyl,R is hydrogen or sulfoY is vinyl or ethyl which is substituted in the .beta.-position by a substituent which is eliminatable under alkaline conditions,W is hydroxy, N-morpholino, N-piperidinyl, N-pyrrolidinyl or a group of the general formula (2) ##STR2## where G is hydrogen or alkyl of 1 to 6 carbon atoms andQ is a group of the general formula (2a), (2b), (2c) or (2d) ##STR3##--(CH.sub.2).sub.t --R.sup.a (2b)--(CH.sub.2).sub.t --O--(CH.sub.2).sub.w --R.sup.a (2c)--(CH.sub.2).sub.t --R.sup.2 (2d)whereR.sup.a is a group of the general formula --SO.sub.2 --Y, where Y is as defined above, or sulfo,R.sup.b is hydrogen, alkoxy of 1 to 4 carbon atoms, sulfo, hydroxy, carboxy or chlorine,R.sup.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: July 7, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hartmut Springer, Patrick Scheidhauer, Karl-Michael Reichert, Guther Schwaiger, Kurt Hussong