Patents by Inventor Walter Knupp

Walter Knupp 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).

  • Bisresorcinyltriazines
    Patent number: 5686233
    Abstract: Compounds of the formula I ##STR1## in which R.sub.1 and R.sub.5, independently of one another, are C.sub.1 -C.sub.12 alkyl; R.sub.2, R.sub.3 and R.sub.4, independently of one another, are H; C.sub.1 -C.sub.12 alkyl; C.sub.2 -C.sub.6 alkenyl; C.sub.1 -C.sub.12 alkoxy; C.sub.2 -C.sub.18 alkenyloxy; halogen; trifluormethyl; C.sub.7 -C.sub.11 phenylalkyl; phenyl; phenyl which is substituted by C.sub.1 -C.sub.18 alkyl, C.sub.1 -C.sub.18 alkoxy or halogen; phenoxy; or phenoxy which is substituted by C.sub.1 -C.sub.18 alkyl, C.sub.1 -C.sub.18 alkoxy or halogen; the two radicals R.sub.7 are identical or different and are hydrogen or C.sub.1 -C.sub.18 alkyl; or are C.sub.1 -C.sub.18 alkyl which is substituted by OH, C.sub.1 -C.sub.18 alkoxy, C.sub.3 -C.sub.6 alkenyloxy, halogen, --COOH, --COOR.sub.8, --CONH.sub.2, --CONHR.sub.9, --CON(R.sub.9)(R.sub.10), --NH.sub.2, --NHR.sub.9, --N(R.sub.9)(R.sub.10), --NHCOR.sub.11, --CN, --OCOR.sub.11, phenoxy and/or phenoxy which is substituted by C.sub.1 -C.sub.18 alkyl, C.sub.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: November 11, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Andreas Valet, Jean-Luc Birbaum, Vien Van Toan, Walter Knupp