Patents by Inventor Hans P. Panzer

Hans P. Panzer 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: 4129532
    Abstract: Homopolymer of compounds having the formula ##STR1## wherein n is 0 or 1, m is 1, X is an anion, R' is hydrogen, methyl or phenyl and R.sup.2, R.sup.3 and R.sup.4 are, individually, hydrogen, alkyl, aryl, alkaryl or aralkyl, polymers thereof are produced by melt cracking a compound having the formula ##STR2## wherein Z is ##STR3## wherein Y is hydroxyl or RO, R being alkyl, aryl or aralkyl, and R.sup.1 -R.sup.4, n, m and X are as set forth above.
    Type: Grant
    Filed: July 13, 1977
    Date of Patent: December 12, 1978
    Assignee: American Cyanamid Company
    Inventors: Hans P. Panzer, Michael N. D. O'Connor, Louis J. Baccei
  • Patent number: 4127719
    Abstract: Compounds having the formula ##STR1## wherein n and m are, individually, 0 or 1, X is an anion, R' is hydrogen, methyl or phenyl and R.sup.2, R.sup.3 and R.sup.4 are, individually, hydrogen, alkyl, aryl, alkaryl or aralkyl, polymers thereof and methods for their production, are disclosed.
    Type: Grant
    Filed: March 4, 1977
    Date of Patent: November 28, 1978
    Assignee: American Cyanamid Company
    Inventors: Hans P. Panzer, Michael N. D. O'Connor, Louis J. Baccei
  • Patent number: 4074055
    Abstract: Compounds having the formula ##STR1## wherein R.sup.1 is hydrogen or methyl and R.sup.2 , R.sup.3 and R.sup.4 are, individually, hydrogen, alkyl (C.sub.1 -C.sub.4), aryl (C.sub.6 -C.sub.10), aralkyl (C.sub.7 -C.sub.11) or alkaryl (C.sub.7 -C.sub.11) are prepared by heating hydroxyethyl or hydrocarbyloxyethyl imidazolines at 275.degree.-500.degree. and in the presence of a catalyst. Salts are also prepared.
    Type: Grant
    Filed: November 8, 1976
    Date of Patent: February 14, 1978
    Assignee: American Cyanamid Company
    Inventors: Hans P. Panzer, Michael N. D. O'Connor, Louis J. Baccei