Patents by Inventor Jiri Marik

Jiri Marik 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).

  • Method of anionic polymerization of .omega.-aminoacid lactams with alkali metal-Al,B-alkoxy lactamate initiator
    Patent number: 4303778
    Abstract: A method is described for the anionic polymerization and copolymerization of .omega.-aminoacid lactams. This end is attained at elevated temperatures in the presence of a polymerization initiator of the formulaMeZX.sub.m L.sub.nwherein Me is an alkali metal, Z is boron or aluminum, X is an alkoxy group and L is an organic residue derived from a lactam and being of the formula ##STR1## wherein a is an integer in the range 3-11, m is an integer in the range of 0-3, (m+n) is 4 and n is (4-m).
    Type: Grant
    Filed: January 17, 1978
    Date of Patent: December 1, 1981
    Assignee: Vysoka skola chemicko-technologicka
    Inventors: Jaroslav Kralicek, Vladimir Kubanek, Jiri Marik, Jaroslava Kondelikova, Jiri Machacek, Bohuslav Casensky