Patents Assigned to Cassella Farbwerke Mainkur Atiengesellschaft
  • Heat hardening mixtures
    Patent number: 3954900
    Abstract: High quality coatings and the like are formed from dispersions in a reactive liquid of finely divided solid isocyanated polyester resin having isocyanate groups part of which are masked but become unmasked upon heating and then react with the liquid. The liquid is essentially one or more highly etherified methylolated aminotriazine in which some of etherifying is with alkoxyethyl groups that provide relatively low viscosity and good reactivity.
    Type: Grant
    Filed: March 24, 1975
    Date of Patent: May 4, 1976
    Assignee: Cassella Farbwerke Mainkur Atiengesellschaft
    Inventors: Wolfgang Schmalz, Walter Michel, Manfred Schon