Patents Assigned to Lenzing Aktiengeselleschaft
  • Regenerated cellulose incorporating phosphorus compounds so as to be flame-retardant
    Patent number: 6130327
    Abstract: The invention relates to flame-retardant regenerated celluloses which contain at least one compound of formula I: ##STR1## The subject matter of the invention is also the use of compounds of formula I as a flame-retardant agent especially for regenerated celluloses and a process for the flame-retardant finishing of regenerated cellulose which is characterized by mixing in compounds of formula I or a dispersion containing one of these compounds.
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: October 10, 2000
    Assignee: Lenzing Aktiengeselleschaft
    Inventors: Rainer Wolf, Hartmut Ruf