Patents by Inventor Egon N. Peterson

Egon N. Peterson 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).

  • Arylsulfonic acid bromophenyl esters, their preparation, and their use as flameproofing agents
    Patent number: 4246188
    Abstract: Aryl sulfonic acid esters of the formula ##STR1## wherein R.sup.1 represents hydrogen, alkyl groups of 1 to 8 carbon atoms, bromine or chlorine, R.sup.2 represents R.sup.1 or the group ##STR2## Hal represents bromine or chlorine, x the numbers 2 to 4, n the numbers 3 to 5, y the numbers 4-x; m=5-n, R.sup.3 represents bromine, chlorine or the group ##STR3## and Z represents --O--, --S--, ##STR4## alkylene with 1 to 4 carbon atoms, or alkylidene; a process for their product and their use as a flame retardant, especially for polyolefins.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: January 20, 1981
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Egon N. Peterson, Hermann Richtzenhain