Patents by Inventor Wolfgang Keernig

Wolfgang Keernig 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: 4026952
    Abstract: Novel 4-(m,m'-di-t-butyl-p-hydroxyphenyl)-butyl-2 compounds whihc are intermediates in the manufacture of dyes, pesticides and plastics auxiliaries, particularly stabilizers for polyolefins and polyamides. When molten, they form specific solvents for alkylphenols and are perfumes or form ingredients of perfume compositions having a fruity odor.
    Type: Grant
    Filed: February 19, 1974
    Date of Patent: May 31, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Roman Fischer, Werner Fliege, Wolfgang Keernig, Peter Horn