Patents by Inventor Gernot Teege

Gernot Teege 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).

  • Chroman derivatives and stabilized polypropylene composition
    Patent number: 4511685
    Abstract: Chroman derivatives of the general formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each H or C.sub.1 -C.sub.4 -alkyl, R.sup.5 is C.sub.10 -C.sub.30 -alkyl or C.sub.10 -C.sub.30 -alkenyl, X and Y are each O, NH or S, m is 0, 1, 2 or 3 and n and r are each 0 or 1, the preparation of compounds I by various methods known per se, and the use of the compounds as stabilizers for organic materials.
    Type: Grant
    Filed: February 26, 1981
    Date of Patent: April 16, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Axel Nissen, Michael Horner, Dieter Horn, Erik Lueddecke, Gernot Teege
  • Chroman derivatives useful as stabilizers for polypropylene and .beta.-carotin
    Patent number: 4404304
    Abstract: Novel chroman derivatives ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are each H or C.sub.1 -C.sub.4 -alkyl, R.sup.6 and R.sup.7 are each H, C.sub.1 -C.sub.4 -alkyl or aryl, m is 1, 2 or 3, and R.sup.8 is alkyl or alkenyl of up to 30 carbon atoms, the preparation of these compounds, and their use as stabilizers for organic materials.
    Type: Grant
    Filed: January 28, 1982
    Date of Patent: September 13, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Horner, Dieter Horn, Erik Lueddecke, Gernot Teege
  • Chroman-6-ol derivatives useful for stabilizing plastics
    Patent number: 4374258
    Abstract: Novel chroman derivatives ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each H or C.sub.1 -C.sub.4 -alkyl, R.sup.5 is sec.--C.sub.3 -C.sub.8 --alkyl or tert.--C.sub.4 -C.sub.8 --alkyl, R.sup.6 is H or R.sup.5, m is 1, 2 or 3, and n is 0, 1, 2 or 3, a process for the preparation of these compounds, and their use as stabilizers for plastics.
    Type: Grant
    Filed: January 28, 1982
    Date of Patent: February 15, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Horner, Gernot Teege
  • Bis-[4-(m,m'-di-tert.-butyl-p-hydroxyphenyl)-butyl-(2)]dicarboxylic acid esters
    Patent number: 4021408
    Abstract: New bis-[4-(m,m'-di-tert.-butyl-p-hydroxyphenyl)-butyl-(2)] dicarboxylic acid esters which are starting materials for the manufacture of dyes, pesticides and additives for plastics, especially stabilizers for polyolefins and polyamides, and are themselves stabilizers, aging retardants or antioxidants for organic products.
    Type: Grant
    Filed: April 3, 1975
    Date of Patent: May 3, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Horn, Gernot Teege, Werner Fliege, Frank Weiss, Bernd Meissner