Patents by Inventor Matthias Kummer

Matthias Kummer 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).

  • Pretreatment of textile materials: alkaline scour or bleach with organo-phosphorus compound
    Patent number: 4912791
    Abstract: Textile materials are pretreated in aqueous media by alkaline scouring and/or bleaching using an assistant comprising a compound of the general formula I ##STR1## where R is C.sub.6 -C.sub.10 -alkyl, X is H, Na, K or NR.sup.1 R.sup.2 R.sup.3 R.sup.4, and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each H, C.sub.1 -C.sub.4 -alkyl or --CH.sub.2 --CH.sub.2 --OH.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: April 3, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Werner Streit, Wolfgang Schenk, Matthias Kummer, Johannes P. Dix, Alfred Oftring