Patents by Inventor Gerold Braun

Gerold Braun 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).

  • Detergents that contain acyl derivatives of dihydroxydioxane as bleach activators
    Patent number: 4952332
    Abstract: Pulverulent or water-free liquid detergents each essentially contain surfactants, builders, bleaching agents and effective amounts of compounds of the formula ##STR1## where R.sup.1 is for example C.sub.1 -C.sub.8 -alkyl, substituted or unsubstituted alkyl or C.sub.3 -C.sub.8 -alkenyl, and R.sup.2 and R.sup.3 are each for example H or C.sub.1 -C.sub.16 -alkyl, as bleach activators for peroxides.
    Type: Grant
    Filed: August 24, 1989
    Date of Patent: August 28, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf Fikentscher, Alfred Oftring, Werner Bochnitschek, Gerold Braun, Johannes Perner, Ulrich Kaluza, Hans-Ulrich Jaeger
  • Use of salts of sulfonamidocarboxylic acids as corrosion inhibitors in aqueous systems
    Patent number: 4911888
    Abstract: Specific sulfonamidocarboxylic acids in the form of the alkali metal or alkanolamine salts are used as corrosion inhibitors in aqueous systems.
    Type: Grant
    Filed: June 6, 1988
    Date of Patent: March 27, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf Fikentscher, Gerold Braun, Chung-Ji Ischang, Christos Vamvakaris, Reinhold Kohlhaupt
  • Preparation of sulfatobetaines
    Patent number: 4855423
    Abstract: Sulfatobetaines are prepared by reacting an addition compound of sulfur trioxide and a tertiary amine with an alkylene carbonate.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: August 8, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerold Braun, Chung-Ji Tschang, Christos Vamvakaris, Klaus Glaser
  • Preparation of sulfatobetaines
    Patent number: 4837330
    Abstract: Sulfatobetaines are prepared by reacting an adduct of a base having a tertiary N atom and sulfur trioxide with an alkylene oxide in the presence of an alkylene carbonate as a solvent.
    Type: Grant
    Filed: March 15, 1988
    Date of Patent: June 6, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerold Braun, Chung-Ji Tschang, Christos Vamvakaris, Klaus Glaser