Patents by Inventor Dagmar Stuhrmann

Dagmar Stuhrmann 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).

  • Acidic hair care preparations
    Patent number: 5609167
    Abstract: Described are acidic hair care agents containing quaternary fatty acid trialkanolamine ester salts of formula (I): ##STR1## in which R.sup.1 CO is a linear or branched aliphatic acylradical containing 6 to 22 carbon atoms and 0 or 1 double bond, {Z} is an ethylene, propylene or isopropylene group and X is chloride, bromide, sulfate, methosulfate or phosphate. Such agents improve hair combability, have antistatic properties, arc easy to rinse out, impart an agreeable feel and have very little polluting action.
    Type: Grant
    Filed: September 7, 1995
    Date of Patent: March 11, 1997
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Hermann Hensen, Dagmar Stuhrmann, Oriol Ponsati Obiols, Esther Prat Queralt
  • Quaternary ammonium compound hair conditioners
    Patent number: 4744977
    Abstract: A hair care preparation containing a hair conditioning effective amount of a compound of the formula: ##STR1## wherein: R.sup.1 is a C.sub.12-16 -n-alkyl;R.sup.2 is a C.sub.1-4 -n-alkyl;is a C.sub.1-4 -hydroxyalkyl;R.sup.4 is a C.sub.1-4 -n-alkyl or a C.sub.2-4 -hydroxyalkyl;A is an inorganic or organic acid anion; andn is the valence of said anion.
    Type: Grant
    Filed: November 14, 1985
    Date of Patent: May 17, 1988
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Hermann Hensen, Horst Rutzen, Peter Busch, Dagmar Stuhrmann, Klaus Thiele
  • Cosmetic detergent base
    Patent number: 4744924
    Abstract: A detergent base showing good compatibility with the skin in the form of a fluid concentrate containing from 0.4 to 0.6 mole/kg of an alkyl ether sulfate based on a special mixture of fatty alcohol ethoxylates which is present partly as magnesium salt and partly as sodium salt, from 0.03 to 0.08 mole/kg of an oleic acid diethanolamide and/or linoleic acid diethanolamide and from 1.4 to 1.6 mole/kg sodium ions in the form of sodium chloride and/or sodium sulfate. The product is suitable for use in cosmetic hair and body shampoos.
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: May 17, 1988
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Hermann Hensen, Dagmar Stuhrmann, Renate Lindner, Renate Kruse