Patents Represented by Law Firm Hammond & Littel
  • Patent number: 4142999
    Abstract: A liquid concentrate which has a content of proteases and/or amylases, non-ionic and optionally anionic surfactants, water and optionally solvents selected from mono- and poly-valent alcohols and ethers thereof, which concentrate contains an alkoxylated alkylamine of the formula ##STR1## wherein R is alkyl of 4 to 20 carbon atoms, R' is hydrogen or alkyl of 1 to 10 carbon atoms, provided that the sum of the carbon atoms in R and R' is from 9 to 19, R" is hydrogen, methyl or hydroxymethyl, x is an integer from 1 to 5, and y is 0 or an integer from 1 to 5, provided that the sum of x and y is from 1 to 10; as well as its use as a washing and cleaning agent and washing and cleaning formulations containing the same.
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: March 6, 1979
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Helmut Bloching, Peter Krings, Hans Pfeiffer
  • Patent number: 3988247
    Abstract: Process and agent for fatting or lubrication of leather and furs based on the salts of sulfonated chlorinated products of higher fatty acids or of esters of higher fatty acids, said fatty acids having from 8 to 24 carbon atoms, especially natural fats and oils or tallow fatty acid methyl ester, having a chlorine content of 20% to 45% by weight and essentially free of olefinic double bonds and having an SO.sub.3 content of from 40 to 150 mol percent based on the chlorinated product, which agent and the leather and furs so treated are extraordinarily resistant to the effect of light, to oxidation and to acids.
    Type: Grant
    Filed: August 24, 1973
    Date of Patent: October 26, 1976
    Assignee: Henkel & Cie G.m.b.H.
    Inventors: Gerhard Dieckelmann, Jurgen Plapper, Horst Baumann, Werner Stein