Patents Represented by Law Firm Hammond & Littel, Weissenberger & Dippert
  • Patent number: 4656006
    Abstract: A process and apparatus for the distribution and preparation of samples from primary vessels, especially samples of patients' sera, liquid reagents or the like, which are transferred into fixedly mounted secondary vessels of any desired construction, preferably in accordance with the data from a distribution sheet recorded by a control programming apparatus, where the secondary vessels can be moved into position one after the other by means of a transporting carriage for the primary vessel having an associated diluter, this transporting carriage being movable in the x-y plane by means of two stepping motors, and the primary vessel is brought back into its starting position after each delivery or after delivery of the samples intended for the entire series of samples.
    Type: Grant
    Filed: December 11, 1985
    Date of Patent: April 7, 1987
    Assignee: Boehringer Ingelheim Zentrale GmbH
    Inventors: Gerd Assmann, Horst-Dietrich Helb
  • Patent number: 4493823
    Abstract: This invention relates to topical cosmetic preparations. More particularly, this invention relates to a topical cosmetic preparation for the treatment of oily hair and seborrheic skin which comprises an effective amount of at least one compound of the formula ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3, any of which may be the same or different, each represent hydrogen, hydroxyl, or --OR.sub.4, where R.sub.4 is an alkyl of from 1 to 6 carbon atoms or a substituted or unsubstituted benzyl, or two of the groups R.sub.1, R.sub.2, and R.sub.3 represent methylenedioxy; X is a substituted or unsubstituted alkylene of from 1 to 3 carbon atoms; and Y is --COOH, --CN, --CONR.sub.5 R.sub.6, or --COOR.sub.7, where R.sub.5 and R.sub.6 each represent hydrogen, alkyl of from 1 to 6 carbon atoms, or substituted or unsubstituted aryl, or aralkyl, or together with the nitrogen atom R.sub.5 and R.sub.6 represent a heterocycle, and R.sub.7 is an alkyl of from 1 to 6 carbon atoms or a substituted or unsubstituted aralkyl.
    Type: Grant
    Filed: November 10, 1981
    Date of Patent: January 15, 1985
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Hinrich Moller, Siegfried Wallat, Friedhelm Bartnik, Wolfgang Pittermann