Patents by Inventor Paul Schulz, deceased

Paul Schulz, deceased 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).

  • Process for the production of alkyl and/or alkenyl oligoglycosides
    Patent number: 5898070
    Abstract: The invention relates to an improved process for the production of alkyl and/or alkenyl oligoglycosides corresponding to formula (I):R.sup.1 O-?G!.sub.p (I)in which R.sup.1 is an alkyl and/or alkenyl radical containing 4 to 22 carbon atoms, G is a sugar unit containing 5 or 6 carbon atoms and p is a number of 1 to 10, by acid-catalyzed acetalization of primary alcohols with monomeric carbohydrates, in which the reaction is carried out in a stirred tank reactor surmounted by a vacuum falling-film evaporator through which the mixture is pumped under reaction conditions.
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: April 27, 1999
    Assignee: Henkel Corporation
    Inventors: Paul Schulz, deceased, Rainer Eskuchen, Michael Nitsche