Patents by Inventor Peter Kuzel

Peter Kuzel 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).

  • Patent number: 3987218
    Abstract: A process for decreasing the hygroscopicity of a polycarboxylate, said process comprising preparing a melt of a composition having a melting point of about 40.degree. - 120.degree. C, said composition giving an acid or neutral pH in an aqueous solution or suspension, said composition being less hygroscopic than said polycarboxylate, said composition capable of being free flowing under equilibrium conditions at about 30.degree. C and in an air atmosphere of at least about 40% relative humidity; heating said melt in a mixer to a temperature of up to about 140.degree. C; gradually adding said polycarboxylate as a powder to said melt while mixing said melt; wherein said composition comprises at least about 3 and at most about 40% by weight of the mixture resulting after all polycarboxylate has been added to said melt.
    Type: Grant
    Filed: June 11, 1974
    Date of Patent: October 19, 1976
    Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
    Inventors: Heinz Haschke, Gerhard Morlock, Peter Kuzel, Horst Kruger