Patents by Inventor Heinrich Merkel

Heinrich Merkel 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: 4464202
    Abstract: This invention relates to aqueous adhesive solutions. More particularly, this invention relates to an aqueous adhesive composition for mechanical labeling based upon starch derivatives and having a content of flow-regulating additives and, optionally, other customary additives, which comprises:(a) at least one hydroxyalkyl ether of oxidized starch with a mean degree of substitution (MS) of .ltoreq.0.2, together with(b) at least one polymer dissolved in the aqueous phase, the polymer being selected from the group consisting of water-soluble cellulose derivatives, water-soluble synthetic polymers, casein, and water-soluble starch derivatives different from component (a).
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: August 7, 1984
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Johannes Andres, Rainer Hasenkamp, Heinrich Merkel
  • Patent number: 4462838
    Abstract: This invention relates to aqueous adhesive solutions. More particularly, this invention relates to an aqueous adhesive composition for mechanical labeling based upon starch derivatives and having a content of flow-regulating additives and, optionally, other customary additives, which comprises:(a) at least one hydroxyalkyl ether of oxidized starch with a mean degree of substitution (MS) of .ltoreq.0.2, together with(b) at least one polymer dissolved in the aqueous phase, the polymer being selected from the group consisting of water-soluble cellulose derivatives, water-soluble synthetic polymers, casein, and water-soluble starch derivatives different from component (a).
    Type: Grant
    Filed: October 17, 1983
    Date of Patent: July 31, 1984
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Johannes Andres, Rainer Hasenkamp, Heinrich Merkel