Patents by Inventor Rainer Mundnich

Rainer Mundnich 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).

  • Phosphorus-containing cyanohydrine derivatives
    Patent number: 4521348
    Abstract: Cyanohydrine derivatives of the formula ##STR1## wherein R.sub.1 and R.sub.2 are alkyl, haloalkyl, cycloalkyl, aralkyl or aryl, R.sub.3 and R.sub.4 are hydrogen, alkyl, phenyl or benzyl, R.sub.5 is hydrogen, acyl, trialkylsilyl or alkoxycarbonyl, X is oxygen or sulfur and n is zero or 1, are intermediates for the manufacture of flame retardants, bactericides, fungicides and herbicides.
    Type: Grant
    Filed: December 30, 1983
    Date of Patent: June 4, 1985
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Manfred Finke, Rainer Mundnich
  • Process for the manufacture of cyanohydrin acylates of aldehydes
    Patent number: 4336206
    Abstract: Cyanohydrin acylates of aldehydes are manufactured by reacting aldehydes with aqueous solutions of cyanides and organic acid chlorides or anhydrides in the molar ratio of aldehyde:cyanide:acid chloride or anhydride of 1:1:1 with deviations of at most only about 10%, optionally in the presence of an inert organic solvent immiscible with water in a one-stage process. The process products are intermediates mainly in the fields of pharmaceuticals and plant protection.
    Type: Grant
    Filed: May 15, 1980
    Date of Patent: June 22, 1982
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rainer Mundnich, Manfred Finke, Walter Rupp, Klaus Dehmer