Patents by Inventor Kurt S. Herz

Kurt S. Herz 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).

  • Hydroxysubstituted polymethyloxanonane
    Patent number: 3962347
    Abstract: Method at recovery of pure 3,3,7,7-tetrahydroxymethyl-5-oxanonane from a distillation residue obtained at the production of trimethylolpropane, wherein the 3,3,7,7-tetrahydroxymethyl-5-oxanonane is crystallized by a simple crystallization from a salt containing aqueous solution of the distillation residue having a specially favorable salt proportion.
    Type: Grant
    Filed: October 16, 1973
    Date of Patent: June 8, 1976
    Assignee: Perstorp AB
    Inventor: Kurt S. Herz