Patents by Inventor Kent F. Van Winckel

Kent F. Van Winckel 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: 4267378
    Abstract: O-alkoxyphenols are produced from cyclohexanone or cyclohexanol by chlorination of cyclohexanone or cyclohexanol to trichlorocyclohexanone and reaction of the trichlorocyclohexanone with an aliphatic, monohydric alcohol having one to four carbon atoms and a base to form an intermediate compound or compounds which are further reacted to convert the intermediate compound or compounds to an o-alkoxyphenol.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: May 12, 1981
    Assignee: Carl E. Van Winckel
    Inventors: Carl E. Van Winckel, David H. Dolphin, Elena Dumitrescu, Kent F. Van Winckel
  • Patent number: 4166914
    Abstract: O-alkoxyphenols are produced from cyclohexanone or cyclohexanol by chlorination of cyclohexanone or cyclohexanol to trichlorocyclohexanone and reaction of the trichlorocyclohexanone with an aliphatic, monohydric alcohol having one to four carbon atoms and a base to form an intermediate compound or compounds which are further reacted to convert the intermediate compound or compounds to an o-alkoxyphenol.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: September 4, 1979
    Assignee: Carl E. Van Winckel
    Inventors: Carl E. Van Winckel, David H. Dolphin, Elena Dumitrescu, Kent F. Van Winckel