Patents by Inventor Kathleen L. Wert

Kathleen L. Wert 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).

  • Intermediates for preparing secondary amines
    Patent number: 4579972
    Abstract: New intermediates and processes for preparing 6-halo-7,8-dihydroxy-1-(p-hydroxyphenyl)-2,3,4,5-tetrahydro-1H-3-benzazepi nes involve the reaction of a p-methoxyphenylglyoxal, lower alkyl hemimercaptal with a 2-chloro-3,4-dimethoxyphenethylamine, followed by a borohydride reduction.
    Type: Grant
    Filed: June 28, 1985
    Date of Patent: April 1, 1986
    Assignee: SmithKline Beckman Corporation
    Inventors: Kathleen L. Wert, Alan W. Tremper
  • Process for preparing secondary amines
    Patent number: 4540819
    Abstract: New intermediates and processes for preparing 6-halo-7,8-dihydroxy-1-(p-hydroxyphenyl)-2,3,4,5-tetrahydro-1H-3-benzazepi nes involve the reaction of a p-methoxyphenylglyoxal, lower alkyl hemimercaptal with a 2-chloro-3,4-dimethoxyphenethylamine, followed by a borohydride reduction.
    Type: Grant
    Filed: April 28, 1983
    Date of Patent: September 10, 1985
    Assignee: SmithKline Beckman Corporation
    Inventors: Kathleen L. Wert, Alan W. Tremper