Patents by Inventor Stanley J. Borowski

Stanley J. Borowski 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).

  • Method for preparing 6-chloro-N-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine
    Patent number: 4541954
    Abstract: A novel process for preparing 6-chloro-N-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine comprising cyclizing N-methyl-N-[2-(2'-chlorophenyl)ethyl]-2-chloroethylamine hydrochloride in a solution of trichlorobenzene and aluminum chloride.
    Type: Grant
    Filed: September 5, 1984
    Date of Patent: September 17, 1985
    Assignee: SmithKline Beckman Corporation
    Inventors: Stanley J. Borowski, Thomas A. Post