Patents by Inventor Peer Everland

Peer Everland 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: 4571424
    Abstract: A process for the optical resolution of the enantiomers of trans-3-[(4-methoxyphenoxy)-methyl]-1-methyl-4-phenylpiperidine, which involves reaction with an enantiomer of mandelic acid to form a mixture of diastereomeric compounds, precipitating one of the diastereoisomers, and converting it to the desirable free (+)-trans isomer, as well as the key diastereomeric isomer intermediate, is disclosed.
    Type: Grant
    Filed: February 29, 1984
    Date of Patent: February 18, 1986
    Assignee: A/S Ferrosan
    Inventors: Jorgen A. Christensen, Peer Everland