Patents by Inventor Steven A. Magennis

Steven A. Magennis 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).

  • Process for the catalytic synthesis of conjugated dienes from dialkylallylamines
    Patent number: 4467118
    Abstract: There is disclosed a novel process for converting allylic amines, having a hydrogen bonded to a carbon .delta. to the amino group, to a diene in the presence of a zero valent palladium phosphine complex and a weak acid. The process has been used to make novel compositions containing 7-methoxy-3,7-dimethyloctadienes which are useful as odorants and flavorants.
    Type: Grant
    Filed: March 3, 1982
    Date of Patent: August 21, 1984
    Assignee: Givaudan Corporation
    Inventors: Alan J. Chalk, Steven A. Magennis, Vasile S. Wertheimer, Richard E. Naipawer
  • Process for preparing a myrcenol, cis-ocimenol mixture substantially free of trans-ocimenol
    Patent number: 4266087
    Abstract: The instant invention provides a new and improved method of preparing the Diels Alder mixture of 3 and 4-(4-methyl-4-hydroxyamyl).DELTA..sup.3 -cyclohexenecarboxaldehyde from the readily available myrcene. The novel sequence includes a synthesis of a novel myrcenol, ocimenol intermediate which is substantially free of trans-ocimenol.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: May 5, 1981
    Assignee: Givaudan Corporation
    Inventors: Alan J. Chalk, Steven A. Magennis
  • Process for the preparation of aryl substituted aldehydes, ketones and alcohols
    Patent number: 4070374
    Abstract: Upon reacting an alcohol having an olefinic double bond with an aryl bromide or iodide in the presence of a Paladium catalyst, there is provided either an aryl substituted aldehyde, ketone or olefinic alcohol.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: January 24, 1978
    Assignee: Givaudan Corporation
    Inventors: Alan J. Chalk, Steven A. Magennis