Patents by Inventor Morgan Meltz

Morgan Meltz 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).

  • Resolution of 1-azabicyclo[2.2.2]octan-3-amine, 2-(diphenylmethyl)-n-[[2-methoxy-5-(1-methylethyl)phenyl]methyl]
    Patent number: 6008357
    Abstract: A process for resolving 1-azabicyclo[2.2.2]octan-3-amine, (2-diphenylmethyl)-N-[[2-methoxy-5-(1-methylethyl)phenyl]methyl] in which 1-azabicyclo[2.2.2]octan-3-amine, (2-diphenylmethyl)-N-[[2-methoxy-5-(1-methylethyl)phenyl]methyl] is reacted with 1R-(-)-10-camphorsulfonic acid in a solvent capable of dissolving both the foregoing reactants and selectively dissolving the camphorsulfonic acid salt of the corresponding (2R, 3R) enantiomer relative to the (2S, 3S) enantiomer.
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: December 28, 1999
    Assignee: Pfizer Inc
    Inventors: Derek L. Tickner, Morgan Meltz
  • (-) cis-6(S)-phenyl-5(R)?4-(2-pyrrolidin-1-yl ethoxy) phenyl!-5,6,7,8-tetrahydronaphthalen-2-ol-D-tartrate
    Patent number: 5948809
    Abstract: (-)Cis-6(S)-phenyl-5(R)-?4-(2-pyrrolidin-1-yl ethoxy)phenyl!-5,6,7,8-tetrahydro-naphthalen-2-ol D-tartrate, pharmaceutical compositions comprising this compound, and an advantageous process for preparing the compound.
    Type: Grant
    Filed: April 28, 1998
    Date of Patent: September 7, 1999
    Assignee: Pfizer Inc
    Inventors: Charles K. Chiu, Morgan Meltz
  • Resolution of 2-benzyl-4-piperidone-succinic acid
    Patent number: 5280122
    Abstract: This invention relates to a process for resolving racemic or optically enriched 2-benzyl-4-piperidone-succinic acid, comprising reacting such compound with (+)-cis-N-benzyl-2-(hydroxymethyl)-cyclohexylamine, (-)-cis-N-benzyl-2-(hydroxymethyl)-cyclohexylamine or (+)-dehydroabietylamine.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: January 18, 1994
    Assignee: Pfizer Inc.
    Inventors: Charles K. Chiu, Morgan Meltz