Patents by Inventor Frank John Urban

Frank John Urban 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 and intermediates for preparing 4'-trifluoromethylbiphenyl-2-carboxylic acid [2-(2H-[1,2,4]triazol-3-ylmethyl)-1,2,3,4-tetrahydro-isoquinolin-6-yl]-a mide
    Patent number: 5998623
    Abstract: A process for preparing the compound of formula (1) is disclosed. ##STR1## The starting materials are an N-triazolylmethyl-6-aminoisoquinoline and a 4-biphenyl-2-carboxylic acid derivative.
    Type: Grant
    Filed: October 28, 1998
    Date of Patent: December 7, 1999
    Assignee: Pfizer Inc.
    Inventor: Frank John Urban
  • Process and intermediates for bis-aza-bicyclic anxiolytic agents
    Patent number: 5719286
    Abstract: Optically pure intermediates of formula (1) wherein the substituent B is either cis or trans to the C.sub.9a -C.sub.1 bond and is selected from the group consisting of --CH.sub.2 OH, --CHO, --CH.sub.2 OSO.sub.2 R, --CH.sub.2 CN, --CH(OH)CH.sub.2 NO.sub.2, --CH.dbd.CH--NO.sub.2, (2) and (3), C is selected from the group consisting of --H, (4), (5), and a nitrogen protecting group which is removable by hydrogenation or acid treatment; and wherein R is (C.sub.1 -C.sub.8) alkyl, phenyl or alkyl substituted phenyl; X is N or CH; Y is O or S and Z is H or Cl; for the synthesis of octahydro-1H-pyrido(1,2-a)pyrazinyl ethyl carboxamide anxiolytic agents.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: February 17, 1998
    Assignee: Pfizer Inc.
    Inventor: Frank John Urban