Patents by Inventor Stephen J. Ray

Stephen J. Ray 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: 5773443
    Abstract: The invention provides antifungal compounds of the formula: ##STR1## and pharmaceutically acceptable salts thereof, whereinR is phenyl substituted by 1 to 3 substituents each independently selected from halo, --CF.sub.3 and --OCF.sub.3 ;R.sup.1 is C.sub.1 -C.sub.4 alkyl;R.sup.2 is H or C.sub.1 -C.sub.4 alkyl;X is CH or N; andY is F or Cl.
    Type: Grant
    Filed: July 18, 1996
    Date of Patent: June 30, 1998
    Assignee: Pfizer Inc.
    Inventors: Stephen J. Ray, Kenneth Richardson
  • Patent number: 5567817
    Abstract: The invention provides antifungal compounds of the formula: ##STR1## and pharmaceutical salts thereof, whereinR is phenyl substituted by 1 to 3 substituents each independently selected from halo, --CF.sub.3 and --OCF.sub.3 ;R.sup.1 is C.sub.1 -C.sub.4 alkyl;R.sup.2 is H or C.sub.1 -C.sub.4 alkyl;X is CH or N; andY is F or Cl.
    Type: Grant
    Filed: May 1, 1995
    Date of Patent: October 22, 1996
    Assignee: Pfizer Inc.
    Inventors: Stephen J. Ray, Kenneth Richardson
  • Patent number: 5278175
    Abstract: The invention provide antifungal compounds of the formula: ##STR1## and pharmaceutically acceptable salts thereof, wherein R is phenyl substituted by 1 to 3 substituents each independently selected from halo, --CF.sub.3 and --OCF.sub.3 ;R.sup.1 is C.sub.1 -C.sub.4 alkyl;R.sup.2 is H or C.sub.1 -C.sub.4 alkyl;X is CH or N; andY is F or Cl.
    Type: Grant
    Filed: October 5, 1992
    Date of Patent: January 11, 1994
    Assignee: Pfizer Inc.
    Inventors: Stephen J. Ray, Kenneth Richardson
  • Patent number: 4885294
    Abstract: An antifungal agent of the formula: ##STR1## wherein R is phenyl group which may be substituted by 1 to 3 substituents each independently selected from halo and CF.sub.3 ; R.sup.1 is either (a) a phenyl group substituted by a group of the formula --N.dbd.CH--N(C.sub.1 -C.sub.4 alkyl).sub.2, ##STR2## or (b) a 5- or 6-membered aromatic heterocyclic group which may be benzo-fused and substituted by 1 or 2 substituents each independently selected from halo, C.sub.1 -C.sub.4 alkyl and halo-(C.sub.1 or C.sub.2 alkyl), said heterocyclic group being attached to the nitrogen atom of the piperazine ring by a carbon atom;andR.sup.2 is H or CH.sub.3 ; or an O-ester or O-ether thereof which is a C.sub.2 -C.sub.4 alkanoyl or benzoyl ester, or a C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, phenyl-(C.sub.1 -C.sub.4 alkyl) or phenyl ether, said phenyl and benzoyl groups of said O-esters and O-ethers may be substituted by one or two substituents each selected from C.sub.1 -C.sub.4 alkyl, halo and halo-(C.sub.1 or C.sub.
    Type: Grant
    Filed: November 8, 1988
    Date of Patent: December 5, 1989
    Assignee: Pfizer Inc.
    Inventors: Stephen J. Ray, Kenneth Richardson
  • Patent number: 4654352
    Abstract: Compounds of the formula: ##STR1## and pharmaceutically-acceptable acid addition salts thereof, wherein R.sup.1 is at the 3 or 4 position and is phenyl or phenyl substituted by halo, (C.sub.1 -C.sub.4)alkoxy, or (C.sub.2 -C.sub.5)alkoxycarbonyl; R.sup.2 is at the 2 or 7 position and is a group of the formula X(CH.sub.2).sub.n NR.sup.3 R.sup.4 where X is --CH.dbd.CH-- or --(CH.sub.2).sub.2 --; n is 1, 2, 3 or 4; and each of R.sup.3 and R.sup.4 is hydrogen or (C.sub.1 -C.sub.4)alkyl, or R.sup.3 and R.sup.4 together with the nitrogen atom to which they are attached form a 1-pyrrolidinyl or piperidino group; Y is hydrogen, (C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxy or (C.sub.2 -C.sub.5)-alkoxycarbonyl at the 4, 5, 6 or 7 position; and wherein R.sup.2 is at the 2-position, R.sup.1 is at the 3- or 4-position, or alternatively when R.sup.2 is at the 7-position, R.sup.1 is at the 3-position; are useful for the treatment of diarrhea in humans and animals.
    Type: Grant
    Filed: June 28, 1985
    Date of Patent: March 31, 1987
    Assignee: Pfizer Inc.
    Inventor: Stephen J. Ray