Patents by Inventor Stephen J. Humphrey

Stephen J. Humphrey 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: 5716970
    Abstract: A diuretic compound of Formula I ##STR1## or pharmaceutically acceptable salt thereof where R.sup.1 is a C.sub.1-6 alkyl; R.sup.2 is halogen, C.sub.1-4 alkyl; and R.sup.3 is C.sub.1-4 alkoxy are disclosed, preferably, benzamide, 3-chloro-N-(2-ethyl-2-(3-methoxyphenyl)-4-(1-piperidinyl)butyl), monohydrochloride. The compounds are effective diuretics which increase the excretion of water with little increase in electrolyte excretion.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: February 10, 1998
    Assignee: Pharmacia & Upjohn Company
    Inventors: Stephen J. Humphrey, James T. Curry, E. Jon Jacobsen
  • Patent number: 5668157
    Abstract: Cyanoguanidine compounds of formula (I) and its pharmaceutically acceptable acid addition salts wherein R.sub.1 is hydrogen or methyl; R.sub.2 is C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.2 -C.sub.6 alkynyl, C.sub.3 -C.sub.5 cycloalkyl, C.sub.3 -C.sub.5 cycloalkenyl hydroxy methyl, methoxy-C.sub.1 -C.sub.5 alkyl, or R.sub.1 and R.sub.2 are combined to form a C.sub.3 -C.sub.6 carbocyclic ring; R.sub.3 and R.sub.4 are each independently selected to be hydrogen, C.sub.1 -C.sub.4 alkyl, F, Cl, Br, I or CF.sub.3 ; R.sub.5 is hydrogen, F or Cl; R.sub.6 is hydrogen, --NH.sub.2, --NHCH.sub.3, --NHC.sub.2 H.sub.5, --NHCH(CH.sub.3).sub.2, --N(CH.sub.3).sub.2, --N(C.sub.2 H.sub.5).sub.2, NH(CH.sub.2).sub.m, --OC.sub.1 -C.sub.3 alkyl (where m is 2 or 3), --NHC(O)C.sub.1 -C.sub.3 alkyl, Cl or Br; and n is 0 or 1. The compounds of formula (I) are potassium channel blockers useful in the treatment of cardiovascular disorders such as congestive heart failure and hypertension and as a diuretic.
    Type: Grant
    Filed: June 25, 1996
    Date of Patent: September 16, 1997
    Assignee: Pharmacia & Upjohn Company
    Inventors: Stephen J. Humphrey, Kaushik D. Meisheri, James H. Ludens, Jackson B. Hester, Jr.
  • Patent number: 5633374
    Abstract: Pyrimidine-cyanoguanidine compounds of Formula I and its pharmaceutically acceptable acid addition salts ##STR1## wherein R.sub.1 is hydrogen or methyl;R.sub.2 is C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.2 -C.sub.6 alkynyl, C.sub.3 -C.sub.5 cycloalkyl, C.sub.3 -C.sub.5, hydroxy methyl, cycloalkyl methoxy-C.sub.1 -C.sub.5 alkyl, or R.sub.1 and R.sub.2 are combined to form a C.sub.3 -C.sub.6 carbocyclic ring;R.sub.3 and R.sub.4 are each independently selected to be hydrogen, C.sub.1 -C.sub.4 alkyl, F, Cl, Br, I or CF.sub.3 ;R.sub.5 is hydrogen, F or Cl;R.sub.6 is hydrogen, --NH.sub.2, --NHCH.sub.3, --NHC.sub.2 H.sub.5, --NHCH(CH.sub.3) .sub.2, --N(CH.sub.3).sub.2, --N(C.sub.2 H.sub.5).sub.2, NH(CH.sub.2).sub.m --OC.sub.1 --C.sub.3 alkyl (where m is 2 or 3), --NHC(O)C.sub.1 -C.sub.3 alkyl, Cl or Br; and n is 0 or 1.The compounds of Formula I are potassium channel blockers useful in the treatment of cardiovascular disorders such as congestive heart failure and hypertension and as a diuretic.
    Type: Grant
    Filed: November 20, 1995
    Date of Patent: May 27, 1997
    Assignee: The Upjohn Company
    Inventors: Stephen J. Humphrey, Kaushik D. Meisheri, James H. Ludens, Jackson B. Hester, Jr.
  • Patent number: 5567722
    Abstract: Cyanoguanidine compounds of Formula I and its pharmaceutically acceptable acid addition salts ##STR1## wherein R.sub.1 is hydrogen or methyl;R.sub.2 is C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.2 -C.sub.6 alkynyl, C.sub.3 -C.sub.5 cycloalkyl, C.sub.3 -C.sub.5 cycloalkenyl hydroxy methyl, methoxy-C.sub.1 -C.sub.5 alkyl, or R.sub.1 and R.sub.2 are combined to form a C.sub.3 -C.sub.6 carbocyclic ring;R.sub.3 and R.sub.4 are each independently selected to be hydrogen, C.sub.1 -C.sub.4 alkyl, F, Cl, Br, I or CF.sub.3 ;R.sub.5 is hydrogen, F or Cl;R.sub.6 is hydrogen, --NH.sub.2, --NHCH.sub.3, --NHC.sub.2 H.sub.5, --NHCH(CH.sub.3).sub.2, --N(CH.sub.3).sub.2, --N(C.sub.2 H.sub.5).sub.2, NH(CH.sub.2).sub.m -- OC.sub.1 -C.sub.3 alkyl (where m is 2 or 3), --NHC(O)C.sub.1 -C.sub.3 alkyl, Cl or Br; and n is 0 or 1.The compounds of Formula I are potassium channel blockers useful in the treatment of cardiovascular disorders such as congestive heart failure and hypertension and as a diuretic.
    Type: Grant
    Filed: February 6, 1995
    Date of Patent: October 22, 1996
    Assignee: The Upjohn Company
    Inventors: Stephen J. Humphrey, Kaushik D. Meisheri, James H. Ludens, Jackson B. Hester, Jr.