Patents by Inventor John T. Suh

John T. Suh 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: 5200416
    Abstract: Compounds of the formula ##STR1## wherein: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.6, and R.sub.7 are independently hydrogen or lower alkyl.R.sub.5 is hydrogen, lower alkyl, rad alkanoyl having 1 to 6 carbon atoms.Y is OH or OM wherein M is a pharmaceutically acceptable cation, andn is an integer from 0 to 1, andX.sub.1 and X.sub.2 are independently (CR.sub.8 R.sub.9).sub.mwherein R.sub.8 and R.sub.9 are independently hydrogen or lower alkyl and m is an integer from 1 to 5 are potent angiotensin converting enzyme inhibitors and possess antihypertensive activity.
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: April 6, 1993
    Assignee: USV Pharmaceutical Corporation
    Inventors: John T. Suh, Jerry W. Skiles, Bruce E. Williams
  • Patent number: 5015663
    Abstract: Disclosed are pharmaceutical compositions containing naphthoic acid derivatives and method of use for enhancing oxygen availability to mammailian tissue.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: May 14, 1991
    Assignee: Rhone-Poulenc Rorer Pharmaceuticals Inc.
    Inventors: John T. Suh, Robert G. Pendleton, Charles E. Pendley, II, Kin T. Yu, Paul R. Menard, Alain B. Schreiber
  • Patent number: 4948582
    Abstract: Disclosed are pharmaceutical compositions containing naphthoic acid derivatives and method of use for enhancing oxygen availability to mammailian tissue.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: August 14, 1990
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: John T. Suh, Robert G. Pendleton, Charles E. Pendley, II, Kin T. Yu, Paul R. Menard, Alain B. Schreiber
  • Patent number: 4861795
    Abstract: Disclosed are pharmaceutical compositions containing naphthoic acid derivatives and method of use for enhancing oxygen availability to mammailian tissue.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: August 29, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: John T. Suh, Robert G. Pendelton, Charles E. Pendley, II, Kin T. Yu, Paul R. Menard, Alain B. Schreiber
  • Patent number: 4849416
    Abstract: Disclosed are pharmaceutical compositions containing certain heterocylcic sulphonamido azo compounds for enhancing oxygen availability to mammalian tissue.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: July 18, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Robert G. Pendleton, Charles E. Pendley, II, John T. Suh, Kin T. Yu, Paul R. Menard, Tihamer Herczeg
  • Patent number: 4843081
    Abstract: A and A' are each hydrogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, hydroxy or aryloxy;X is cyano, nitro, COOR, SR, SOR or SOOR;R is H, C.sub.1-6 alkyl or aryl;n n' and n" are each 0 to 4; andm, m' and m" are each 1 to 4, have calcium channel blocking activity.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: June 27, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: John R. Regan, Jeffrey N. Barton, John T. Suh, Jerry W. Skiles
  • Patent number: 4831184
    Abstract: This invention relates to new chemical compounds having valuable pharmaceutical activity. It particularly relates to stereoisomeric compounds possessing hypotensive activity, i.e., angiotensin converting enzyme inhibitory (ACEI) activity and having the structure ##STR1## wherein R and R.sub.9 are independently hydroxy, lower alkoxy, lower alkenoxy, di(lower alkyl)amino-lower alkoxy, hydroxy-lower alkoxy, acylamino-lower alkoxy, acryloxy-lower alkoxy, aryloxy, aryloxyl-lower alkoxy, amino, lower alkylamino, di-lower alkylamino, hydroxyamino, or aryl-lower alkylamino;R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.7 and R.sub.8 are independently hydrogen, alkyl, alkenyl or alkynyl containing up to 20 carbon atoms, aryl or aryl-lower alkyl having from 7 to 12 carbon atoms, heterocyclic or heterocyclic-lower alkyl having from 6 to 12 carbon atoms, cycloalkyl or cycloalkyl-alkyl containing up to 20 carbon atoms in the cycloalkyl group, provided that each of R.sub.1 and R.sub.2 and R.sub.4 and R.sub.
    Type: Grant
    Filed: February 14, 1983
    Date of Patent: May 16, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Raymond D. Youssefyeh, Jerry W. Skiles, John T. Suh, Howard Jones
  • Patent number: 4820729
    Abstract: Compounds of the formula ##STR1## wherein R and R.sub.9 are independently hydroxy or lower alkoxy,R.sub.1 and R.sub.2 are hydrogen or lower alkyl, aryl-lower alkyl having from 7 to 12 carbon atoms, or heterocyclic-lower alkyl having from 6 to 12 carbon atoms,R.sub.3, R.sub.4, R.sub.5, R.sub.7 and R.sub.8 are hygrogen or lower alkyl,R.sub.6 is cycloalkly having from 3 to 20 carbon atoms, aryl or aryl-lower alkyl, and the aryl group contains from 6 to 10 carbon atoms, and their pharmaceutically acceptable, nontoxic acid addition salts and where R or R.sub.9 or both are hydroxy, their pharmaceutically acceptable, nontoxic basic salts possess antihypertensive activity.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: April 11, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Raymond D. Youssefyeh, Jerry W. Skiles, John T. Suh, Howard Jones
  • Patent number: 4804742
    Abstract: New peptides are disclosed which have biological activity of the same type as known calcitonins and which are amide analogs of natural calcitonins.
    Type: Grant
    Filed: December 5, 1986
    Date of Patent: February 14, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Edward S. Neiss, David Stevenson, Laurence L. Ho, Robert C. Liu, John T. Suh
  • Patent number: 4795757
    Abstract: Compounds of the formula: ##STR1## and pharmaceutically acceptable salts thereof, wherein: Ar is phenyl, naphthyl, heteroaryl, indole, or fused arylcycloalkyl optionally substituted with hydroxy, halo, CF.sub.3, NO.sub.2, C.sub.1-6 alkyl, C.sub.1-6 alkoxy or aryloxy;A and A' are each hydrogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, hydroxy or aryloxy;X is cyano, nitro, COOR, SR, SOR or SOOR;R is H, C.sub.1-6 alkyl or aryl;n n' and n" are each 0 to 4; andm, m' and m" are each 1 to 4, have calcium channel blocking activity.
    Type: Grant
    Filed: November 20, 1986
    Date of Patent: January 3, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: John R. Regan, Jeffrey N. Barton, John T. Suh, Jerry W. Skiles
  • Patent number: 4766210
    Abstract: Antihypertensive compounds of the structure ##STR1## wherein: n is an integer from 0 to 2 inclusive,R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, and R.sub.7 are independently hydrogen, alkyl having from 1 to 6 carbon atoms, alkenyl having from 2 to 6 carbon atoms, alkynyl having from 2 to 6 carbon atoms, cycloalkyl having from 3 to 16 carbon atoms, phenyl, benzyl, tolyl, naphthyl, phenethyl, indanyl, tetrahydronaphthyl, decahydronaphthyl, pyridyl, quinolyl, pyrrolidyl, pyrrolyl, morpholinyl, thiomorpholinyl, furyl, furfuryl, tetrahydrofurfuryl, benzimidazole, thienyl, imidolyl, or tetrahydroindolyl, and where the R.sub.1 to R.sub.7 groups are alkyl, said groups carrying a substituent selected from hydroxy, alkoxy, amino, carboxy, or carbalkoxy, the alkyl group in alkoxy and carbalkoxy having from 1 to 6 carbon atoms, or R.sub.2 taken together with R.sub.3 and the carbons to which they are attached is tetrahydronapthyl or phenyl, and when phenyl R.sub.1 and R.sub.4 are absent, or R.sub.6 and R.sub.
    Type: Grant
    Filed: July 29, 1981
    Date of Patent: August 23, 1988
    Inventors: John T. Suh, Bruce E. Williams, Jerry W. Skiles, Bernard Loev
  • Patent number: 4749698
    Abstract: Compounds having the general structure ##STR1## and their pharmaceutically acceptable salts, wherein the substituents are defined herein, which exhibit antihypertensive activity.
    Type: Grant
    Filed: July 8, 1985
    Date of Patent: June 7, 1988
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Edward S. Neiss, John T. Suh, John R. Regan, Jerry W. Skiles, Jeffrey N. Barton, James J. Mencel, Paul Menard
  • Patent number: 4746676
    Abstract: Compounds having the general structure ##STR1## and their pharmaceutically acceptable salts, wherein the substituents are defined herein, which exhibit antihypertensive activity.
    Type: Grant
    Filed: September 12, 1984
    Date of Patent: May 24, 1988
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Edward S. Neiss, John T. Suh, John R. Regan, Jerry W. Skiles, Jeffrey N. Barton, Paul Menard
  • Patent number: 4703037
    Abstract: Compounds of the formula ##STR1## and their pharmaceutically acceptable salts, wherein the substituents are as defined herein, having antihypertensive activity.
    Type: Grant
    Filed: February 18, 1986
    Date of Patent: October 27, 1987
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Fu-chih Huang, John T. Suh, Jerry W. Skiles
  • Patent number: 4701461
    Abstract: Compounds of the formulae: ##STR1## wherein, Z and Y are each alkylene or oxy-alkylene containing one to about five carbon atoms in the principal chain or said alkylene subtituted with OH, alkanoyloxy, alkoxy, mercapto or alkylmercapto;each of R.sub.1, R.sub.2 and R.sub.3 is independently H, alkyl, aryl, halo, alkoxy, alkenyloxy, alkylsulfinyl, alkylsulfonyl, alkylmercapto, cyano, carboxy, carbalkoxy, carboxamido, sulfamoyl, trifluoromethyl, hydroxy, hydroxyalkyl, acyloxy, alkylamino, sulfonylamino or acylamino; or R.sub.1 and R.sub.2, when taken together, form a methylenedioxy or --O--CO--O--;Ar is heteroaryl, cycloalkyl or ##STR2## wherein, R.sub.1, R.sub.2 and R.sub.3 are as herein described; andR is H, alkyl, cycloalkyl, aryl, aralkyl, alkenyl, alkynyl, carboalkoxy, or CONR.sub.4 R.sub.5 wherein each of R.sub.4 and R.sub.5 is H or alkyl; wherein the total number of carbon atoms in each hydrocarbyl group is up to 10; and ##STR3## wherein, each of R.sub.1 and R.sub.
    Type: Grant
    Filed: September 2, 1986
    Date of Patent: October 20, 1987
    Assignee: USV Pharmaceutical Corporation
    Inventors: John T. Suh, Jeffrey N. Barton
  • Patent number: 4696939
    Abstract: Compounds of the formula ##STR1## and their pharmaceutically acceptable salts, wherein the substituents are as defined herein, having antihypertensive activity.
    Type: Grant
    Filed: November 29, 1985
    Date of Patent: September 29, 1987
    Assignee: USV Pharmaceutical Corporation
    Inventors: John T. Suh, John J. Piwinski, Howard Jones, Edward S. Neiss
  • Patent number: 4686295
    Abstract: This invention relates to new compounds of the formula ##STR1## wherein A is a hydroxy, lower alkoxy, lower alkenoxy, diloweralkylamino lower alkoxy, acylamino lower alkoxy, acyloxy, lower alkoxy, aryloxy, arloweralkyloxy, amino, loweralkylamino, diloweralkylamino, aryloweralkylamino, hydroxyamino, or substituted aryloxy, or substituted arloweralkoxy wherein the substituent is methyl, halo or methoxy;R.sub.1, R.sub.2, and R.sub.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: August 11, 1987
    Assignee: USV Pharmaceutical Corporation
    Inventors: Raymond D. Youssefyeh, Jerry W. Skiles, John T. Suh, Howard Jones
  • Patent number: 4666906
    Abstract: Compounds of the formula ##STR1## and their pharmaceutically acceptable salts, wherein the substituents are as defined herein, having antihypertensive activity.
    Type: Grant
    Filed: July 19, 1985
    Date of Patent: May 19, 1987
    Assignee: USV Pharmaceutical Corporation
    Inventors: John J. Piwinski, John T. Suh, Paul Menard, Howard Jones, Edward S. Neiss, John R. Regan
  • Patent number: 4661515
    Abstract: Novel compounds possessing both angiotensin enzyme inhibitory activity and diuretic activity are disclosed. The compounds are represented by the general formula ##STR1## in which X is ##STR2## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are hydrogen, alkyl, alkenyl, alkynyl, phenyl-alkyl, and cycloalkyl, and may be the same or different; n is an integer from 0 to 4 inclusive; M is alkenyl, alkynyl, cycloalkyl, cycloalkyl-alkyl, polycycloalkyl, polycycloalkyl-alkyl, aryl, aralkyl, heteroaryl, heteroaryl-alkyl, hetero-cyloalkyl, hetero-cycloalkyl-alkyl, fused aryl-cycloalkyl, fused aryl-cycloalkyl-alkyl, fused heteroaryl-cycloalkyl, fused heteroaryl-cycloalkyl-alkyl, alkoxyalkyl, alkylthioalkyl, alkylamino-alkyl, or dialkylaminoalkyl, or M and R.sub.6 taken together with the nitrogen to which M is bonded and the carbon to which R.sub.
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: April 28, 1987
    Assignee: USV Pharmaceutical Corporation
    Inventors: Edward S. Neiss, John T. Suh, John J. Piwinski
  • Patent number: 4650854
    Abstract: New peptides are disclosed which have biological activity of the same type as known calcitonins and which are amide analogs of natural calcitonins.
    Type: Grant
    Filed: June 6, 1985
    Date of Patent: March 17, 1987
    Assignee: USV Pharmaceutical Corporation
    Inventors: Edward S. Neiss, David Stevenson, Laurence L. Ho, Robert C. Liu, John T. Suh