Patents by Inventor Chiu-Hong Lin

Chiu-Hong Lin 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: 6870070
    Abstract: The present invention relates to (2S)-enantiomers of 2-aminoindan derivatives of formula I: and a novel process for the preparation of them.
    Type: Grant
    Filed: April 29, 2002
    Date of Patent: March 22, 2005
    Assignee: Pharmacia & Upjohn Company
    Inventors: Arthur Glenn Romero, Thomas Andrew Runge, Bradley D. Hewitt, Kjell Anders Ivan Svensson, Chiu-Hong Lin, Kerry Anne Cleek, Susanne R. Haadsma-Svensson
  • Publication number: 20020151596
    Abstract: The present invention relates to (2S)-enantiomers of 2-aminoindan derivatives of formula I: 1
    Type: Application
    Filed: April 29, 2002
    Publication date: October 17, 2002
    Inventors: Arthur Glenn Romero, Thomas Andrew Runge, Bradley D. Hewitt, Kjell Anders Ivan Svensson, Chiu-Hong Lin, Kerry Anne Cleek, Susanne R. Haadsma-Svensson
  • Patent number: 6410787
    Abstract: The present invention relates to (2S)-enantiomers of 2-aminoindan derivatives of formula I: and a novel process for the preparation of them.
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: June 25, 2002
    Assignee: Pharmacia & Upjohn Company
    Inventors: Arthur Glenn Romero, Thomas Andrew Runge, Bradley D. Hewitt, Kjell Anders Ivan Svensson, Chiu-Hong Lin, Kerry Anne Cleek, Susanne R. Haadsma-Svensson
  • Publication number: 20010044471
    Abstract: The present invention relates to (2S)-enantiomers of 2-aminoindan derivatives of formula I: 1
    Type: Application
    Filed: February 14, 2001
    Publication date: November 22, 2001
    Inventors: Arthur Glenn Romero, Thomas Andrew Runge, Bradley D. Hewitt, Kjell Anders Ivan Svensson, Chiu-Hong Lin, Kerry Anne Cleek, Susanne R. Haadsma-Svensson
  • Patent number: 6133446
    Abstract: Novel aromatic bicyclic amines of formula (I) ##STR1## are useful in treating central nervous system disorders and cardiac arrhythmias and cardiac fibrillation.
    Type: Grant
    Filed: January 28, 1999
    Date of Patent: October 17, 2000
    Assignee: Pharmacia & Upjohn Company
    Inventors: Ruth E. TenBrink, Michael D. Ennis, Chiu-Hong Lin, Robert A. Lahti, Arthur G. Romero, John C. Sih
  • Patent number: 6084130
    Abstract: Compounds and their pharmaceutically acceptable salts suitable for treating central nervous system disorders associated with the dopamine D3 receptor activity of structural Formula I: ##STR1##
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: July 4, 2000
    Assignee: Pharmacia & Upjohn Company
    Inventors: Arthur Glenn Romero, William Harold Darlington, Jeffrey A. Leiby, Chiu-Hong Lin, Susanne R. Haadsma-Svensson, Kerry Anne Cleek
  • Patent number: 5708018
    Abstract: Compounds and their pharmaceutically acceptable salts suitable for treating central nervous system disorders associated with the dopamine D3 receptor activity of Formula I: ##STR1## wherein R.sub.1 and R.sub.2 are independently chosen from hydrogen, C.sub.1 -C.sub.8 alkyl, OCH.sub.3, OH, OSO.sub.2 CF.sub.3, OSO.sub.2 CH.sub.3, SOR.sub.5, CO.sub.2 R.sub.5, CONH.sub.2, CONR.sub.5 R.sub.6, COR.sub.5, CN, SO.sub.2 NH.sub.2, SO.sub.2 NR.sub.5 R.sub.6, SO.sub.2 R.sub.5, --OCO--(C.sub.1 -C.sub.6 alkyl), --NCO--(C.sub.1 -C.sub.6 alkyl), --CH.sub.2 O--(C.sub.1 -C.sub.6 alkyl), --CH.sub.2 OH, --CO-Aryl, --NHSO.sub.2 -Aryl, --NHSO.sub.2 --(C.sub.1 -C.sub.6 alkyl), phthalimide, thiophenyl, pyrrol, pyrrolinyl, oxazolyl, or R.sub.1 and R.sub.2 together form --O(CH.sub.2).sub.1-2 O-- or --(CH.sub.2).sub.3-6 -- (except that only one of R.sub.1 and R.sub.2 can be hydrogen or OH in any such compound); R.sub.3 and R.sub.4 are independently chosen from C.sub.2 -C.sub.4 alkenyl, C.sub.3 -C.sub.8 alkynyl, C.sub.3 -C.sub.
    Type: Grant
    Filed: February 2, 1996
    Date of Patent: January 13, 1998
    Assignee: Pharmacia & Upjohn Company
    Inventors: Susanne R. Haadsma-Svensson, Bengt R. Andersson, Clas A. Sonesson, Chiu-Hong Lin, R. Nicholas Waters, Kjell A. I. Svensson, Per A. E. Carlsson, Lars O. Hansson, N. Peter Stjernlof
  • Patent number: 5650427
    Abstract: A compound of Formula I ##STR1## or pharmaceutically acceptable salts of Formula I, where R.sup.1 is H, C.sub.1 -C.sub.3 alkyl, --(CH.sub.2).sub.n CONH.sub.2 where n is 2 to 6, (CH2).sub.n -1-(4,4-dimethylpiperidine-2,6-dione-yl), or cyclopropylmethyl;R.sup.2 is hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 cycloalkyl or combined with R.sup.1 to form a C.sub.3 -C.sub.8 cycloalkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.2 -C.sub.8 akynyl, (CH.sub.2).sub.n --X--Ar where X is O, S, or NH, 3,3,3-trifluoropropyl, --(CH.sub.2).sub.m --R.sup.9 where m is 2 or 3 and R.sup.9 is phenyl, 2-thiophenyl or 3-thiophenyl; R.sup.3 is hydrogen, C.sub.1 -C.sub.3 alkyl, 2,2,2-trifluoroethyl, 3,3,3-trifluoropropyl, formyl, CN, halogen, CH.sub.2 OR.sup.2, C(O)C(O)OR.sup.1, C(O)CO NR.sup.1 R.sup.2, --(CH.sub.2).sub.q --NR.sup.1 R.sup.2 where q is 0 to 5, C.dbd.NOR.sup.2, 2(4,5-dihydro)oxazolyl, or COR.sup.10 where R.sup.10 is H, R.sup.1, NR.sup.1 R.sup.2 or CF.sub.3 ; R.sup.4 is hydrogen, C.sub.1 -C.sub.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 22, 1997
    Assignee: The Upjohn Company
    Inventors: Hakan Vilhelm Wikstrom, Per Arvid Emil Carlsson, Bengt Ronny Andersson, Kjell Anders Ivan Svensson, Stig Thomas Elebring, Nils Peter Stjernlof, Arthur Glenn Romero, Susanne R. Haadsma-Svensson, Chiu-Hong Lin, Michael Dalton Ennis
  • Patent number: 5545755
    Abstract: This invention is therapeutically useful 2-aminotetralins and pharmaceutically acceptable acid addition salts thereof of the formula ##STR1## R, R.sub.1 to R.sub.5 and p are as defined in the specification, these compounds are useful to treat central nervous system disorders, hypertension, diabetes, sexual impotency and to control appetite.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: August 13, 1996
    Assignee: The Upjohn Company
    Inventors: Chiu-Hong Lin, Susanne R. Haadsma-Svensson, Montford F. Piercey, Arthur G. Romero, William H. Darlington
  • Patent number: 5491236
    Abstract: This invention is therapeutically useful tetralins and pharmaceutically acceptable acid addition salts thereof of the formula ##STR1## wherein R, R.sub.1 and A are as defined in claim 1. These compounds are useful to treat central nervous system disorders.
    Type: Grant
    Filed: December 4, 1991
    Date of Patent: February 13, 1996
    Assignee: The Upjohn Company
    Inventor: Chiu-Hong Lin
  • Patent number: 5486611
    Abstract: This invention is therapeutically useful tetralins and pharmaceutically acceptable acid addition salts thereof of the formula I: ##STR1## wherein X is --(CH.sub.2).sub.n -- or --C(R.sub.1)(H)--; R is C.sub.1 -C.sub.8 alkyl; and R.sub.1 and R.sub.2 are the same or different and are selected from the group consisting of hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.2 -C.sub.8) alkynyl, aryl and benzyl.These compounds are useful to treat central nervous system disorders and are unexpectedly resistant to metabolism by the liver and have superior oral plasma bioavailability.
    Type: Grant
    Filed: October 28, 1993
    Date of Patent: January 23, 1996
    Assignee: The Upjohn Company
    Inventors: Chiu-Hong Lin, Susanne R. Haadsma-Svensson, Robert B. McCall, Arthur G. Romero, William H. Darlington, Michael D. Ennis
  • Patent number: 5461061
    Abstract: A compound of Formula I ##STR1## or pharmaceutically acceptable salts of Formula I, where R.sup.1 is H, C.sub.1 -C.sub.3 alkyl, --(CH.sub.2).sub.n CONH.sub.2 where n is 2 to 6, (CH2).sub.n -1-(4,4-dimethylpiperidine-2,6-dione-yl), or cyclopropylmethyl;R.sup.2 is hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 cycloalkyl or combined with R.sup.1 to form a C.sub.3 -C.sub.8 cycloalkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.2 -C.sub.8 akynyl, (CH.sub.2).sub.n --X--Ar where X is O, S, or NH, 3,3,3-trifluoropropyl, --(CH.sub.2).sub.m --R.sup.9 where m is 2 or 3 and R.sup.9 is phenyl, 2-thiophenyl or 3-thiophenyl; R.sup.3 is hydrogen, C.sub.1 -C.sub.3 alkyl, 2,2,2-trifluoroethyl, 3,3,3-trifluoropropyl, formyl, CN, halogen, CH.sub.2 OR.sup.2, C(O)C(O)OR.sup.1, C(O)CO NR.sup.1 R.sup.2, --(CH.sub.2).sub.q --NR.sup.1 R.sup.2 where q is 0 to 5, C.dbd.NOR.sup.2, 2(4,5-dihydro)oxazolyl, or COR.sup.10 where R.sup.10 is H, R.sup.1, NR.sup.1 R.sup.2 or CF.sub.3 ; R.sup.4 is hydrogen, C.sub.1 -C.sub.
    Type: Grant
    Filed: October 28, 1993
    Date of Patent: October 24, 1995
    Inventors: Hakan V. Wikstrom, Per A. E. Carlsson, Bengt R. Andersson, Kjell A. I. Svensson, Stig T. Elebring, Nils P. Stjernlof, Arthur G. Romero, Susanne R. Haadsma-Svensson, Chiu-Hong Lin, Michael D. Ennis
  • Patent number: 5288748
    Abstract: A compound of Formula I ##STR1## or pharmaceutically acceptable salts of Formula I, where R.sup.1 is H, C.sub.1 -C.sub.3 alkyl, --(CH.sub.2).sub.n CONH.sub.2 where n is 2 to 6, (CH2).sub.n -1-(4,4-dimethylpiperidine-2,6-dione-yl), or cyclopropylmethyl;R.sup.2 is hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 cycloalkyl or combined with R.sup.1 to form a C.sub.3 -C.sub.8 cycloalkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.2 -C.sub.8 akynyl, (CH.sub.2).sub.n --R"--Ar where R" is O, S, or NH, 3,3,3-trifluoropropyl, --(CH.sub.2).sub.m --R.sup.9 where m is 2 or 3 and R.sup.9 is phenyl, 2-thienyl or 3-thienyl; R.sup.3 is hydrogen, C.sub.1 -C.sub.3 alkyl, 2,2,2-trifluoroethyl, 3,3,3-trifluoropropyl, formyl, CN, halogen, CH.sub.2 OR.sup.2, C(O)C(O)OR.sup.1, C(O)CO NR.sup.1 R.sup.2, --(CH.sub.2).sub.q --NR.sup.1 R.sup.2 where q is 0 to 5, C.dbd.NOR.sup.2, 2(4,5-dihydro)oxazolyl, or COR.sup.10 where R.sup.10 is H, R.sup.1, NR.sup.1 R.sup.2 or CF.sub.3 ; R.sup.4 is hydrogen, C.sub.1 -C.sub.3 alkyl, cyclopropylmethyl, CF.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: February 22, 1994
    Assignee: The Upjohn Company
    Inventors: Hakan V. Wikstrom, Per A. E. Carlsson, Bengt R. Andersson, Kjell A. I. Svensson, Stig T. Elebring, Nils P. Stjernlof, Arthur G. Romero, Susanne R. Haadsma-Svensson, Chiu-Hong Lin, Michael D. Ennis
  • Patent number: 5245046
    Abstract: Provided are novel .alpha.-aminoindole-3-acetic acid derivatives having the formula ##STR1## wherein R through R9 are as defined in the specification, and pharmacologically acceptable salts of compounds wherein R.sub.9 is not OM, which are useful as anti-diabetic, anti-obesity and anti-atherosclerotic agents.
    Type: Grant
    Filed: May 8, 1991
    Date of Patent: September 14, 1993
    Assignee: The Upjohn Company
    Inventors: Gilbert A. Youngdale, John C. Sih, Steven P. Tanis, Chiu-Hong Lin
  • Patent number: 4939169
    Abstract: Novel 1,4-naphthalenediol and 1,4-hydroquinone derivatives of formula I, II, III and IV and their therapeutic uses as 5-lipoxygenase inhibitors, leukotriene inhibitors, antiinflammatory and/or inhibitors of mucus secretion agents are described. Also provided are novel intermediates useful for the preparation of said derivatives.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: July 3, 1990
    Assignee: The Upjohn Company
    Inventors: Gordon L. Bundy, Chiu-Hong Lin
  • Patent number: 4882433
    Abstract: The present invention provides novel 3'-pyridinylalkenylindole-2-carboxylic acids and derivatives thereof of the formulas I and II ##STR1## which are useful as thromboxane A.sub.2 (TXA.sub.2) synthetase inhibitors and as such represent potent pharmacological agents.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: November 21, 1989
    Assignee: The Upjohn Company
    Inventors: Roy A. Johnson, Chiu-Hong Lin
  • Patent number: 4851586
    Abstract: Novel 1,4-naphthalenediol and 1,4-hydroquinone derivatives of formulas I, II, III and IV and their therapeutic uses as 5-lipoxygenase inhibitors, leukotriene inhibitors, antiinflammatory and/or inhibitors of mucus secretion agents are described. Also provided are novel intermediates useful for the preparation of said derivatives.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: July 25, 1989
    Assignee: The Upjohn Company
    Inventors: Gordon L. Bundy, Chiu-Hong Lin
  • Patent number: 4789745
    Abstract: The present invention provides novel .omega.-(3-pyridynl) oxa-, thia-, and aza- alkanoic acids and esters thereof, which are useful as thromboxane A.sub.2 (TXA.sub.2) inhibitors and as such represent potent pharmacological agents.
    Type: Grant
    Filed: October 16, 1987
    Date of Patent: December 6, 1988
    Assignee: The Upjohn Company
    Inventor: Chiu-Hong Lin
  • Patent number: 4767865
    Abstract: The present invention provides novel 3'-pyridinylalkenylindole-2-carboxylic acids and derivatives thereof of the formula I and II ##STR1## which are useful as thromboxane A.sub.2 (TXA.sub.2) synthetase inhibitors and as such represent potent pharmacological agents.
    Type: Grant
    Filed: June 29, 1987
    Date of Patent: August 30, 1988
    Assignee: The Upjohn Company
    Inventors: Roy A. Johnson, Chiu-Hong Lin
  • Patent number: 4487960
    Abstract: Novel compounds of the following formula: ##STR1##
    Type: Grant
    Filed: April 19, 1982
    Date of Patent: December 11, 1984
    Assignee: The Upjohn Company
    Inventor: Chiu-Hong Lin