Patents by Inventor Nizal S. Chandrakumar

Nizal S. Chandrakumar 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).

  • Publication number: 20100144698
    Abstract: Compounds are provided which have the structure Wherein A, B, C, D, m, Y, Ra, Rc, Rd, and Rd? are as described herein, and which are useful as inhibitors of tryptase, thrombin, trypsin, Factor Xa, Factor VIIa, Factor XIa, and urokinase-type plasminogen activator and may be employed in preventing and/or treating asthma, chronic asthma, allergic rhinitis, and thrombotic disorders.
    Type: Application
    Filed: February 10, 2010
    Publication date: June 10, 2010
    Applicant: DAIAMED
    Inventors: Thomas Bannister, Cassandra Celatka, Nizal S. Chandrakumar, Hongfeng Deng, Zihong Guo, Lei Jin, Tsveltelina Lazarova, Jian Lin, Scott T. Moe, Pamela Nagafuji, Manuel Navia, Amy Ripka, Michael J. Rynkiewicz, Kerry L. Spear, James E. Stickler, Roger Xie
  • Publication number: 20090143351
    Abstract: Compounds are provided which have the structure Wherein A, B, C, D, m, Y, Ra, Rc, Rd, and Rd? are as described herein, and which are useful as inhibitors of tryptase, thrombin, trypsin, Factor Xa, Factor VIIa, Factor XIa, and urokinase-type plasminogen activator and may be employed in preventing and/or treating asthma, chronic asthma, allergic rhinitis, and thrombotic disorders.
    Type: Application
    Filed: January 26, 2009
    Publication date: June 4, 2009
    Applicant: DAIAMED
    Inventors: Thomas Bannister, Cassandra Celatka, Nizal S. Chandrakumar, Hongfeng Deng, Zihong Guo, Lei Jin, Tsvetelina Lazarova, Jian Lin, Scott T. Moe, Pamela Nagafuji, Manuel Navia, Amy Ripka, Michael J. Rynkiewicz, Kerry L. Spear, James E. Stickler, Roger Xie
  • Patent number: 7501404
    Abstract: Compounds are provided which have the structure Wherein A, B, C, D, m, Y, Ra, Rc, Rd, and Rd? are as described herein, and which are useful as inhibitors of tryptase, thrombin, trypsin, Factor Xa, Factor VIIa, Factor XIa, and urokinase-type plasminogen activator and may be employed in preventing and/or treating asthma, chronic asthma, allergic rhinitis, and thrombotic disorders.
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: March 10, 2009
    Assignee: DAIMED
    Inventors: Thomas Bannister, Cassandra Celatka, Nizal S. Chandrakumar, Hongfeng Deng, Zihong Guo, Lei Jin, Tsvetelina Lazarova, Jian Lin, Scott T. Moe, Pamela Nagafuji, Manuel Navia, Amy Ripka, Michael J. Rynkiewicz, Kerry L. Spear, James E. Stickler, Roger Xie
  • Patent number: 7119098
    Abstract: The present invention relates to a class of compounds represented by formula (I) or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of Formula (I), and methods of selectively antagonizing the ???3 and/or the ???5 integrin without significantly antagonizing the IIb/IIIa integrin.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: October 10, 2006
    Assignee: Pharmacia Corporation
    Inventors: Srinivasan Raj Nagarajan, Ish Kumar Khanna, Michael B. Tollefson, Scott B. Mohler, Barbara B. Chen, Mark Russell, Balekudru Devadas, Thomas D. Penning, Lori A. Schretzman, Dale P. Spangler, Mark L. Boys, Nizal S. Chandrakumar, Hwang-Fun Lu
  • Patent number: 6828446
    Abstract: The present invention is directed to selective LXR modulators, small molecule compounds corresponding to Formula I and is further directed to a process of treating a condition in a mammal that is modulated by LXR using a therapeutically effective dose of a compound of Formula I.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: December 7, 2004
    Assignee: Pharmacia Corporation
    Inventors: Nizal S. Chandrakumar, Christopher R. Dalton, James W. Malecha, Michael B. Tollefson, Jennifer Ann Van Camp, Phillip B. Cox
  • Publication number: 20040110947
    Abstract: The present invention is directed to selective LXR modulators, small molecule compounds corresponding to Formula I and is further directed to a process of treating a condition in a mammal that is modulated by LXR using a therapeutically effective dose of a compound of Formula I.
    Type: Application
    Filed: September 17, 2003
    Publication date: June 10, 2004
    Applicant: Pharmacia Corporation
    Inventors: Nizal S. Chandrakumar, Christopher R. Dalton, James W. Malecha, Michael B. Tollefson, Jennifer Ann Van Camp, Philip B. Cox
  • Publication number: 20040092497
    Abstract: The present invention relates to a class of compounds represented by formula (I) or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of Formula (I), and methods of selectively antagonizing the &agr;&ngr;&bgr;3 and/or the &agr;&ngr;&bgr;5 integrin without significantly antagonizing the IIb/IIIa integrin.
    Type: Application
    Filed: September 5, 2003
    Publication date: May 13, 2004
    Inventors: Srinivasan Raj Nagarajan, Ish Kumar Khanna, Michael B. Tollefson, Scott B, Mohler, Barbara B. Chen, Mark Russell, Balekudru Devadas, Thomas D. Penning, Lori A. Schretzman, Dale P. Spangler, Mark L. Boys, Nizal S. Chandrakumar, Hwang-Fun Lu
  • Publication number: 20040058915
    Abstract: The present invention relates to a class of compounds represented by the Formula I or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the &agr;v&bgr;3 and/or &agr;v&bgr;5 integrin. The ring A-B, is selected from the group consisting of the formula II all optionally substituted and bonded to X and Z1 at any position.
    Type: Application
    Filed: August 18, 2003
    Publication date: March 25, 2004
    Inventors: Ish Kumar Khanna, Yi Yu, Devadas Balekudra, Hwang-Fun Lu, Nizal S. Chandrakumar
  • Publication number: 20040043994
    Abstract: The present invention relates to a class of compounds represented by the Formula I.
    Type: Application
    Filed: January 21, 2003
    Publication date: March 4, 2004
    Inventors: Ish Kumar Khanna, Yi Yu, Hwang-Fun Lu, Nizal S. Chandrakumar, Renee M. Huff, Mark Russell, Mark L. Boys, Lori A. Schretzman, Barbara B. Chen, Bipinchandra N. Desai, Srinivasan Raj Nagarajan, Alan F. Gasiecki, Thomas D. Penning, Thomas Rogers, John Adam Wendt, Albert Khilevich, Yaping Wang
  • Publication number: 20040024024
    Abstract: This invention is directed to aromatic sulfone hydroxamates (also known as “aromatic sulfone hydroxamic acids”) and salts thereof that, inter alia, inhibit matrix metalloproteinase (also known as “matrix metalloprotease” or “MMP”) activity and/or aggrecanase activity. This invention also is directed to a prevention or treatment method that comprises administering such a compound or salt in an MMP-inhibiting and/or aggrecanase-inhibiting effective amount to an animal, particularly a mammal having (or disposed to having) a pathological condition associated with MMP and/or aggrecanase activity.
    Type: Application
    Filed: November 12, 2002
    Publication date: February 5, 2004
    Inventors: John N. Freskos, Y vette M. Fobian, Alok K. Awasthi, Thomas E. Barta, Daniel P. Becker, Louis J. Bedell, Terri L. Boehm, Jeffery N. Carroll, Nizal S. Chandrakumar, Gary A. DeCrescenzo, Bipin N. Desai, Marcia I. Heron, Susan L. Hockerman, Sara M. Jull, Darren J. Kassab, Steve A. Kolodziej, Joseph McDonald, Deborah A. Mischke, Patrick B. Mullins, Monica B. Norton, Joseph G. Rico, John J. Talley, Mahima Trivedi, Clara I. Villamil, Lijuan Jane Wang
  • Publication number: 20030207898
    Abstract: The present invention is directed to selective LXR modulators, small molecule compounds corresponding to Formula I and is further directed to a process of treating a condition in a mammal that is modulated by LXR using a therapeutically effective dose of a compound of Formula I.
    Type: Application
    Filed: December 23, 2002
    Publication date: November 6, 2003
    Applicant: Pharmacia Corporation
    Inventors: Nizal S. Chandrakumar, Christopher R. Dalton, James W. Malecha, Michael B. Tollefson, Jennifer Ann Van Camp, Philip B. Cox
  • Patent number: 6531494
    Abstract: The present invention relates to a class of compounds represented by the Formula I. or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the &agr;V&bgr;3 and/or the &agr;V&bgr;5 integrin.
    Type: Grant
    Filed: August 29, 2001
    Date of Patent: March 11, 2003
    Assignee: Pharmacia Corporation
    Inventors: Ish Kumar Khanna, Yi Yu, Balekudru Devadas, Hwang-Fun Lu, Nizal S Chandrakumar, Renee M. Huff, Bipinchandra N. Desai, Srinivasan Raj Nagarajan, Alan F. Gasiecki, Thomas D. Penning, Mark A. Russell, Mark L. Boys, Lori A. Schretzman, Barbara B. Chen, Thomas Rogers, John Adam Wendt, Albert Khilevich, Yaping Wang
  • Publication number: 20020072518
    Abstract: The present invention relates to a class of compounds represented by the Formula I 1
    Type: Application
    Filed: August 29, 2001
    Publication date: June 13, 2002
    Inventors: Ish Kumar Khanna, Yi Yu, Balekudru Devadas, Hwang-Fun Lu, Nizal S. Chandrakumar, Renee M. Huff, Bipinchandra N. Desai, Srinivasan Raj Nagarajan
  • Patent number: 6114381
    Abstract: Compounds, compositions and methods of treatment are described to control brain damage associated with anoxia or ischemia which typically follows stroke, cardiac arrest or perinatal asphyxia. The treatment includes administration of a .beta.-phenyl-.alpha.-aminopropionic acid N phenyl amide compound as an antagonist to inhibit excitotoxic actions at major neuronal excitatory amino acid receptor sites. Compounds of most interest are those of the formula ##STR1## wherein each of R.sup.1 and R.sup.5 is independently selected from hydrido, fluoro, chloro, bromo, methyl and ethyl; wherein R.sup.3 is selected from hydroxy, methoxy, ethoxy, methoxycarbonyloxy, ethoxycarbonyloxy, (2-methylpropoxy)carbonyloxy and (2-propenyloxy) carbonyloxy; wherein each of R.sup.6, R.sup.7 and R.sup.8 is hydrido; wherein each of R.sup.9 and R.sup.10 is independently selected from hydrido, methyl and ethyl; wherein R.sup.
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: September 5, 2000
    Assignee: G. D. Searle & Co.
    Inventors: Barnett S. Pitzele, Nizal S. Chandrakumar, Michael Clare
  • Patent number: 5604220
    Abstract: The present invention provides substituted dibenzoxazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, and as prostaglandin-E.sub.2 antagonists for the treatment of prostaglandin-E.sub.2 mediated diseases, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, a method for eliminating or ameliorating pain in an animal, and a method for treating prostaglandin-E.sub.2 mediated diseases in an animal, comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: February 18, 1997
    Assignee: G. D. Searle & Company
    Inventors: Nizal S. Chandrakumar, Richard A. Mueller
  • Patent number: 5585492
    Abstract: The present invention provides compounds of the formula Ar.sup.1 --Q--Ar.sup.2 --Y--R--Z and pharmaceutically acceptable salts thereof wherein Ar.sup.1 and Ar.sup.2 are optionally substituted aryl moieties, Z is an optionally substituted nitrogen-containing moiety which may be an acyclic, cyclic or bicyclic amine or an optionally substituted monocyclic or bicyclic nitrogen-containing heteroaromatic moiety; Q is a linking group capable of linking two aryl groups; R is an alkylene moiety; Y is a linking moiety capable of linking an aryl group to an alkylene moiety and wherein Z is bonded to R through a nitrogen atom. The compounds and pharmaceutical compositions of the present invention are useful in the treatment of inflammatory diseases which are mediated by LTB.sub.4 production, such as psoriasis, ulcerative colitis, IBD and asthma.
    Type: Grant
    Filed: October 11, 1994
    Date of Patent: December 17, 1996
    Assignee: G. D. Searle & Co.
    Inventors: Nizal S. Chandrakumar, Barbara B. Chen, Michael Clare, Bipinchandra N. Desai, Stevan W. Djuric, Stephen H. Docter, Alan F. Gasiecki, Richard A. Haack, Chi-Dean Liang, Julie M. Miyashiro, Thomas D. Penning, Mark A,. Russell, Stella S. Yu
  • Patent number: 5512561
    Abstract: The present invention provides substituted dibenzoxazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, and for the treatment of prostaglandin E.sub.2 -mediated diseases, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, a method for eliminating or ameliorating pain in an animal, and a method for treating prostaglandin E.sub.2 -mediated diseases in an animal, comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: April 30, 1996
    Assignee: G. D. Searle & Co.
    Inventors: Nizal S. Chandrakumar, Horng-Chih Huang, Richard A. Mueller
  • Patent number: 5449673
    Abstract: The present invention provides substituted dibenzoxazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, and a method for eliminating or ameliorating pain in an animal comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: September 12, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Nizal S. Chandrakumar, Timothy J. Hagen, E. Ann Hallinan, Robert K. Husa
  • Patent number: 5449675
    Abstract: The present invention provides substituted dibenzoxazepine and dibenzthiazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, and a method for eliminating or ameliorating pain in an animal comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: June 9, 1994
    Date of Patent: September 12, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Nizal S. Chandrakumar, Donald W. Hansen, Jr., Karen B. Peterson, Barnett S. Pitzele
  • Patent number: 5449674
    Abstract: The present invention provides substituted dibenzoxazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, and a method for eliminating or ameliorating pain in an animal comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: March 3, 1994
    Date of Patent: September 12, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Timothy J. Hagen, Nizal S. Chandrakumar, E. Ann Hallinan, Shashidhar N. Rao, Barnett S. Pitzele