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).
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Publication number: 20100144698Abstract: 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: ApplicationFiled: February 10, 2010Publication date: June 10, 2010Applicant: DAIAMEDInventors: 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
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Publication number: 20090143351Abstract: 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: ApplicationFiled: January 26, 2009Publication date: June 4, 2009Applicant: DAIAMEDInventors: 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
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Patent number: 7501404Abstract: 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: GrantFiled: April 4, 2006Date of Patent: March 10, 2009Assignee: DAIMEDInventors: 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
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Patent number: 7119098Abstract: 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: GrantFiled: June 15, 2001Date of Patent: October 10, 2006Assignee: Pharmacia CorporationInventors: 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
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Patent number: 6828446Abstract: 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: GrantFiled: December 23, 2002Date of Patent: December 7, 2004Assignee: Pharmacia CorporationInventors: Nizal S. Chandrakumar, Christopher R. Dalton, James W. Malecha, Michael B. Tollefson, Jennifer Ann Van Camp, Phillip B. Cox
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Publication number: 20040110947Abstract: 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: ApplicationFiled: September 17, 2003Publication date: June 10, 2004Applicant: Pharmacia CorporationInventors: Nizal S. Chandrakumar, Christopher R. Dalton, James W. Malecha, Michael B. Tollefson, Jennifer Ann Van Camp, Philip B. Cox
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Publication number: 20040092497Abstract: 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: ApplicationFiled: September 5, 2003Publication date: May 13, 2004Inventors: 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
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Publication number: 20040058915Abstract: 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: ApplicationFiled: August 18, 2003Publication date: March 25, 2004Inventors: Ish Kumar Khanna, Yi Yu, Devadas Balekudra, Hwang-Fun Lu, Nizal S. Chandrakumar
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Publication number: 20040043994Abstract: The present invention relates to a class of compounds represented by the Formula I.Type: ApplicationFiled: January 21, 2003Publication date: March 4, 2004Inventors: 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
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Publication number: 20040024024Abstract: 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: ApplicationFiled: November 12, 2002Publication date: February 5, 2004Inventors: 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
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Publication number: 20030207898Abstract: 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: ApplicationFiled: December 23, 2002Publication date: November 6, 2003Applicant: Pharmacia CorporationInventors: Nizal S. Chandrakumar, Christopher R. Dalton, James W. Malecha, Michael B. Tollefson, Jennifer Ann Van Camp, Philip B. Cox
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Patent number: 6531494Abstract: 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: GrantFiled: August 29, 2001Date of Patent: March 11, 2003Assignee: Pharmacia CorporationInventors: 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
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Publication number: 20020072518Abstract: The present invention relates to a class of compounds represented by the Formula I 1Type: ApplicationFiled: August 29, 2001Publication date: June 13, 2002Inventors: Ish Kumar Khanna, Yi Yu, Balekudru Devadas, Hwang-Fun Lu, Nizal S. Chandrakumar, Renee M. Huff, Bipinchandra N. Desai, Srinivasan Raj Nagarajan
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Patent number: 6114381Abstract: 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: GrantFiled: October 13, 1998Date of Patent: September 5, 2000Assignee: G. D. Searle & Co.Inventors: Barnett S. Pitzele, Nizal S. Chandrakumar, Michael Clare
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Patent number: 5604220Abstract: 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: GrantFiled: March 14, 1995Date of Patent: February 18, 1997Assignee: G. D. Searle & CompanyInventors: Nizal S. Chandrakumar, Richard A. Mueller
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Patent number: 5585492Abstract: 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: GrantFiled: October 11, 1994Date of Patent: December 17, 1996Assignee: 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
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Patent number: 5512561Abstract: 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: GrantFiled: March 10, 1995Date of Patent: April 30, 1996Assignee: G. D. Searle & Co.Inventors: Nizal S. Chandrakumar, Horng-Chih Huang, Richard A. Mueller
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Patent number: 5449673Abstract: 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: GrantFiled: January 10, 1994Date of Patent: September 12, 1995Assignee: G. D. Searle & Co.Inventors: Nizal S. Chandrakumar, Timothy J. Hagen, E. Ann Hallinan, Robert K. Husa
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Patent number: 5449675Abstract: 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: GrantFiled: June 9, 1994Date of Patent: September 12, 1995Assignee: G. D. Searle & Co.Inventors: Nizal S. Chandrakumar, Donald W. Hansen, Jr., Karen B. Peterson, Barnett S. Pitzele
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Patent number: 5449674Abstract: 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: GrantFiled: March 3, 1994Date of Patent: September 12, 1995Assignee: G. D. Searle & Co.Inventors: Timothy J. Hagen, Nizal S. Chandrakumar, E. Ann Hallinan, Shashidhar N. Rao, Barnett S. Pitzele