Patents by Inventor Barbara B. Chen

Barbara B. Chen 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: 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: 7115596
    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 ?v?3 and/or the ?v?5 integrin without significantly inhibiting the ?v?6 integrin.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: October 3, 2006
    Assignee: Pharmacia Corporation
    Inventors: John A. Wendt, Heather Stenmark, Hongwei Wu, Yaping Wang, Barbara B. Chen, Thomas D. Penning, Victoria L. Downs, Mark L. Boys, Mark Russell, Dale P. Spangler
  • 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: 20040043988
    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.
    Type: Application
    Filed: August 21, 2003
    Publication date: March 4, 2004
    Inventors: Ish Kurmar Khanna, Michael Clare, Alan Gasiecki, Thomas Rogers, Barbara B. Chen, Mark Russell, Hwang-Fun Lu
  • 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
  • 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
  • Patent number: 6403648
    Abstract: Compounds characterized generally as alkylaminoalkyl-terminated &bgr;-alanineamide amino diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of the formula wherein n is two or three; wherein x is a number selected from zero, one and two; wherein R2 is selected from hydrido, methyl, ethyl and phenyl; wherein R3 is selected from hydrido, cyclohexylmethyl, benzyl, fluorobenzyl, chlorobenzyl, napthylmethyl, fluoronaphthylmethyl and chloronaphthylmethyl; wherein R5 is methyl; wherein R7 is cyclohexylmethyl; wherein R8 is selected from n-propyl, isobutyl, cyclopropyl, cyclopropylmethyl, allyl and vinyl; and wherein each of R9 and R10 is a group independently selected from methyl, ethyl and isopropyl; or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: June 11, 2002
    Assignee: G. D. Searle & Co.
    Inventors: Gunnar J. Hanson, John S. Baran, Barbara B. Chen
  • Publication number: 20010011101
    Abstract: Compounds characterized generally as alkylaminoalkyl-terminated &bgr;-alanineamide amino diol derivatives are useful as renin inhibitors for the treatment of hypertension.
    Type: Application
    Filed: January 17, 2001
    Publication date: August 2, 2001
    Inventors: Gunnar J. Hanson, John S. Baran, Barbara B. Chen
  • Patent number: 6251944
    Abstract: The present invention relates to a class of compounds represented by Formula I or a pharmaceutically acceptable salt thereof, pharmaceutical composition comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the &agr;v&bgr;3 integrin.
    Type: Grant
    Filed: April 8, 1999
    Date of Patent: June 26, 2001
    Assignee: G. D. Searle & Company
    Inventors: Barbara B. Chen, Helen Y. Chen, Glen J. Gesicki, Richard A. Haack, James W. Malecha, Thomas D. Penning, Joseph G. Rico, Thomas E. Rogers, Peter G. Ruminski, Mark A. Russell, Stella S. Yu
  • Patent number: 5968984
    Abstract: Compounds characterized generally as alkylaminoalkyl-terminated .beta.-alanineamide amino diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of the formula ##STR1## wherein n is two or three; wherein x is a number selected from zero, one and two; wherein R.sup.2 is selected from hydrido, methyl, ethyl and phenyl; wherein R.sup.3 is selected from hydrido, cyclohexylmethyl, benzyl, fluorobenzyl, chlorobenzyl, napthylmethyl, fluoronaphthylmethyl and chloronaphthylmethyl; wherein R.sup.5 is methyl; wherein R.sup.7 is cyclohexylmethyl; wherein R.sup.8 is selected from n-propyl, isobutyl, cyclopropyl, cyclopropylmethyl, allyl and vinyl; and wherein each of R.sup.9 and R.sup.10 is a group independently selected from methyl, ethyl and isopropyl; or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: July 14, 1997
    Date of Patent: October 19, 1999
    Assignee: G. D. Searle & Co.
    Inventors: Gunnar J. Hanson, John S. Baran, Barbara B. Chen
  • Patent number: 5952381
    Abstract: The present invention relates to a class of compounds represented by Formula I ##STR1## or a pharmaceutically acceptable salt thereof, pharmaceutical composition comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the .alpha..sub.v .beta..sub.3 integrin.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: September 14, 1999
    Assignee: G. D. Searle & Co.
    Inventors: Barbara B. Chen, Helen Y. Chen, Glen J. Gesicki, Richard A. Haack, James W. Malecha, Thomas D. Penning, Joseph G. Rico, Thomas E. Rogers, Peter G. Ruminski, Mark A. Russell, Stella S. Yu
  • Patent number: 5852210
    Abstract: The present invention relates to a class of compounds represented by the Formula I ##STR1## or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the .alpha..sub.v .beta..sub.3 integrin.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: December 22, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Barbara B. Chen, Helen Y. Chen, Michael Clare, Stephen H. Docter, Ish Kumar Khanna, Francis Jan Koszyk, James W. Malecha, Julie Marion Miyashiro, Thomas D. Penning, Joseph G. Rico, Peter G. Ruminski, Mark A. Russell, Richard Mathias Weier, Xiangdong Xu, Stella S. Yu, Yi Yu
  • Patent number: 5773644
    Abstract: The present invention relates to a class of compounds represented by the Formula I ##STR1## or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the .alpha..sub.v .beta..sub.3 integrin.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: June 30, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Barbara B. Chen, Helen Y. Chen, Michael Clare, Shashidhar N. Rao, Mark A. Russell
  • Patent number: 5773646
    Abstract: The present invention relates to a class of compounds represented by the Formula I ##STR1## or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the .alpha..sub.v .beta..sub.3 integrin.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: June 30, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Nizal Chandrakumar, Barbara B. Chen, Helen Y. Chen, Michael Clare, Alan F. Gasiecki, Richard A. Haack, James W. Malecha, Peter G. Ruminski, Mark A. Russell
  • Patent number: 5756549
    Abstract: Compounds characterized generally as alkylaminoalkyl-terminated sulfide/sulfonyl-containing cycloalkylalkyl alanine amino-diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of Formula II: ##STR1## wherein m is is two or three; wherein x is zero or two; wherein R.sup.2 is selected from hydrido, methyl, ethyl and phenyl; wherein R.sup.3 is selected from hydrido, cyclohexylmethyl, benzyl, fluorobenzyl, chlorobenzyl, fluoronaphthylmethyl and chloronaphthylmethyl; wherein R.sup.5 is selected from cycloalkylalkyl groups containing from three to about twelve carbon atoms; wherein R.sup.7 is cyclohexylmethyl; wherein R.sup.8 is selected from n-propyl, isobutyl, cyclopropyl;, cyclopropylmethyl, allyl and vinyl; and wherein each of R.sup.9 and R.sup.10 is a group independently selected from methyl, ethyl and isopropyl; or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: January 29, 1996
    Date of Patent: May 26, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Barbara B. Chen, Gunnar J. Hanson, John S. Baran
  • 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: 5488066
    Abstract: Compounds characterized generally as alkylaminoalkyl-terminated sulfide/sulfonyl-containing cycloalkylalkyl alanine amino-diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of Formula II: ##STR1## wherein m is two or three; wherein x is zero or two; wherein R.sup.2 is selected from hydrido, methyl, ethyl and phenyl; wherein R.sup.3 is selected from hydrido, cyclohexylmethyl, benzyl, fluorobenzyl, chlorobenzyl, fluoronaphthylmethyl and chloronaphthylmethyl; wherein R.sup.5 is selected from cycloalkylalkyl groups containing from three to about twelve carbon atoms; wherein R.sup.7 is cyclohexylmethyl; wherein R.sup.8 is selected from n-propyl, isobutyl, cyclopropyl, cyclopropylmethyl, allyl and vinyl; and wherein each of R.sup.9 and R.sup.10 is a group independently selected from methyl, ethyl and isopropyl; or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: January 23, 1995
    Date of Patent: January 30, 1996
    Assignee: G. D. Searle & Co.
    Inventors: Barbara B. Chen, Gunnar J. Hanson, John S. Baran
  • Patent number: 5432201
    Abstract: Compounds characterized generally as alkylaminoalkyl-terminated .beta.-alanineamide amino diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of the formula ##STR1## wherein n is two or three; wherein x is a number selected from zero, one and two; wherein R.sup.2 is selected from hydrido, methyl, ethyl and phenyl; wherein R.sup.3 is selected from hydrido, cyclohexylmethyl, benzyl, fluorobenzyl, chlorobenzyl, napthylmethyl, fluoronaphthylmethyl and chloronaphthylmethyl; wherein R.sup.5 is methyl; wherein R.sup.7 is cyclohexylmethyl; wherein R.sup.8 is selected from n-propyl, isobutyl, cyclopropyl, cyclopropylmethyl, allyl and vinyl; and wherein each of R.sup.9 and R.sup.10 is a group independently selected from methyl, ethyl and isopropyl; or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: July 11, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Gunnar J. Hanson, John S. Baran, Barbara B. Chen
  • Patent number: 5416119
    Abstract: Compounds characterized generally as alkylaminoalkyl-terminated sulfide/sulfonyl-containing cycloalkylalkyl alanine amino-diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of Formula II: ##STR1## wherein m is two or three; wherein x is zero or two; wherein R.sup.2 is selected from hydrido, methyl, ethyl and phenyl; wherein R.sup.3 is selected from hydrido, cyclohexylmethyl, benzyl, fluorobenzyl, chlorobenzyl, fluoronaphthylmethyl and chloronaphthylmethyl; wherein R.sup.5 is selected from cycloalkylalkyl groups containing from three to about twelve carbon atoms; wherein R.sup.7 is cyclohexylmethyl; wherein R.sup.8 is selected from n-propyl, isobutyl, cyclopropyl, cyclopropylmethyl, allyl and vinyl; and wherein each of R.sup.9 and R.sup.10 is a group independently selected from methyl, ethyl and isopropyl; or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: October 25, 1993
    Date of Patent: May 16, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Barbara B. Chen, Gunnar J. Hanson, John S. Baran
  • Patent number: 5317039
    Abstract: Compounds characterized generally as cyclopropyl alanine aryl/alkylsulfide/sulfonyl-terminated amino diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of the formula ##STR1## wherein R.sup.1 is selected from isopropyl, isobutyl, sec-butyl, tert-butyl, phenyl, fluorophenyl, chlorophenyl, benzyl, fluorobenzyl, chlorobenzyl, naphthyl, fluoronaphthyl, chloronaphthyl, fluoronapthylmethyl and chloronaphthylmethyl; wherein x is zero or two; wherein R.sup.2 is selected from hydrido, methyl, ethyl and phenyl; wherein R.sup.3 is selected from hydrido, cyclohexylmethyl, benzyl, fluorobenzyl, chlorobenzyl, fluoronaphthylmethyl and chloronaphthylmethyl; wherein R.sup.5 is cyclopropylmethyl wherein R.sup.7 is cyclohexylmethyl; and wherein R.sup.8 is selected from n-propyl, isobutyl, cyclopropyl, cyclopropylmethyl, allyl and vinyl.
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: May 31, 1994
    Assignee: G. D. Searle & Co.
    Inventors: Barbara B. Chen, Gunnar J. Hanson, John S. Baran