Patents by Inventor Biswanath De

Biswanath De 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: 6852751
    Abstract: Compounds according to the following Formula (I): are effective in treating conditions characterized by excess metalloprotease activity.
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: February 8, 2005
    Assignee: The Procter & Gamble Company
    Inventors: Stanislaw Pikul, Katherine King Mieling, Kelly Michelle Solinsky, Biswanath De, Neil Gregory Almstead, Michael George Natchus, Glen Edward Mieling
  • Patent number: 6821971
    Abstract: The present invention relates to compound which are capable of preventing the extracellular release of inflammatory cytokines, said compounds, including all enantiomeric and diasteriomeric forms and pharmaceutically acceptable salts thereof, have the formula: wherein R comprises ethers or amines; R1 is: a) substituted or unsubstituted aryl; or b) substituted or unsubstituted heteroaryl; R2a and R2b units are each independently hydrogen, ethers, amines, amides, carboxylates, or said units can form a double bond, a carbonyl, or R2a and R2b can be taken together to form a substituted or unsubstituted ring comprising from 4 to 8 atoms, said ring selected from the group consisting of: i) carbocyclic; ii) heterocyclic; iii) aryl; iv) heteroaryl; v) bicyclic; and vi) heterobicyclic.
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: November 23, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Michael Philip Clark, Matthew John Laufersweiler, Jane Far-Jine Djung, Biswanath De
  • Patent number: 6790846
    Abstract: Isoxazolone compounds having the generic structure: are used to treat disease associated with unwanted cytokine activity, including rheumatoid arthritis, osteoarthritis, diabetes, HIV/AIDS, inflammatory bowel disease, Crohn's disease, ulcerative colitis, congestive heart, hypertension, chronic obstructive pulmonary disease, septic shock syndrome, tuberculosis, adult respiratory distress, asthma, atherosclerosis, muscle degeneration, periodontal disease, cachexia, Reiter's syndrome, gout, acute synovitis, anorexia and bulimia nervosa fever, malaise, myalgia and headaches.
    Type: Grant
    Filed: May 7, 2002
    Date of Patent: September 14, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Michael Philip Clark, Jane Far-Jine Djung, Steven Karl Laughlin, Joshua Spector Tullis, Michael George Natchus, Biswanath De
  • Patent number: 6787555
    Abstract: The present invention relates to 4-aryl triazoles having the formula: wherein R1 is independently selected from the group consisting of: lower alkyl, lower alkenyl, lower alkynyl, lower heteroalkyl, lower heteroalkenyl, lower heteroalkynyl, heterocycloalkyl, heteroaryl, halo, CN, OR4, SR4, S(O)R4, S(O)2R4, and NR4R5; and Q is has the general formula: said compounds are useful in treating diseases associated with unwanted cytokine activity, inter alia, interleukin-1 (IL-1) and tumor necrosis factor (TNF) from cells.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: September 7, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Joshua Spector Tullis, John Charles Van Rens, Michael Philip Clark, Benjamin Eric Blass, Michael George Natchus, Biswanath De
  • Publication number: 20040142975
    Abstract: Disclosed are compounds which are inhibitors of metalloproteases and which are effective in treating conditions characterized by excess activity of these enzymes.
    Type: Application
    Filed: December 23, 2003
    Publication date: July 22, 2004
    Applicant: The Procter &Gamble Company
    Inventors: Stanislaw Pikul, Norman Eugene Ohler, Kelly Michelle Solinsky, Neil Gregory Almstead, Biswanath De, Michael George Natchus
  • Publication number: 20040138260
    Abstract: The invention provides compounds according to Formula (I): 1
    Type: Application
    Filed: December 8, 2003
    Publication date: July 15, 2004
    Inventors: Michael George Natchus, Biswanath De, Stanislaw Pikul, Neil Gregory Almstead, Roger Gunnard Bookland, Yetunde Olabisi Taiwo, Menyan Cheng
  • Patent number: 6762198
    Abstract: Disclosed are compounds which are inhibitors of metalloproteases and which are effective in treating conditions characterized by excess activity of these enzymes. In particular, the compounds have a structure according to the following Formula (I): where J, M, Q, T, W, X, Z, R1, R2, R3, R4, R4′, R5, R6, R6′, R7, m, and n have the meanings described in the specification. This invention also includes optical isomers, diastereomers and enantiomers of the formula above, and pharmaceutically-acceptable salts, biohydrolyzable amides, esters, and imides thereof. Also disclosed are pharmaceutical compositions comprising these compounds, and methods of treating or preventing metalloprotease-related maladies using the compounds or the pharmaceutical compositions.
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: July 13, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Menyan Cheng, Neil Gregory Almstead, Michael George Natchus, Stanislaw Pikul, Biswanath De
  • Publication number: 20040127498
    Abstract: Disclosed are compounds which are inhibitors of metalloproteases and which are effective in treating conditions characterized by excess activity of these enzymes.
    Type: Application
    Filed: January 16, 2004
    Publication date: July 1, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Stanislaw Pikul, Norman Eugene Ohler, Neil Gregory Almstead, Steyen Karl Laughlin, Michael George Natchus, Biswanath De, Paul Mitchell Hershberger
  • Publication number: 20040122025
    Abstract: Isoxazolone compounds having the generic structure: 1
    Type: Application
    Filed: December 2, 2003
    Publication date: June 24, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Michael Philip Clark, Jane Far-Jine Djung, Steven Karl Laughlin, Joshua Spector Tullis, Michael George Natchus, Biswanath De
  • Publication number: 20040087639
    Abstract: The present invention relates to compound which are capable of preventing the extracellular release of inflammatory cytokines, said compounds, including all enantiomeric and diasteriomeric forms and pharmaceutically acceptable salts thereof, have the formula: 1
    Type: Application
    Filed: October 20, 2003
    Publication date: May 6, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Michael Philip Clark, Matthew John Laufersweiler, Biswanath De, Michael John Janusz
  • Patent number: 6730668
    Abstract: The present invention relates to compound which are capable of preventing the extracellular release of inflammatory cytokines, said compounds, including all enantiomeric and diasteriomeric forms and pharmaceutically acceptable salts thereof, have the formula: wherein R comprises ethers or amines; R1 is: a) substituted or unsubstituted aryl; or b) substituted or unsubstituted heteroaryl; each R2 unit is independently selected from the group consisting of: a) hydrogen; b) —(CH2)jO(CH2)nR8; c) —(CH2)jNR9aR9b; d) —(CH2)jCO2R10; e) —(CH2)jOCO2R10 f) —(CH2)jCON(R10)2; g) —(CH2)jOCON(R10)2; h) two R2 units can be taken together to form a carbonyl unit; i) and mixtures thereof; R8, R9a, R9b, and R10 are each independently hydrogen, C1-C4 alkyl, and mixtures thereof; R9a and R9b can be taken together to form a carbocyclic or heterocyclic ring comprising from 3 to 7 atoms; two R10 units can be take together to form a carbocyclic or heterocyclic ring
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: May 4, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Michael Philip Clark, Matthew John Laufersweiler, Jane Far-Jine Djung, Michael George Natchus, Biswanath De
  • Patent number: 6727364
    Abstract: The present invention relates to 4-aryl triazoles having the formula: wherein R1 is independently selected from the group consisting of: lower alkyl, lower alkenyl, lower alkynyl, lower heteroalkyl, lower heteroalkenyl, lower heteroalkynyl, heterocycloalkyl, heteroaryl, halo, CN, OR4, SR4, S(O)R4, S(O)2R4, and NR4R5; and Q is has the general formula: said compounds are useful in treating diseases associated with unwanted cytokine activity, inter alia, interleukin-1 (IL-1) and tumor necrosis factor (TNF) from cells.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: April 27, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Joshua Spector Tullis, John Charles Van Rens, Michael Philip Clark, Benjamin Eric Blass, Michael George Natchus, Biswanath De
  • Patent number: 6696456
    Abstract: Disclosed are compounds which are inhibitors of metalloproteases and which are effective in treating conditions characterized by excess activity of these enzymes. In particular, the compounds have a structure according to the following Formula (I): where R1, R2, R3, R4, R5, R6, G and Z have the meanings described in the specification. This invention also includes optical isomers, diastereomers and enantiomers of Formula I, and pharmaceutically-acceptable salts, biohydrolyzable amides, esters, and imides thereof. Also described are pharmaceutical compositions comprising these compounds, and methods of treating metalloprotease-related maladies using the compounds or the pharmaceutical compositions.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: February 24, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Stanislaw Pikul, Norman Eugene Ohler, Kelly Michelle Solinsky, Neil Gregory Almstead, Biswanath De, Michael George Natchus
  • Publication number: 20040014753
    Abstract: The present invention relates to novel compounds, compositions comprising said compounds, and uses thereof, said compounds having the formula: 1
    Type: Application
    Filed: June 9, 2003
    Publication date: January 22, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Steven Victor O'Neil, Michael Christopher Laufersweiler, Yili Wang, Kofi Abeka Oppong, David Lindsey Soper, John August Wos, Biswanath De, Thomas Prosser Demuth
  • Publication number: 20040009966
    Abstract: The present invention relates to novel compounds, compositions comprising said compounds, and uses thereof, said compounds having the formula: 1
    Type: Application
    Filed: June 9, 2003
    Publication date: January 15, 2004
    Applicant: The Procter & Gamble Company
    Inventors: John August Wos, Yili Wang, Kofi Abeka Oppong, Steven Victor O'Neil, Michael Christopher Laufersweiler, David Lindsey Soper, Biswanath De, Thomas Prosser Demuth
  • Patent number: 6677337
    Abstract: The present invention relates to compounds which are capable of preventing the extracellular release of inflammatory cytokines, said compounds, or enantiomeric and diasteriomeric forms or pharmaceutically acceptable salts thereof, have the formula: wherein R is an ether or amino unit, R1 is substituted phenyl, each R2 and R3 unit is independently selected from the group consisting of: a) hydrogen; and b) substituted or unsubstituted C1-C10 hydrocarbyl selected from the group consisting of: i) C1-C10 linear, branched or cyclic alkyl; ii) C1-C10 aryl; iii) C1-C10 heterocyclic; iv) C1-C10 heteroaryl.
    Type: Grant
    Filed: March 5, 2003
    Date of Patent: January 13, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Matthew John Laufersweiler, Cynthia Monesa Crago Clark, Michael Philip Clark, Jane Far-Jine Djung, Biswanath De, Michael George Natchus
  • Publication number: 20030236296
    Abstract: The present invention relates to interleukin-1&bgr; converting enzyme inhibitors having the formula: 1
    Type: Application
    Filed: June 9, 2003
    Publication date: December 25, 2003
    Applicant: The Procter & Gamble Company
    Inventors: John August Wos, David Lindsey Soper, Steven Victor O'Neil, Yili Wang, Kofi Abeka Oppong, Michael Christopher Laufersweiler, Jian Chen, Biswanath De, Thomas Prosser Demuth
  • Publication number: 20030225074
    Abstract: Disclosed are compounds which are inhibitors of metalloproteases and which are effective in treating conditions characterized by excess activity of these enzymes.
    Type: Application
    Filed: March 25, 2003
    Publication date: December 4, 2003
    Applicant: The Procter & Gamble Company
    Inventors: Menyan Cheng, Neil Gregory Almstead, Michael George Natchus, Stanislaw Pikul, Biswanath De
  • Publication number: 20030225082
    Abstract: The present invention relates to compounds which are capable of preventing the extracellular release of inflammatory cytokines, said compounds, or enantiomeric and diasteriomeric forms or pharmaceutically acceptable salts thereof, have the formula: 1
    Type: Application
    Filed: March 5, 2003
    Publication date: December 4, 2003
    Inventors: Matthew John Laufersweiler, Cynthia Monesa Crago Clark, Michael Philip Clark, Jane Far-Jine Djung, Biswanath De, Michael George Natchus
  • Publication number: 20030191163
    Abstract: The invention provides compounds which are useful as inhibitors of metalloproteases, and which are effective in treating conditions characterized by excess activity of these enzymes. In particular, the present invention relates to a compound having a structure according to Formula (I).
    Type: Application
    Filed: December 3, 2002
    Publication date: October 9, 2003
    Applicant: The Procter & Gamble Company
    Inventors: Michael George Natchus, Biswanath De, Stanislaw Pikul, Neil Gregory Almstead, Roger Gunnard Bookland, Yetunde Olabisi Taiwo, Menyan Cheng