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).

  • Publication number: 20220098210
    Abstract: This invention is in the field of medicinal chemistry. In particular, the invention relates to a new class of small-molecules having a quindoline (or similar) structure which function as stabilizers of G-quadruplex (G4) formation, and their use as therapeutics for the treatment of cancer (e.g., castration-resistant prostate cancer), and other conditions mediated by G4 stabilization.
    Type: Application
    Filed: January 29, 2020
    Publication date: March 31, 2022
    Inventors: Laurence Hurley, Biswanath De, Venkateshwar R. Chappeta, Tracy A. Brooks, Vijay Gokhale, Cynthia Miranti, Elsa Reyes Reyes
  • Patent number: 7449474
    Abstract: The present invention relates to 1,1,3-tri-substituted ureas which inhibit the extracellular release of inflammatory cytokines, said cytokines responsible for one or more human or higher mammalian disease states. The present invention further relates to compositions comprising said 1,1,3-tri-substituted ureas which inhibit the extracellular release of inflammatory cytokines, and methods for preventing, abating, or otherwise controlling enzymes which are understood to be the active components responsible for the herein described disease states.
    Type: Grant
    Filed: April 21, 2005
    Date of Patent: November 11, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Todd Andrew Brugel, Jennifer Anne Townes, Michael Philip Clark, Mark Sabat, Adam Golebiowski, Biswanath De, Stephen Matthew Berberich, Gregory Kent Bosch
  • Patent number: 7402589
    Abstract: The present invention relates to 1,1,3-tri-substituted ureas which inhibit the extracellular release of inflammatory cytokines, said cytokines responsible for one or more human or higher mammalian disease states. The present invention further relates to compositions comprising said 1,1,3-tri-substituted ureas which inhibit the extracellular release of inflammatory cytokines, and methods for preventing, abating, or otherwise controlling enzymes which are understood to be the active components responsible for the herein described disease states.
    Type: Grant
    Filed: April 21, 2005
    Date of Patent: July 22, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Todd Andrew Brugel, Jennifer Anne Townes, Michael Philip Clark, Mark Sabat, Adam Golebiowski, Biswanath De
  • Publication number: 20080139588
    Abstract: The present invention relates to 2,6,7-substituted pyrrolo[2,3-d]pyrimidines which inhibit the extracellular release of inflammatory cytokines, said cytokines responsible for one or more human or higher mammalian disease states. The present invention further relates to compositions comprising said 2,6,7-substituted pyrrolo[2,3-d]pyrimidines and methods for preventing, abating, or otherwise controlling enzymes which are understood to be the active components responsible for the herein described disease states.
    Type: Application
    Filed: November 26, 2007
    Publication date: June 12, 2008
    Inventors: Michael Philip Clark, Todd Andrew Brugel, Mark Sabat, Adam Golebiowski, Roger Gunnard Bookland, Biswanath De
  • Patent number: 7319102
    Abstract: The present invention relates to 2,6,7-substituted pyrrolo[2,3-d]pyrimidines which inhibit the extracellular release of inflammatory cytokines, said cytokines responsible for one or more human or higher mammalian disease states. The present invention further relates to compositions comprising said 2,6,7-substituted pyrrolo[2,3-d]pyrimidines and methods for preventing, abating, or otherwise controlling enzymes which are understood to be the active components responsible for the herein described disease states.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: January 15, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Michael Philip Clark, Todd Andrew Brugel, Mark Sabat, Adam Golebiowski, Roger Gunnard Bookland, Biswanath De
  • Patent number: 7256196
    Abstract: The present invention relates to 2,8,9-substituted purines which inhibit the extracellular release of inflammatory cytokines, said cytokines responsible for one or more human or higher mammalian disease states. The present invention further relates to compositions comprising said 2,8,9-substituted purines and methods for preventing, abating, or otherwise controlling enzymes which are understood to be the active components responsible for the herein described disease states.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: August 14, 2007
    Assignee: The Procter & Gamble Company
    Inventors: Mark Sabat, Michael Philip Clark, Todd Andrew Brugel, Adam Golebiowski, John Charles Van Rens, Biswanath De
  • Patent number: 7138395
    Abstract: The present invention relates to novel compounds, compositions comprising said compounds, and uses thereof, said compounds having the formula: X is —CH2—, —O— or —NR9—; R is a carbocyclic or heterocyclic ring; R1 is a cysteine trap; R2a, R2a?, R2b, and R2b? are each independently hydrogen, C1–C4 alkyl, C1–C4 alkoxy, and mixtures thereof; or R2a? and R2b? can taken together to form a double bond; R9 is hydrogen or a unit having the formula -L2-R10; L is the same as defined herein above; R10 is hydrogen; substituted or unsubstituted C1–C6 linear; branched, or cyclic hydrocarbyl; substituted or unsubstituted aryl; substituted or unsubstituted C1–C9 heterocyclic; and substituted or unsubstituted heteroaryl.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: November 21, 2006
    Assignee: 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, Jr.
  • Patent number: 7087615
    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 comprising from 3 to 7 atoms; j is an index from 0 to 5,
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: August 8, 2006
    Assignee: The Procter & Gamble Company
    Inventors: Michael Philip Clark, Matthew John Laufersweiler, Biswanath De, Michael John Janusz
  • Patent number: 7041696
    Abstract: The present invention relates to interleukin-1? converting enzyme inhibitors having the formula: R is a carbocyclic or heterocyclic ring; R1 is a cysteine trap; R2a, R2a?, R2b, and R2b? are each independently hydrogen, C1–C4 alkyl, C1–C4 alkoxy, and mixtures thereof; or R2a? and R2b? can taken together to form a double bond; L and L1 are linking groups having the formula: T is selected from the group consisting of: i) —NR6—; ii) —O—; iii) —NR6S(O)2—; iv) —S(O)2NR6—; and v) mixtures thereof; R6 is hydrogen, substituted or unsubstituted C1–C20 linear, branched, or cyclic alkyl, C6–C20 aryl, C7–C20 alkylenearyl, and mixtures thereof; the indices w, w1, and w2 are each independently 0 or 1; i) hydrogen; ii) C1–C4 linear, branched, and cyclic alkyl; iii) R3a and R3b or R4a, and R4b can be taken together to form a carbonyl unit; iv) two R3a or two R3b units from adjacent carbon atoms or two R4a or two R4b units from adjacent carbon atoms can be taken together to form a double bond; and v) mixtures thereof;
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: May 9, 2006
    Assignee: 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, Jr.
  • Patent number: 7001899
    Abstract: The present invention relates to novel compounds, compositions comprising said compounds, and uses thereof, said compounds having the formula: wherein each X is independently selected from: i) —C(W)2—; ii) —C(O)—; iii) —NR2—; iv) —S—; v) —S(O)—; vi) —S(O)2—; vii) two units, one from each adjacent X unit, can be taken together to form a substituted or unsubstituted double bond having the formula —CW?CW—; wherein each W is hydrogen of a unit having the formula —(L2)j—R2, the index j is 0 or 1; R is a carbocyclic or heterocyclic aryl ring; R1 is a cysteine trap; each R2 is independently a suitable substituent; and L, L1, and L2 are linking units.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: February 21, 2006
    Assignee: 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, Jr.
  • Publication number: 20050245555
    Abstract: The present invention relates to 1,1,3-tri-substituted ureas which inhibit the extracellular release of inflammatory cytokines, said cytokines responsible for one or more human or higher mammalian disease states. The present invention further relates to compositions comprising said 1,1,3-tri-substituted ureas which inhibit the extracellular release of inflammatory cytokines, and methods for preventing, abating, or otherwise controlling enzymes which are understood to be the active components responsible for the herein described disease states.
    Type: Application
    Filed: April 21, 2005
    Publication date: November 3, 2005
    Applicant: The Procter & Gamble Company
    Inventors: Todd Brugel, Jennifer Townes, Michael Clark, Mark Sabat, Adam Golebiowski, Biswanath De
  • Publication number: 20050239811
    Abstract: The present invention relates to 1,1,3-tri-substituted ureas which inhibit the extracellular release of inflammatory cytokines, said cytokines responsible for one or more human or higher mammalian disease states. The present invention further relates to compositions comprising said 1,1,3-tri-substituted ureas which inhibit the extracellular release of inflammatory cytokines, and methods for preventing, abating, or otherwise controlling enzymes which are understood to be the active components responsible for the herein described disease states.
    Type: Application
    Filed: April 21, 2005
    Publication date: October 27, 2005
    Applicant: The Procter & Gamble Company
    Inventors: Todd Brugel, Jennifer Townes, Michael Clark, Mark Sabat, Adam Golebiowski, Biswanath De, Stephen Berberich, Gregory Bosch
  • Patent number: 6949545
    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, n, A, E, X, G, G?, M and Z have the meanings described in the specification and the claims, as well as 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: September 13, 2002
    Date of Patent: September 27, 2005
    Assignee: The Procter & Gamble Company
    Inventors: Stanislaw Pikul, Norman Eugene Ohler, Neil Gregory Almstead, Steven Karl Laughlin, Michael George Natchus, Biswanath De, Paul Mitchell Hershberger
  • Patent number: 6919346
    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: December 2, 2003
    Date of Patent: July 19, 2005
    Assignee: 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: 20050154019
    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). Also disclosed are compounds, pharmaceutical compositions and methods of treating diseases characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.
    Type: Application
    Filed: December 3, 2004
    Publication date: July 14, 2005
    Inventors: Michael Natchus, Biswanath De, Stanislaw Pikul, Neil Almstead, Roger Bookland, Yetunde Taiwo, Menyan Cheng
  • Publication number: 20050137248
    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). Also disclosed are compounds, pharmaceutical compositions and methods of treating diseases characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.
    Type: Application
    Filed: February 16, 2005
    Publication date: June 23, 2005
    Inventors: Michael Natchus, Biswanath De, Stanislaw Pikul, Neil Almstead, Roger Bookland, Yetunde Taiwo, Menyan Cheng
  • Publication number: 20050101567
    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). Also disclosed are compounds, pharmaceutical compositions and methods of treating diseases characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.
    Type: Application
    Filed: December 3, 2004
    Publication date: May 12, 2005
    Inventors: Michael Natchus, Biswanath De, Stanislaw Pikul, Neil Almstead, Roger Bookland, Yetunde Taiwo, Menyan Cheng
  • Patent number: 6872742
    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). Also disclosed are compounds, pharmaceutical compositions and methods of treating diseases characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.
    Type: Grant
    Filed: July 1, 2002
    Date of Patent: March 29, 2005
    Assignee: The Procter & Gamble Company
    Inventors: Michael George Natchus, Biswanath De, Stanislaw Pikul, Neil Gregory Almstead, Roger Gunnard Bookland, Yetunde Olabisi Taiwo, Menyan Cheng
  • Patent number: 6858628
    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). Also disclosed are compounds, pharmaceutical compositions and methods of treating diseases characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: February 22, 2005
    Assignee: The Proctor & Gamble Company
    Inventors: Michael George Natchus, Biswanath De, Stanislaw Pikul, Neil Gregory Almstead, Roger Gunnard Bookland, Yetunde Olabisi Taiwo, Menyan Cheng
  • Patent number: RE43372
    Abstract: Compounds having the general structure: which are useful for the treatment of a variety of diseases and conditions, such as bone disorders.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: May 8, 2012
    Assignee: Duke University
    Inventors: Mitchell Anthony deLong, David Lindsey Soper, John August Wos, Biswanath De