Patents by Inventor Timothy B. Lowinger

Timothy B. Lowinger 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: 9144615
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: September 29, 2015
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Publication number: 20150125474
    Abstract: A polymeric scaffold useful for conjugating with a protein based recognition-molecule (PBRM) to form a PBRM-polymer-drug conjugate is described herein. The scaffold includes one or more terminal maleimido groups. Also disclosed is a PBRM-polymer-drug conjugate prepared from the scaffold. Compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions are also described.
    Type: Application
    Filed: October 10, 2014
    Publication date: May 7, 2015
    Inventors: Roger A. Smith, Nitin K. Damle, Aleksandr V. Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Cheri A. Stevenson, Venu R. Gurijala
  • Publication number: 20150104407
    Abstract: A polymeric scaffold useful for conjugating with a protein based recognition-molecule (PBRM) to form a PBRM-polymer-drug conjugate is described herein. The scaffold includes one or more terminal maleimido groups. Also disclosed is a PBRM-polymer-drug conjugate prepared from the scaffold. Compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions are also described.
    Type: Application
    Filed: October 10, 2014
    Publication date: April 16, 2015
    Inventors: ALEKSANDR V. YURKOVETSKIY, MAO YIN, TIMOTHY B. LOWINGER, JOSHUA D. THOMAS, CHERI A. STEVENSON, VENU R. GURIJALA
  • Publication number: 20150064130
    Abstract: Auristatin compounds and conjugates thereof are provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently an Auristatin compound. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: August 12, 2014
    Publication date: March 5, 2015
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Publication number: 20150044160
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: August 12, 2014
    Publication date: February 12, 2015
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Patent number: 8841330
    Abstract: This invention relates to the use of a group of aryl ureas in treating raf mediated diseases, and pharmaceutical compositions for use in such therapy.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: September 23, 2014
    Assignee: Bayer Healthcare LLC
    Inventors: Bernd Riedl, Jacques Dumas, Uday Khire, Timothy B. Lowinger, William J. Scott, Roger A. Smith, Jill E. Wood
  • Patent number: 8821850
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: September 2, 2014
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Patent number: 8815226
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: August 26, 2014
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr V. Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Patent number: 8808679
    Abstract: Auristatin compounds and conjugates thereof are provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently an Auristatin compound. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: August 19, 2014
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr V. Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Publication number: 20140134127
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: January 16, 2014
    Publication date: May 15, 2014
    Applicant: MERSANA THERAPEUTICS, INC.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Patent number: 8685383
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: April 1, 2014
    Assignee: Mersana Therapeautics, Inc.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Publication number: 20140017265
    Abstract: A terminally modified polymer is provided herein. At least one terminus of the polymer is —O—(CH2)2-LM or —O—CH2—CH(OH)—CH2—CR1?CR2R3. LM, R1, R2, and R3 are defined herein Also disclosed are terminal conjugates comprising the polymer and a pharmaceutically useful modifier, as well as compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: July 3, 2013
    Publication date: January 16, 2014
    Inventors: Aleksandr V. Yurkovetskiy, Venu R. Gurijala, Joshua D. Thomas, Timothy B. Lowinger
  • Publication number: 20130309192
    Abstract: Auristatin compounds and conjugates thereof are provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently an Auristatin compound. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: July 17, 2013
    Publication date: November 21, 2013
    Applicant: MERSANA THERAPEUTICS, INC.
    Inventors: Aleksandr V. Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Patent number: 8524214
    Abstract: Polyal-Drug conjugates comprising a variable rate-releasing linker are described along with methods of making such conjugates. Uses for such Polyal-Drug conjugates is also described.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: September 3, 2013
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Gui Liu, Laura C. Akullian, John J. Kane, Cheri A. Stevenson, Charles E. Hammond, Russell C. Petter, John H. Van Duzer, Timothy B. Lowinger
  • Publication number: 20130189218
    Abstract: The invention described herein provides a mixture comprising polymer molecules or salts thereof, wherein a polymer molecule in the mixture comprises covalently bound subunits L, K, and M wherein the average molecular weight of the polymer molecules in the mixture is about 50 kDa to about 200 kDa, wherein the mole percentage of subunit M, K and L, relative to the total amount of subunits in the mixture, is about 90.5 to about 96 mol %, about 2.8 to about 7.3 mol %, and about 1.2 to about 2.2 mol %, respectively.
    Type: Application
    Filed: December 21, 2012
    Publication date: July 25, 2013
    Applicant: Mersana Therapeutics, Inc.
    Inventors: Laura Akullian, Gui Liu, Timothy B. Lowinger, Dennis McGillicuddy, Cheri Stevenson, John Van Duzer, Mao Yin, Aleksandr Yurkovetskiy
  • Patent number: 8349308
    Abstract: A polynucleotide delivery vehicle comprising a modified polymer is provided herein, the modified polymer having the following formula: in which W1, W2, W3, W4, W5, W6, Z1, Z2, Z3, Z4, Z5, Z9, R1, R2, R3, R4, R5, n1, n2, n3, n4, n5, and n6 are defined herein. Also disclosed are methods of delivering a polynucleotide to the cytoplasm of a selected tissue type or cell type and methods of reducing expression of a gene in a cell or a subject in need thereof with the modified polymer.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: January 8, 2013
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Carolina B. Cabral, Charles E. Hammond, Cheri A. Stevenson
  • Publication number: 20120321583
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: June 11, 2012
    Publication date: December 20, 2012
    Applicant: Mersana Therapeutics, Inc.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Publication number: 20120270878
    Abstract: This invention relates to the use of a group of aryl ureas in treating cytokine mediated diseases and proteolytic enzyme mediated diseases, and pharmaceutical compositions for use in such therapy.
    Type: Application
    Filed: July 2, 2012
    Publication date: October 25, 2012
    Applicant: BAYER HEALTHERCARE LLC
    Inventors: Scott MILLER, Martin OSTERHOUT, Jacques DUMAS, Uday KHIRE, Timothy B. LOWINGER, William J. SCOTT, Roger A. SMITH, Jill E. WOOD, David E. GUNN, Holia HATOUM-MOKDAD, Marell RODRIGUEZ, Robert SIBLEY, Ming WANG, Tiffany TURNER, Catherine BRENNAN
  • Patent number: 8242118
    Abstract: The present invention relates to a sulfonamide derivative which is useful as an active ingredient of pharmaceutical preparations. The sulfonamide derivatives of the present invention have CCR3 (CC type chemokine receptor) antagonistic activity, and can be used for the prophylaxis and treatment of diseases associated with CCR3 activity, in particular for the treatment of asthma, atopic dermatitis, allergic rhinitis and other inflammatory/immunological disorders.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: August 14, 2012
    Assignee: Axikin Pharmaceuticals Inc.
    Inventors: Yingfu Li, Akihiko Watanabe, Timothy B. Lowinger, Kevin Bacon, Norihiro Kawamura, Takuya Shintani, Tetsuo Kikuchi, Toshiya Moriwaki, Klaus Urbahns, Keiko Fukushima, Noriko Nunami, Takashi Yoshino, Toshiki Murata, Megumi Yamauchi, Hiroko Yoshino
  • Publication number: 20120149706
    Abstract: This invention relates to the use of a group of aryl ureas in treating cytokine mediated diseases, other than cancer and proteolytic enzyme mediated diseases, other than cancer, and pharmaceutical compositions for use in such therapy.
    Type: Application
    Filed: February 21, 2012
    Publication date: June 14, 2012
    Inventors: Jacques DUMAS, Uday KHIRE, Timothy B. Lowinger, Holger PAULSEN, Bernd RIEDL, Willian J. SCOTT, Roger A. SMITH, Jill WOOD, Holia HATOUM-MOKDAD, Wendy LEE, Aniko REDMAN, Jeffrey JOHNSON, Robert SIBLEY