Patents by Inventor Keith D. Combrink

Keith D. Combrink 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: 20120283260
    Abstract: The invention provides compositions and methods for treating and/or preventing ocular disorders associated with increased intraocular pressure. In particular, the compounds are bradykinin agonists.
    Type: Application
    Filed: July 24, 2012
    Publication date: November 8, 2012
    Applicants: ASTELLAS PHARMA INC., ALCON RESEARCH, LTD.
    Inventors: Keith D. Combrink, Suchismita Mohapatra, Mark R. Hellberg, Najam A. Sharif, Ganesh Prasanna, Iok-Hou Pang, Bryon Severns, Hwang-Hsing Chen, Abdelmoula Namil
  • Patent number: 8252793
    Abstract: The invention provides compositions and methods for treating and/or preventing ocular disorders associated with increased intraocular pressure. In particular, the compounds are bradykinin agonists.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: August 28, 2012
    Assignees: Alcon Research, Ltd., Astellas Pharma Inc.
    Inventors: Keith D. Combrink, Suchismita Mohapatra, Mark R. Hellberg, Najam A. Sharif, Ganesh Prasanna, Iok-Hou Pang, Bryon Severns, Hwang-Hsing Chen, Abdelmoula Namil
  • Publication number: 20120046285
    Abstract: The invention provides compositions and methods for treating and/or preventing ocular disorders associated with increased intraocular pressure. In particular, the compounds are bradykinin agonists.
    Type: Application
    Filed: August 17, 2011
    Publication date: February 23, 2012
    Applicants: ASTELLAS PHARMA INC., ALCON RESEARCH, LTD.
    Inventors: Keith D. Combrink, Suchismita Mohapatra, Mark R. Hellberg, Najam A. Sharif, Ganesh Prasanna, Iok-Hou Pang, Bryon Severns, Hwang-Hsing Chen, Abdelmoula Namil
  • Patent number: 7678791
    Abstract: Substituted rifamycin derivatives in which a nitroimidazole, nitrothiazole or nitrofuran pharmacophore is covalently bonded to a rifamycin, methods of using the rifamycin derivatives, and pharmaceutical compositions containing the rifamycin derivatives are disclosed. Methods of synthesizing these substituted rifamycin derivatives are also disclosed. The rifamycin derivatives possess antibacterial activity, and are effective against a number of human and veterinary pathogens in the treatment of bacterial diseases.
    Type: Grant
    Filed: July 12, 2007
    Date of Patent: March 16, 2010
    Assignee: Cumbre IP Ventures, L.P.
    Inventors: Charles Z. Ding, In Ho Kim, Jiancheng Wang, Zhenkun Ma, Yafei Jin, Keith D. Combrink, Genliang Lu, A. Simon Lynch
  • Publication number: 20080139577
    Abstract: Substituted rifamycin derivatives in which a nitroimidazole, nitrothiazole or nitrofuran pharmacophore is covalently bonded to a rifamycin, methods of using the rifamycin derivatives, and pharmaceutical compositions containing the rifamycin derivatives are disclosed. Methods of synthesizing these substituted rifamycin derivatives are also disclosed. The rifamycin derivatives possess antibacterial activity, and are effective against a number of human and veterinary pathogens in the treatment of bacterial diseases.
    Type: Application
    Filed: July 12, 2007
    Publication date: June 12, 2008
    Applicant: Cumbre Pharmaceuticals Inc.
    Inventors: Charles Z. Ding, In Ho Kim, Jiancheng Wang, Zhenkun Ma, Yafei Jin, Keith D. Combrink, Genliang Lu, A. Simon Lynch
  • Patent number: 7229996
    Abstract: Novel rifamycin derivatives of formula I (both hydroquinone and corresponding quinone (C1-C4) forms): or their salts, hydrates or prodrugs thereof, wherein: a preferred R comprises hydrogen, acetyl; L is a linker, a preferred linker group elements selected from any combination of 1 to 5 groups shown FIG. 1, provided L is not wherein R1 is H, methyl or alkyl. The inventive compounds exhibit valuable antibiotic properties. Formulations having these compounds can be used in the control or prevention of infectious diseases in mammals, both humans and non-humans. In particular, the compounds exhibit a pronounced antibacterial activity, even against multiresistant strains of microbes.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: June 12, 2007
    Assignee: Cumbre Pharmaceuticals Inc.
    Inventors: Zhenkun Ma, Jing Li, Susan Harran, Yong He, Keith P. Minor, In Ho Kim, Charles Z. Ding, Jamie C. Longgood, Yafei Jin, Keith D. Combrink
  • Patent number: 7226931
    Abstract: Rifamycin derivatives having the following structure of general formula I (both hydroquinone and corresponding quinone (C1-C4) forms): or its salts, hydrates or prodrugs thereof; wherein a preferred R1 comprises hydrogen or acetyl and a prefered R2 comprises hydrogen, methyl or other lower alkyls; wherein asterik (*) denotes the carbon bearing the chiral center, wherein absolute configuration is assigned as R or S. Methods of preparation of the aforementioned rifamycin derivatives are also described. The compounds exhibit antimicrobial activities, including activities against drug-resistant microorganisms.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: June 5, 2007
    Assignee: Cumbre Pharmaceuticals Inc.
    Inventors: Charles Z. Ding, Zhenkun Ma, Jing Li, Susan Harran, Yong He, Keith P. Minor, In Ho Kim, Jamie C. Longgood, Yafei Jin, Keith D. Combrink
  • Patent number: 6844342
    Abstract: The present invention concerns antiviral compounds, their methods of preparation and their compositions, and use in the treatment of viral infections. More particularly, the invention provides heterocyclic substituted 2-methylbenzimidazole derivatives for the treatment of respiratory syncytial virus infection.
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: January 18, 2005
    Assignee: Bristol-Myers Squibb Company
    Inventors: Kuo-Long Yu, Rita L. Civiello, Keith D. Combrink, Hatice Belgin Gulgeze, Ny Sin, Xiangdong Wang, Nicholas Meanwell, Brian Lee Venables, Yi Zhang, Bradley C. Pearc, Zhiwei Yin, Jan Willem Thuring
  • Patent number: 6774134
    Abstract: The present invention concerns antiviral compounds, their methods of preparation and their compositions, and use in the treatment of viral infections. More particularly, the invention provides heterocyclic substituted 2-methylbenzimidazole derivatives for the treatment of respiratory syncytial virus infection.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: August 10, 2004
    Assignee: Bristol-Myers Squibb Company
    Inventors: Kuo-Long Yu, Rita L. Civiello, Keith D. Combrink, Hatice Belgin Gulgeze, Ny Sin, Xiangdong Wang, Nicholas Meanwell, Brian Lee Venables, Yi Zhang, Bradley C. Pearce, Zhiwei Yin, Jan Willem Thuring
  • Publication number: 20040067997
    Abstract: The present invention concerns antiviral compounds, their methods of preparation and their compositions, and use in the treatment of viral infections. More particularly, the invention provides heterocyclic substituted 2-methylbenzimidazole derivatives for the treatment of respiratory syncytial virus infection.
    Type: Application
    Filed: August 19, 2003
    Publication date: April 8, 2004
    Inventors: Kuo-Long Yu, Rita L. Civiello, Keith D. Combrink, Hatice Belgin Gulgeze, Ny Sin, Xiangdong Wang, Nicholas Meanwell, Brian Lee Venables, Yi Zhang, Bradley C. Pearc, Zhiwei Yin, Jan Willem Thuring
  • Patent number: 6489338
    Abstract: The present invention concerns antiviral compounds, their methods of preparation and their compositions, and use in the treatment of viral infections. More particularly, the invention provides imidazopyridine and imidazopyrimidine derivatives (Formula I) for the treatment of respiratory syncytial virus infection.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: December 3, 2002
    Assignee: Bristol-Myers Squibb Company
    Inventors: Kuo-Long Yu, Rita L. Civiello, Keith D. Combrink, Hatice Belgin Gulgeze, Ny Sin, Xiangdong Wang, Nicholas A. Meanwell, Brian Lee Venables
  • Publication number: 20020099208
    Abstract: The present invention concerns antiviral compounds, their methods of preparation and their compositions, and use in the treatment of viral infections. More particularly, the invention provides heterocyclic substituted 2-methylbenzimidazole derivatives for the treatment of respiratory syncytial virus infection.
    Type: Application
    Filed: November 16, 2001
    Publication date: July 25, 2002
    Inventors: Kuo-Long Yu, Rita L. Civiello, Keith D. Combrink, Hatice Belgin Gulgeze, Ny Sin, Xiangdong Wang, Nicholas Meanwell, Brian Lee Venables, Yi Zhang, Bradley C. Pearce, Zhiwei Yin, Jan Willem Thuring
  • Publication number: 20020016309
    Abstract: The present invention concerns antiviral compounds, their methods of preparation and their compositions, and use in the treatment of viral infections. More particularly, the invention provides imidazopyridine and imidazopyrimidine derivatives (Formula I) for the treatment of respiratory syncytial virus infection.
    Type: Application
    Filed: April 23, 2001
    Publication date: February 7, 2002
    Inventors: Kuo-Long Yu, Rita L. Civiello, Keith D. Combrink, Hatice Belgin Gulgeze, Ny Sin, Xiangdong Wang, Nicholas A. Meanwell, Brian Lee Venables
  • Patent number: 5434154
    Abstract: A series of novel alkoxypyridin-4-yl and alkoxypyrimidin-4-yl derivatives of indol-3-ylalkylpiperazines of Formula I are intended to be useful agents ##STR1## for alleviation of vascular headache on the basis of their potent affinity and agonist activity at 5-HT1D binding sites.
    Type: Grant
    Filed: April 26, 1994
    Date of Patent: July 18, 1995
    Assignee: Bristol-Myers Squibb Company
    Inventors: David W. Smith, Joseph P. Yevich, Andrew Williams, Edward H. Ruediger, Keith D. Combrink, Bradley C. Pearce