Patents by Inventor Adrian Cheung

Adrian Cheung 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).

  • Diaminopyrroloquinazolines compounds as protein tyrosine phosphatase inhibitors
    Publication number: 20070270445
    Abstract: The invention relates to pyrimido[5,4-e][1,2,4]triazine-5,7-diamine compounds which are useful for inhibiting protein tyrosine phosphatases, particularly PTP1B, and are useful for lowering blood glucose concentrations in mammals.
    Type: Application
    Filed: June 27, 2007
    Publication date: November 22, 2007
    Inventors: Steven Berthel, Adrian Cheung, Kyungjin Kim, Kshitij Thakkar, Weiya Yun
  • Diacylglycerol acyltransferase inhibitors
    Publication number: 20070123504
    Abstract: Provided herein are compounds of the formula (I): as well as pharmaceutically acceptable salts thereof, wherein the substituents are as those disclosed in the specification. These compounds, and the pharmaceutical compositions containing them, are useful for the treatment of diseases such as, for example, obesity, type II diabetes mellitus and metabolic syndrome.
    Type: Application
    Filed: November 17, 2006
    Publication date: May 31, 2007
    Inventors: David Bolin, Adrian Cheung, Fariborz Firooznia, Matthew Hamilton, Shiming Li, Lee McDermott, Yimin Qian, Weiya Yun
  • Pyridopyrimidine protein tyrosine phosphatase inhibitors
    Publication number: 20070021445
    Abstract: The present invention comprises pyridopyrimidinediamine compounds of the general formula I: The compounds of the present invention are potent inhibitors of PTP1B. Accordingly, the invention also encompasses pharmaceutical compositions and methods of treating or preventing PTP-1B mediated diseases, including diabetes, obesity, and diabetes-related diseases.
    Type: Application
    Filed: July 18, 2006
    Publication date: January 25, 2007
    Inventors: Steven Berthel, Adrian Cheung, Kyungjin Kim, Shiming Li, Kshitij Thakkar, Weiya Yun
  • Quinazoline protein tyrosine phosphatase inhibitors
    Publication number: 20060211715
    Abstract: The present invention comprises aminoquinazoline compounds of the general formula I: wherein X is an unsubstituted or substituted phenyl, or is an unsubstituted or substituted 5 or 6 membered heteroaromatic ring. The compounds of the present invention are potent inhibitors of PTP1B. Accordingly, the invention also encompasses pharmaceutical compositions and methods of treating or preventing PTP-1B mediated diseases, including diabetes, obesity, and diabetes-related diseases.
    Type: Application
    Filed: November 6, 2005
    Publication date: September 21, 2006
    Inventors: Steven Berthel, Adrian Cheung, Kshitij Thakkar, Weiya Yun
  • Substituted N-acyl-2-aminothiazoles
    Publication number: 20060030589
    Abstract: There are presented compounds of the formula or a pharmaceutically acceptable salt thereof, which are useful in the treatment of diabetes, diabetic retinopathy, asthma and diarrhea.
    Type: Application
    Filed: July 29, 2005
    Publication date: February 9, 2006
    Inventors: Jianping Cai, Adrian Cheung, Fariborz Firooznia, Kevin Guertin, Lida Qi
  • Selective linear peptides with melanocortin-4 receptor (MC4-R) agonist activity
    Publication number: 20050239711
    Abstract: Peptides of formulae I, II and III that selectively activate melanocortin-4 (MC-4) receptor activity.
    Type: Application
    Filed: June 22, 2005
    Publication date: October 27, 2005
    Inventors: Li Chen, Adrian Cheung, Xin-Jie Chu, Waleed Danho, Joseph Swistok, Keith Yagaloff