Patents Represented by Attorney Law Offices of Albert Wal-Kit Chan, PLLC
  • Patent number: 7527234
    Abstract: A mouse tray apparatus includes a substantially planar mouse tray pivotally mounted at a bottom mid-portion thereof to a base such that as an operator moves a mouse over a top surface of the mouse tray, a weight of the operator's hand on the mouse causes the tray to tilt downward in a direction corresponding to a location of the mouse on the mouse tray. A bias force can be provided to resists tilting of the mouse tray away from a horizontal position, so that as the operator moves a mouse over a top surface of the mouse tray, a weight of the operator's hand on the mouse overcomes the bias force and causes the mouse tray to tilt.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: May 5, 2009
    Inventor: Mark Simic
  • Patent number: 7524824
    Abstract: This invention provides compositions, methods and process of producing extracts from Xanthoceras sorbifolia. The extract comprises alkaloids, coumarins, saccharides, proteins, polysaccharides, glycosides, saponins, tannins, acid, flavonoids and others. The composition can be used for treating breast, leukocyte, liver, ovarian, bladder, prostate, bone or brain cancer. This invention provides compounds comprising at least one sugar, a triterpene, such as Sapogenin, and at least one side chains at Carbon 21 and 22, such as Angeloyl groups. The compounds of the present have various pharmaceutical and therapeutic applications, including treating breast, leukocyte, liver, ovarian, bladder, prostate, bone or brain cancer.
    Type: Grant
    Filed: February 14, 2005
    Date of Patent: April 28, 2009
    Assignee: Pacific Arrow Limited
    Inventors: Pui-Kwong Chan, May Sung Mak, Yun Wang
  • Patent number: 7514089
    Abstract: The present invention is directed to mutant Salmonella sp. having a genetically modified msbB gene in which the mutant Salmonella is capable of targeting solid tumors. The present invention further relates to the therapeutic use of the mutant Salmonella for growth inhibition and/or reduction in volume of solid tumors.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: April 7, 2009
    Assignee: Vion Pharmaceuticals, Inc.
    Inventors: David Bermudes, Kenneth Brooks Low
  • Patent number: 7416747
    Abstract: This invention provides methods of using various herbal compositions to treat neurodegenerative diseases and neuronal dysfunctions, said compositions comprise a combination of Radix angelica sinensis (DangGui), Ligusticum chuanxiong (ChuanXiong), Hirudo (ShuiZhi), Polygonatum sibiricum (HuangJing), Carthamus tinctorius (Hong Hua), Astragalus membranaceus (HuangQi), and Glycyrrhiza uralensis (Gancao).
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: August 26, 2008
    Inventor: YongChao Xia
  • Patent number: 7364724
    Abstract: This invention provides a recombinant super-compound interferon or an equivalent thereof with changed spatial configuration. The super-compound interferon possesses anti-viral or anti-tumor activity and therefore is useful to prevent and treat viral diseases and cancers. This invention also provides an artificial gene which codes for the super-compound interferon or its equivalent. Finally, this invention provides methods to produce recombinant super-compound interferon or its equivalent and various uses of said interferon.
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: April 29, 2008
    Assignee: Sichuan Biotechnology Research Center
    Inventors: Guangwen Wei, Rongbing Guo, Renhuai Zhang