Patents Assigned to Pacific Arrow Limited
  • Patent number: 7488753
    Abstract: This invention provides composition comprising a triterpenoidal saponin, comprising two side groups attached to carbon 21, and 22 of triterpenoidal saponin backbone. This invention provides a composition for inhibiting skin or ovarian tumor cell growth, comprising an appropriate amount of said compound.
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: February 10, 2009
    Assignee: Pacific Arrow Limited
    Inventors: Pui-Kwong Chan, May Sung Mak, Yun Wang
  • Patent number: 7262285
    Abstract: Novel compounds such as compounds designated herein as Xanifolia-Y or -Y3, -Y1, -Y2, -Y8, -Y9 and -Y10 are disclosed. These compounds have anticancer activity. The compounds of the present invention are obtainable from plants in the sapindaceae family, such as Xanthoceras sorbifolia, or other natural sources or products.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: August 28, 2007
    Assignee: Pacific Arrow Limited
    Inventors: Pui-Kwong Chan, May Sung Mak, Yun Wang
  • Publication number: 20050220910
    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 cancer, arthritis, rheumatism, poor circulation, arteriosclerosis, Raynaud's syndrome, angina pectoris, cardiac disorder, coronary heart disease, headache, dizziness, kidney disorder, impotence and premature ejaculation; for preventing cerebral aging; for improving memory, cerebral functions; or for curing enuresis, frequent micturition, urinary incontinence, dementia, weak intelligence and Alzheimer's disease, autism, brain trauma, Parkinson's disease or other diseases caused by cerebral dysfunctions, and treating arthritis, rheumatism, poor circulation, arteriosclerosis, Raynaud's syndrome, angina pectoris, cardiac disorder, coronary heart disease, headache, dizziness, kidney disorder.
    Type: Application
    Filed: February 14, 2005
    Publication date: October 6, 2005
    Applicant: PACIFIC ARROW LIMITED
    Inventors: Pui-Kwong CHAN, May Sung MAK, Yun WANG