Patents by Inventor Cherng-Yih Perng

Cherng-Yih Perng 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).

  • TRIENTINE TETRAHYDROCHLORIDE AND A METHOD OF PREPARATION AND A PHARMACEUTICAL COMPOSITION THEREOF
    Publication number: 20230339842
    Abstract: A method of preparation of trientine tetrahydrochloride crystals in which an anti-solvent at a feeding temperature is added into a trientine tetrahydrochloride solution and stirred for crystallization wherein the feeding temperature ranges from 50° C. to 75° C. and the anti-solvent is an alcohol solvent. A novel trientine tetrahydrochloride featuring XRPD peaks detected at 21.9, 24.8, 25.2, 28.0 and 35.6±0.1° 2? for stable storage of a pharmaceutical composition manufactured with the trientine tetrahydrochloride.
    Type: Application
    Filed: February 22, 2023
    Publication date: October 26, 2023
    Inventors: CHERNG-YIH PERNG, MING-REN LIANG, YU-CHEN LIN, TAI-YUN FENG
  • (E)-3-[1-n-Butyl-5-[2-(2-carboxyphenyl)methoxy-4-chlorophenyl]-1H-pyrazol-4-yl]-2-[(5-methoxy-2,3-dihydrobenzofuran-6-yl)methyl]-prop-2-enoic acid monoargininyl salt
    Patent number: 6300359
    Abstract: This invention relates to a new monoargininyl salt form of the endothelin receptor antagonist (E)-3-[1-n-Butyl-5-[2-(2-carboxyphenyl)methoxy-4-chlorophenyl]-1H-pyrazol-4-yl]-2-[(5-methoxy-2,3-dihydrobenzofuran-6-yl)methyl]-prop-2-enoic acid.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: October 9, 2001
    Assignee: SmithKline Beecham Corporation
    Inventors: Joseph Robert Flisak, Albert Stephen Kearney, Nagesh Palepu, Cherng-Yih Perng