Patents by Inventor Dou-Mei Wang

Dou-Mei Wang 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).

  • Solid phase immunoassay device and method of making same
    Patent number: 5223220
    Abstract: In response to an express need for an immunoassay device with universal applicability, which further promotes the goals of inventory reduction and simplified, less costly manufacture, a container for holding materials used in conjunction with an immunoassay, having a housing with an inside, an outside, and a top, wherein the top is provided with a plurality of apertures communicating with the inside of the housing, and a thin web of opaque material applied over the top of the housing covering at least one but not all of the apertures.
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: June 29, 1993
    Assignee: Pacific Biotech, Inc.
    Inventors: Eugene Fan, Sinfu Tzeng, Fon-Chiu M. Chen, Ching Huang, Dou-Mei Wang, Theresa Popejoy
  • Immunochromatographic assay and method of using same
    Patent number: 5096837
    Abstract: The invention disclosed herein relates to the field of one-step assays and latex agglutination tests ("LAT"), and provides an improved method of preparing and using a one-step immunoassay, as well as improved methods of preparing coated latex particles for use in diagnostic assays, and especially, immunochromatographic assays.
    Type: Grant
    Filed: February 8, 1990
    Date of Patent: March 17, 1992
    Assignee: Pacific Biotech, Inc.
    Inventors: Eugene Fan, Dou-Mei Wang, Fon-Chiu M. Chen, Gregg L. Wilson, Michael W. Milner, Ching Huang
  • Hybridoma cell line and monoclonal antibodies to Treponema species T. denticola JD-1 and Treponema 10A
    Patent number: 5055405
    Abstract: Monoclonal antibody to Treponema denticola JD-1 and Treponema species 10A and a continuous cell line for its production is disclosed. These antibodies are particularly useful in immunoassays for detecting the presence of these microorganisms in the oral cavity.
    Type: Grant
    Filed: November 19, 1987
    Date of Patent: October 8, 1991
    Assignee: Warner-Lambert Company
    Inventors: Dou-Mei Wang, Linda D. Sturdivant, Thomas A. Biemer, Ronald Mink
  • Hybridoma cell line and monoclonal antibodies to Treponema denticola ATCC 33520
    Patent number: 5008199
    Abstract: Monoclonal antibody to Treponema denticola ATCC 33520 and a continuous cell line for its production is disclosed. These antibodies are particularly useful in immunoassays for detecting the presence of these microorganisms in the oral cavity.
    Type: Grant
    Filed: November 19, 1987
    Date of Patent: April 16, 1991
    Assignee: Warner-Lambert Company
    Inventors: Dou-Mei Wang, Linda D. Sturdivant, Thomas A. Biemer, Ronald Mink
  • Reaction unit for use in analyzing biological fluids
    Patent number: D324426
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: March 3, 1992
    Assignee: Pacific Biotech, Inc.
    Inventors: Eugene Fan, Ching Huang, Dou-Mei Wang, Gregg L. Wilson
  • Reaction unit for use in analyzing biological fluids
    Patent number: D328135
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: July 21, 1992
    Assignee: Pacific Biotech, Inc.
    Inventors: Eugene Fan, Ching Huang, Dou-Mei Wang, Gregg L. Wilson