Chemistry: analytical and immunological testing – Involving diffusion or migration of antigen or antibody
Reexamination Certificate
2011-08-02
2011-08-02
Nguyen, Bao Thuy L (Department: 1641)
Chemistry: analytical and immunological testing
Involving diffusion or migration of antigen or antibody
C435S007100, C435S007200, C435S007930, C435S007940, C435S007500, C435S287100, C435S287200, C435S287900, C435S805000, C435S969000, C435S970000, C435S973000, C436S518000, C436S531000, C436S533000, C436S808000
Reexamination Certificate
active
07989217
ABSTRACT:
The subject invention is an immunoassay for the semi-quantitative test kit for determination of human chrionic gonadtropin (hCG) in fluid sample (such as urine) as an aid in the diagnosis of a certain stage of pregnancy. The test device includes five strips having each having a dipping end or sample ends where sample can be applied. Results are indicated by coloration of two bands across a clear area of the strips, one band being coated with a reagent such as hCG antigens and the other with a reagent such as goat/rabbit polyclonal antibody gold conjugate. The combination of color indications on the bands provides the test results.
REFERENCES:
patent: 7326578 (2008-02-01), Bateman et al.
patent: WO 88/08534 (1988-11-01), None
Yee Hsian-Pei
Yee Hsiao-Ching
Yee Kuo-Ching
AmeriTek USA, Inc.
Nguyen Bao Thuy L
Venture Pacific Law, PC
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