The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 29, 2009
Filed:
Sep. 23, 2004
Huiyan Guo, San Diego, CA (US);
Simin Zhu, San Diego, CA (US);
Welson Wu, Hangzhou, CN;
Soar Gao, Hangzhou, CN;
Dale Dai, Hangzhou, CN;
Huiyan Guo, San Diego, CA (US);
Simin Zhu, San Diego, CA (US);
Welson Wu, Hangzhou, CN;
Soar Gao, Hangzhou, CN;
Dale Dai, Hangzhou, CN;
Oakville Hong Kong Company Limited, Central, HK;
Abstract
The present invention is directed novel lateral flow devices for analyzing liquid samples. The devices contain chemical test strips and are useful for testing liquids for physical properties, such as pH, specific gravity, contamination or adulteration, the presence of proteins or blood, and the like. The test strips contain a bibulous material, a filter element, a reagent pad, and in some embodiments also contain a hydrophobic member and a cover. Any fluid can be tested, for example, urine or other body fluids, environmental samples, biological samples, clinical samples, or food and beverage samples.