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:
Aug. 19, 2008
Filed:
Sep. 07, 2006
Applicants:
Wenjuan Xu, Shenzhen, CN;
Lina Zhang, Shenzhen, CN;
Bing Liu, Shenzhen, CN;
Inventors:
Assignee:
Shenzhen Mindray Biomedical Electronics Co., Ltd., Shenzhen, CN;
Primary Examiner:
Int. Cl.
CPC ...
G01N 31/00 (2006.01); G01N 33/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a reagent for classifying leukocytes including (a) at least one surfactant capable of lysing erythrocytes and partly damaging the cell membrane of leukocytes, (b) at least one organic compound bearing an anionic group capable of binding to the cationic component present in the leukocytes to provide morphological differences between the leukocytes, and (c) a buffer for adjusting pH to 2˜8. Also disclosed is a method for classifying leukocytes into four groups.