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. 06, 2019
Filed:
Mar. 13, 2014
Applicant:
Creatv Microtech, Inc., Potomac, MD (US);
Inventors:
Peixuan Zhu, Derwood, MD (US);
Daniel Adams, Basking Ridge, NJ (US);
Cha-Mei Tang, Potomac, MD (US);
Assignee:
CREATV MICROTECH, INC., Potomac, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 1/02 (2006.01); G01N 33/493 (2006.01); G01N 33/574 (2006.01);
U.S. Cl.
CPC ...
A01N 1/021 (2013.01); A01N 1/0215 (2013.01); G01N 33/493 (2013.01); G01N 33/574 (2013.01);
Abstract
A preservative reagent for urine is disclosed that increases the stability of cells, such as tumor cells, in urine for a period of several weeks. The preservative reagent comprises polyethylene glycol (PEG), ethanol, paraformaldehyde (PFA), and ethylenediaminetetraacetic acid (EDTA), and optionally pH stabilizing reagents.