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:
Apr. 28, 2020
Filed:
Oct. 28, 2016
Applicant:
Hach Company, Loveland, CO (US);
Inventor:
Darren MacFarland, Windsor, CO (US);
Assignee:
HACH COMPANY, Loveland, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 33/18 (2006.01); G01N 1/28 (2006.01); B01L 3/00 (2006.01); G01N 31/22 (2006.01); G01N 27/416 (2006.01);
U.S. Cl.
CPC ...
G01N 33/182 (2013.01); B01L 3/523 (2013.01); G01N 1/28 (2013.01); G01N 31/22 (2013.01); G01N 33/18 (2013.01); B01L 2200/14 (2013.01); B01L 2200/16 (2013.01); B01L 2300/0835 (2013.01); G01N 27/4168 (2013.01); G01N 2001/2893 (2013.01);
Abstract
A standard for testing measurement systems for aqueous chlorine species analysis includes an openable storage vessel and an aqueous composition including a compound having the formula RRNCl where Rand Rare independently methyl, ethyl or propyl, wherein the aqueous composition is storage stable within the openable storage vessel.