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:
Jun. 10, 2003
Filed:
Feb. 02, 2001
Applicant:
Inventor:
Dan J. Kroll, Ft. Collins, CO (US);
Assignee:
Hach Company, Loveland, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/72 ;
U.S. Cl.
CPC ...
C02F 1/72 ;
Abstract
A method for removing sulfide from a liquid sample such as water in a test for arsenic. The method involves adding a strong oxidizing agent to the sample to oxidize the sulfide to sulfate, and then adding an organic amine to the sample to react with any remaining oxidizing agent.
Kroll, Dan. (2003). Method for the removal of sulfide interference in common tests for arsenic (U.S. Patent No. 6576143). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6576143
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile