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:
Jan. 03, 1989
Filed:
Apr. 21, 1987
Applicant:
Inventor:
Carl-Ernst van der Smissen, Lubeck, DE;
Assignee:
Dragerwerk AG, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
422 56 ; 422 57 ; 422 86 ; 436124 ; 436169 ; 436902 ;
Abstract
An indicator for the documentation of chlorine by discoloration of potassium iodide applied on a support is to be improved so that it is sufficiently sensitive for the documentation of the low chlorine concentrations and also has, for the documentation of high concentrations, a stable dicoloration. To this end it is provided that the indicator comprises an addition of manganese chloride.
Quick Actions:
van der Smissen, Carl-Ernst. (1989). Indicator for the determination of chlorine gas (U.S. Patent No. 4795611). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4795611
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile