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:
Mar. 17, 1987
Filed:
Feb. 24, 1984
Applicant:
Inventors:
Assignee:
Erma Optical Works, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
324 714 ; 324 711 ;
Abstract
An electrical pulse apparatus for measuring impurities in ultrapure water includes a deaeration device connected to the conduit line supplying electrolyte to the hollow detector so as to deaerate the electrolyte and enable bubbles formed by electrolysis at the electrodes to be readily redissolved and thus increase measurement sensitivity and speed.