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:
May. 30, 1995
Filed:
Sep. 23, 1993
Applicant:
Inventors:
Kazuhiko Matsushita, Kyoto, JP;
Hiroshi Yokota, Kyoto, JP;
Keiji Fujita, Kyoto, JP;
Akihiro Tsukamoto, Kyoto, JP;
Assignee:
Kurashiki Boseki Kabushiki Kaisha, Okayama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
436 61 ; 73 6148 ; 25033911 ; 2503418 ; 436 60 ; 436129 ; 436171 ;
Abstract
A method of determining acid value with high accuracy, using an infrared spectrometer is provided, in which the absorbance is determined attributable to carboxylic group based on an infrared absorption spectrum at wave numbers around 3300 cm.sup.-1.