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. 10, 2022
Filed:
Oct. 04, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
So Yeon Kim, Daejeon, KR;
Joon Seok Lee, Daejeon, KR;
Bumgyu Choi, Daejeon, KR;
Byoung Hyoun Kim, Daejeon, KR;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 30/86 (2006.01); G01N 30/60 (2006.01); G01N 30/88 (2006.01); G01N 30/02 (2006.01);
U.S. Cl.
CPC ...
G01N 30/8631 (2013.01); G01N 30/60 (2013.01); G01N 30/88 (2013.01); G01N 2030/027 (2013.01);
Abstract
The present invention relates to a dianhydride analysis method. The method can stably analyze a dianhydride which has high reactivity and low solubility. Furthermore, the method can minimize the problem that a reaction product disturbs an analysis result, thereby improving accuracy of the analysis result.