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. 19, 2026
Filed:
Jun. 19, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Hyo Yong Kim, Daejeon, KR;
Jin Sook Ryu, Daejeon, KR;
Sunok Oh, Daejeon, KR;
Sung Joon Oh, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/44 (2006.01); B01D 15/34 (2006.01); G01N 24/08 (2006.01);
U.S. Cl.
CPC ...
G01N 33/442 (2013.01); B01D 15/34 (2013.01); G01N 24/08 (2013.01);
Abstract
Provided is a method of analyzing a copolycarbonate. More particularly, provided is a method of analyzing a copolycarbonate, in which a polysiloxane structure is introduced into the main chain of a polycarbonate, the method capable of more accurately analyzing a weight average molecular weight, a number average molecular weight, and a molecular weight distribution of a polysiloxane-containing aromatic diol compound which is used as a starting material.