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. 12, 2026
Filed:
Sep. 02, 2021
SK Pucore Co., Ltd., Ulsan, KR;
Jae Young Pai, Gyeonggi-do, KR;
Jung Hwan Myung, Gyeonggi-do, KR;
Kyeong Hwan You, Gyeonggi-do, KR;
Hyuk Hee Han, Gyeonggi-do, KR;
Jeong Moo Kim, Gyeonggi-do, KR;
Eui Jun Choi, Gyeonggi-do, KR;
Jung Hwan Shin, Gyeonggi-do, KR;
SK PUCORE CO., LTD., Ulsan, KR;
Abstract
A xylylene diisocyanate (XDI) composition according to exemplary embodiments includes xylylene diisocyanate and an acidity regulator having a boiling point of 110° C. or higher, and the composition has an acidity of greater than 100 ppm and 1,000 ppm or less based on a total weight of the xylylene diisocyanate (XDI). An optical lens having a high transmittance and improved optical uniformity can be manufactured by controlling a polymerization reaction rate through acidity adjustment.