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:
Apr. 14, 2020
Filed:
Feb. 18, 2016
Applicant:
Hanwha Chemical Corporation, Seoul, KR;
Inventors:
Lan Hua Piao, Seoul, KR;
Sung Hae Jun, Gyeonggi-do, KR;
Hyun Seung Lee, Daejeon, KR;
Dong Wook Jeong, Daejeon, KR;
Assignee:
HANWHA CHEMICAL CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 17/00 (2006.01); C08F 210/16 (2006.01);
U.S. Cl.
CPC ...
C07F 17/00 (2013.01); C08F 210/16 (2013.01);
Abstract
A preparation method for a metallocene compound is provided. The method includes: stirring at least one compound I among compounds expressed by the following chemical formula (I) and a hydrogenation reaction catalyst of 0.10 to 0.55 parts by weight based on 100 parts by weight of the compound I under a hydrogen atmosphere; and obtaining a metallocene compound containing at least one first compound among the compounds expressed by the following chemical formula (1). Chemical formula (I) and (1) are provided in the specification.