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:
Nov. 15, 2011
Filed:
Nov. 02, 2007
Yong Gyu Han, Daejeon, KR;
Ki-soo Lee, Daejeon, KR;
Heon-yong Kwon, Daejeon, KR;
Jong-sang Park, Daejeon, KR;
Nicola Maggiarosa, Cologne, DE;
Yong gyu Han, Daejeon, KR;
Ki-soo Lee, Daejeon, KR;
Heon-yong Kwon, Daejeon, KR;
Jong-sang Park, Daejeon, KR;
Nicola Maggiarosa, Cologne, DE;
LG Chem, Ltd., , KR;
Abstract
The present invention relates to a synthesis method of metal cyclopentadienide by direct reaction of dicyclopentadiene with a group 1 metal in the presence of an aprotic solvent. Unlike the conventional method depending on retro Diels-Alder reaction of dicyclopentadiene to generate indirectly cyclopentadiene, the method of the present invention favors generation of cyclopentadiene and metal cyclopentadienide as well by adding dicyclopentadiene directly when the reaction temperature reaches to the boiling point of a reaction solvent.