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. 31, 2016
Filed:
Jan. 30, 2013
Cambridge Display Technology Limited, Cambridgeshire, GB;
Sumitomo Chemical Company Limited, Tokyo, JP;
Jonathan Pillow, Baldock, GB;
James Morey, Cambridge, GB;
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, Cambridgeshire, GB;
SUMITOMO CHEMICAL COMPANY LIMITED, Tokyo, JP;
Abstract
A non-carcinogenic process for the activation of zinc metal in a medium polarity solvent, wherein said zinc metal is activated by the reaction thereof with a halogen and a lithium compound selected from lithium halides and lithium pseudohalides, the use of said activated zinc metal for the preparation of an organozinc halide of formula R—ZnX, and a process for the preparation of compounds obtainable by the reaction of said organozinc halide of formula R—ZnX with compounds having functionality enabling them to react with said organozinc halide.