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. 24, 2016
Filed:
Jun. 15, 2011
Shinichiro Shoji, Iwakuni, JP;
Shinichiro Shoji, Iwakuni, JP;
TEIJIN LIMITED, Osaka, JP;
Abstract
A process for producing an intermediate for a cyclic carbodiimide compound includes a process for producing an amine compound represented by the following formula (B), comprising the step of reducing a nitro compound represented by the following formula (A) and containing a compound having a haloarene skeleton in the presence of a metal catalyst and a basic compound. The process also includes a process for producing a thiourea compound, including the step of reacting an amine compound represented by the formula (B) with carbon disulfide in the presence of imidazole. (R is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.) (R is as defined in the above formula (A).).