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:
Jul. 19, 2016
Filed:
Jun. 01, 2012
Kenichiro Ohya, Tsukuba, JP;
Ken Yoshimura, Tsukuba, JP;
Kenichiro Ohya, Tsukuba, JP;
Ken Yoshimura, Tsukuba, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Abstract
A polymer compound comprising a constituent unit represented by the formula (1), the formula (2), the formula (3) or the formula (4) can be utilized for producing an organic film solar battery showing high open end voltage: (in the formulae (1) to (4), Arrepresents a tri-valent aromatic carbocyclic group or a tri-valent aromatic heterocyclic group. Arrepresents a tetra-valent aromatic carbocyclic group or a tetra-valent aromatic heterocyclic group. Z represents —O—, —S—, —C(C═O)—, —S(═O)—, —SO—, —Si(R)—, —N(R)—, —B(R)—, —P(R)— or —P(═O)(R)—. R represents a hydrogen atom, a halogen atom or a mono-valent group.).