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. 01, 2014
Filed:
Jun. 08, 2012
Laurence Lutsen, Coudekerque-Branche, FR;
Dirk Vanderzande, Hasselt, BE;
Bert Campo, Bouwel, BE;
IMEC, Leuven, BE;
Universiteit Hasselt, Diepenbeek, BE;
Abstract
New monomers, polymers, and blends of polymers with an electron acceptor are provided, e.g., for use in a photovoltaic device. The electron acceptor can be a fullerene derivative and the polymer can comprise monomer units according to the formula: wherein L' is L-C(O)O-J, L-C(O)NR′-J, L-OCO-J′, L-NR′CO-J′, L-SCO-J′, L-O-J, L-S-J, L-Se-J, L-NR′-J or L-CN; L is a linear or branched alkylene group having from 1 to 10 carbon atoms; J is a hydrogen atom or a linear or branched alkyl group having from 1 to 4 carbon atoms; J′ is a group having from 1 to 10 carbon atoms, being saturated or unsaturated, linear or branched, optionally comprising a phenyl unit; and R′ is a hydrogen atom or a linear or branched alkyl group having from 1 to 4 carbon atoms.