Fused bithiophene-vinylene polymers

US8466460B2 · kind B2 · utility

Assignees

• BASF SE
• Polytec GmbH · CA

Inventors

• Ashok Kumar Mishra · Singapore, SG
• Subramanian Vaidyanathan · Basel, CH
• Hiroyoshi Noguchi · Singapore, SG
• Florian Doetz · Mannheim, DE
• Silke Annika Koehler · Basel, CH
• Marcel Kastler · Mannheim, DE

Key dates

• Filing date: May 26, 2010
• Grant date: Jun 18, 2013
• Expiry date: May 26, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/549
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A polymer comprising repeating units A and optionally repeating units B wherein Z=S, Se, N—R and O; W is at each occurrence independently a monocyclic or polycylic moiety optionally substituted with 1-4 Ra groups; Y, at each occurrence, is independently a divalent C1-6 alkyl group, a divalent C1-6 haloalkyl group, or a covalent bond; c is from 1 to 6.