Fluorinated alkyl substituted-thieno[3,4-]thiophene monomers and polymers therefrom

US7432340B2 · kind B2 · utility

Assignee

• AIR PRODUCTS AND CHEMICALS, INC. · US

Inventors

• Steffen Zahn · Pennsburg, US
• Gauri Sankar Lal · Whitehall, US
• William F. Burgoyne, Jr. · Allentown, US
• Kristen Elaine Minnich · Allentown, US
• Andrew F. Nordquist · Radnor, US
• Lloyd M. Robeson · Whitehouse Station, US
• Francis J. Waller · Wilmington, US

Key dates

• Filing date: May 13, 2005
• Grant date: Oct 7, 2008
• Expiry date: Oct 30, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G61/126
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Partially and fully fluorinated alkyl substituted thienothiophene monomers (and polymers thereof) wherein the monomers are represented by the formula:wherein CH═CHR″, —OR″, —COOR″, —S—COR″, —B(OR″)2, —COR″, —C≡CH, and a polymerizable cyclic pi-conjugated carbon-ring structure optionally comprising S, N or O heteroatoms;