Patent ID: 7118692
Filing Date: 2006-10-10
Classification: H01B,H01G,Y02E

Abstract:
1. A thienothiophene composition comprising: where R comprises at least one member selected from the group consisting of isopropyl, tert-butyl, tert-pentyl, isopentyl, and 2-ethylhexyl, Y comprises at least one of —CZ 1 ═CZ 2 — or —C≡C—, and Z 1 and Z 2 are independently selected from H, F, Cl or CN, X comprises at least one member selected from the group consisting of H, halogen atoms, MgCl, MgBr, Mgl, Sn(R′) 3 (where R′ is C 1-6 alkyl or —OC 1-6 alkyl) boronic acid, boronic ester, CH═CHR″ (where R″ is H or C 1-6 alkyl), —OC 1-6 alkyl, —COOC 1-6 alkyl, —S—COR′″, COR′″ (where R′″ is H, or C 1-6 alkyl), —C≡CH, and polymerizable aromatic groups.