Fluorinated alkyl substituted-thieno[3,4-]thiophene monomers...

Details Fluorinated alkyl substituted-thieno[3,4-]thiophene monomers... Fluorinated alkyl substituted-thieno[3,4-]thiophene monomers...

2005-05-13

2008-10-07

Truong, Duc (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From sulfur-containing reactant

C528S373000, C528S401000, C528S486000, C528S499000, C528S503000, C525S535000, C524S082000, C524S084000

Reexamination Certificate

active

07432340

ABSTRACT:
Partially and fully fluorinated alkyl substituted thienothiophene monomers (and polymers thereof) wherein the monomers are represented by the formula:whereinR is a partially or fully fluorinated primary, secondary or tertiary alkyl having from 1 to 8 carbon atoms; andX and X′ are independently selected from the group consisting of H, F, Cl, Br, I, MgCl, MgBr, Mgl, Sn(R′)3,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;whereinR′ is a primary, secondary or tertiary alkyl having from 1 to 6 carbon atoms, andR″ is H or a primary, secondary or tertiary alkyl having from 1 to 6 carbon atoms.

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