Alkylenedioxythiophene dimers and trimers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From sulfur-containing reactant

Reexamination Certificate

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Details

C528S377000, C528S383000, C528S425000, C528S480000, C528S486000

Reexamination Certificate

active

06891016

ABSTRACT:
The invention relates to novel 3,4-alkylenedioxythiophene dimers and trimers, to their preparation and to their use as precursors for conductive polymers.

REFERENCES:
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patent: 5035926 (1991-07-01), Jonas et al.
Sankaran et al.; “ High contrast electrochromic polymers from alkyl-derivatized poly (3,4-ethylenedioxythiophenes)” Macromolecules, vol. 30, 2582-2588 (1997).*
Adv. Mater. 12, No. 7, month unavailable (2000) p. 481-494, L. Groenendaal, F. Jonas, D. Freitag, H. Pielartzik & J.R. Reynolds, Poly(3,4-ethylenedioxythiophene) and Its Derivatives: Past, Present, and Future.
Advances in Physical Organic Chemistry, 9, p. 1-24, “Superacid Systems”, R.J. Gillespie, and T.E. Peel.
Chem. Rev. month unavailable 1982, 82, p. 591-614 “Thermodynamic Behavior of Alkanes In Superacid Media” P-L. Fabre, J. Devynck, and B. Tremillon.
Angewandte Chemi, vol. 12, No. 3, Mar. 1973, pp. 173-212, G.A. Olah, “Carbocations and Electrophilic Reactions”.
Curr. Chem. 80, p. 9-88, month unavailable 1979, G.A. Olah, “From Boron Trifluoride to Antimony Pentafluoride in Search of Stable Carbocatins”.
Tetrahedron 55 month unavailable (1999) p. 11745-11745, A.K. Mohanakrishnan, A. Hucke, M. Lynon, M. V. Lakshmikantham and M.P. Cava**, “Functionalization of 3,4-Ethylenedioxythiophene”.

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