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Alan J Heeger, Alan G MacDiarmid, Chwan K Chiang, Hideki Shirakawa: P-Type electrically conducting doped polyacetylene film and method of preparing same. University Patents, Jerome M Teplitz, A Sidney Alpert, David N Koffsky, September 16, 1980: US04222903 (103 worldwide citation)

Electrically conducting organic polymeric material having a preselected room temperature p-type electrical conductivity which may vary over the entire range characteristic of semiconductor behavior and into the range characteristic of metallic behavior, is prepared by controlled chemical doping of p ...


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Alan G MacDiarmid, Alan J Heeger, Paul J Nigrey: Electrochemical doping of conjugated polymers. University Patents, Jerome M Teplitz, David N Koffsky, A Sidney Alpert, March 23, 1982: US04321114 (84 worldwide citation)

Conjugated polymers are doped with dopant ions to a preselected room temperature electrical conductivity ranging from that characteristic of semiconductor behavior to that characteristic of metallic behavior, by means of an electrochemical procedure wherein the polymer is employed as one or both of ...


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Alan J Heeger, Alan G MacDiarmid, Chwan K Chiang, Shek Chung Gau: Electrically conducting doped polyacetylene film exhibiting n-type electrical conductivity and method of preparing same. University Patents, Jerome M Teplitz, A Sidney Alpert, David N Koffsky, May 20, 1980: US04204216 (72 worldwide citation)

Electrically conducting organic polymeric film material exhibiting a preselected room temperature n-type electrical conductivity ranging from that characteristic of semiconductor behavior to that characteristic of metallic behavior, is prepared by controlled electron donor doping of a polycrystallin ...


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Alan G MacDiarmid, Alan J Heeger, Paul J Nigrey: Batteries having conjugated polymer electrodes. University Patents, Woodcock Washburn Kurtz Mackiewicz & Norris, April 10, 1984: US04442187 (64 worldwide citation)

Conjugated polymers are doped with ionic dopant species to a preselected room temperature electrical conductivity ranging from that characteristic of semiconductor behavior to that characteristic of metallic behavior, by means of reversible electrochemical doping procedures. The doping procedures ar ...


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Keiichi Kaneto, Yonggang Min, Alan G MacDiarmid: Conductive polyaniline laminates. Trustees of the University of Pennsylvania, Woodcock Washburn Kurtz Mackiewicz & Norris, September 17, 1996: US05556700 (51 worldwide citation)

Laminates containing a layer of conductive polyaniline are provided for various uses such as actuator devices. The laminates are controllably deformable and can operate on an electromechanical, chemomechanical, and mechanoelectrical modes. The laminates are preferably constructed so as to have a fir ...


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Alan G MacDiarmid: High capacity polyaniline electrodes. University of Pennsylvania, Woodcock Washburn Kurtz Mackiewicz & Norris, July 10, 1990: US04940640 (49 worldwide citation)

Electrochemical electrodes are provided having improved capacity and efficiency. In accordance with preferred embodiments polyaniline species wherein oxidation and hydrogenation levels are carefully controlled are formulated into such electrodes and into batteries and fuel cells.


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Stuart I Yaniger, Alan G Macdiarmid, Marie Angelopoulos: Preparation of base-type conducting polymers. Lockheed Corporation, Max Geldin, February 21, 1989: US04806271 (36 worldwide citation)

Production of base-type conductive polymers, particularly from the family of conductive polyaniline, by reacting a base-type non-conductive polymer containing carbon-nitrogen linkages, e.g., polyaniline, with a cation donor compound, such as R.sub.2 SO.sub.4, R'SO.sub.2 Cl or R".sub.3 SiCl, where R, ...


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Alan G MacDiarmid, You N Xia, Joanna M Wiesinger: Methods for preparing conductive polyanilines. The Trustees of the University of Pennsylvania, Woodcock Washburn Kurtz Mackiewicz & Norris, April 4, 1995: US05403913 (29 worldwide citation)

Methods for preparing conductive polyaniline forms are provided in which the conductivity of the polyaniline form can be substantially increased by contacting the polyaniline form with a phenolic compound that acts as a secondary dopant for the polyaniline. Generally, a doped polyaniline solution is ...


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Alan G MacDiarmid, Zoltan J Kiss: Amorphous semiconductor method. Chronar Corporation, George E Kersey, July 10, 1984: US04459163 (27 worldwide citation)

Preparation of amorphous semiconductor material that is suitable for use in a wide variety of devices by the pyrolytic decomposition of one or more gaseous phase polysemiconductanes, including polysilanes and polygermanes.