Patents
- A.J. Epstein and Y.Z. Wang, Color Variable Bipolar/AC Light-Emitting Devices,
U.S. Patent No.
6,235,414 (filed 11 March 1998, issued 22 May 2001).
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- A. J. Epstein and S. Jasty, Corrosion Protection of Iron/Steel by Emeraldine Base Polyaniline,
U.S. Patent No.
5,972,518 (filed 28 July 1997, issued 26 October 1999).
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- A. J. Epstein and Y.Z. Wang, Light Emiting Devices Containing Network Electrode Polymers in Electrode Blocking Layer,
U.S. Patent No.
6,004,681 (filed 29 July 1997, issued 21 December 1999).
- A. J. Epstein and Y.Z. Wang, Light Emiting Devices Utilizing High Workfunction Electrodes,
U.S. Patent No.
5,955,834 (filed 23 July 1997, issued 21 September 1999), Australian Patent No. 711,694
(issued 3 February 2000), Canadian Patent No. 2,262, 925 (issued 26 March 2002).
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- A. J. Epstein, Y.Z. Wang, and D.D. Gebler,
Bipolar Electroluminescent Device,
U.S. Patent No.
5,663,573 (filed 17 March 1995, issued 2 September 1997),
Australian Patent No. 690,446 (issued 6 August 1998), Japanese Patent (published 12 January 1999).
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- A. J. Epstein, Y.Z. Wang, and D.D. Gebler,
Bipolar Electroluminescent Device,
U.S. Patent No.
5,858,561 (filed 2 March 1995, issued 12 January 1999),
Japamese Patent No. 3,050,604 (issued 31 March 2000), Canadian Patent No. 2,214,437 (issued 1 August 2000),
European Patent No. 0,812,260 (issued 22 January 2003).
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- A. J. Epstein and S. Jasty, Corrosion Resistant Metal Article Coated with Emeraldine Base Polyaniline,
U.S. Patent No.
5,824,371 (filed 3 February 1995, issued 20 October 1998).
- A. J. Epstein and B.G. Morin, Molecular Based Magnets Comprising Vanadium Tetracyanoethylene Complexes
for Shielding Electromagnetic Fields and Static Magnetic Fields, and for Cores for Inductors, Transformers, Motors and the Like,
U.S. Patent No.
5,821,453 (filed 12 November 1993, issued 13 October 1998).
- A. J. Epstein J. Yue, and D.R. Burley, Proton Concentration Sensor/Modulator for Sulfonated and Hydroxylated Polyaniline Electrodes,
U.S. Patent No.
5,250,163 (filed 27 November 1991, issued 5 October 1993).
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- A. J. Epstein and J. Yue, Processes for Preparation of Sulfonated Polyaniline Compositions and Uses Thereof,
U.S. Patent No.
5,093,439 (filed 25 May 1990, issued 3 March 1992).
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- A. J. Epstein and J. Yue, Sulfonated Polyaniline Salt Compositions and Uses Thereof,
U.S. Patent No.
5,159,031 (filed 25 May 1990, issued 27 October 1992).
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- A. J. Epstein and J. Yue, Process for Forming Fibers of Sulfonated Polyaniline Compositions and Uses Thereof,
U.S. Patent No.
5,135,696 (filed 25 May 1990, issued 4 August 1992).
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- A.J. Epstein and J. Yue, Sulfonated Polyaniline Compositions, Ammonia Salts Thereof, Processes for Their Preparation
and Uses Thereof, U.S. Patent No.
5,208,301 (filed May 25, 1990; issued 4 May 1993).
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- A.J. Epstein and J. Yue, Compositions of Insulating Polymers and Sulfonated Polyaniline Compositions and Uses Thereof,
U.S. Patent No.
5,109,070 (filed May 23, 1990, issued April 28, 1992).
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- I.D. Morrison and A.J. Epstein, Resistive Films Comprising Resistive Short Fibers in Insulating Film Forming Binder,
U.S. Patent No.
5,079,037 (filed December 28, 1989, issued January 7, 1992).
- A.J. Epstein and J. Yue, Sulfonated Polyaniline Salt Compositions, Processes for Their Preparation and Uses Thereof,
U.S. Patent No.
5,164,465 (filed October 24, 1989, issued November 17, 1992), European patent (granted December 29, 1997),
Canadian patent (granted March 13, 2001).
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- A.J. Epstein and J. Yue, Polyaniline Compositions, Processes for Their Preparation and Uses Thereof,
U.S. Patent No.
5,137,991 (filed Oct. 19, 1989, issued August 11, 1992).
- A.J. Epstein, R.P. McCall, and J.M. Ginder, Erasable Optical Information Storage System,
U.S. Patent No.
5,039,583 (filed February 2, 1989, issued August 13, 1991).
- A.J. Epstein, K.R. Cromack, M.E. Jozefowicz, and J.M. Ginder, Thermal Processes for Stretch-Orientation of Polyaniline
Films and Fibers, U.S. Patent No.
4,913,867 (filed February 2, 1989, issued April 3, 1990), Canadian Patent No. 2,045,181
(issued September 5, 1995), Japanese patent application No. 503735/90 (published March 13, 2000).
- A.J. Epstein, J.R. Ewing, and J.A. Swift, Electrically Insulating Polymer Matrix with Conductive Path Formed in Situ,
U.S. Patent No.
4,841,099 (filed May 2, 1988, issued June 20, 1989; filed in Japan by Xerox).
- A.J. Epstein, J.M. Ginder, M.G. Roe, H. Hajiseyedjavadi, and J. Joo, Electromagnetic Radiation Absorbers and Modulators
Comprising Polyaniline, U.S. Patent No.
5,563,182 (filed April 22, 1988, issued October 8, 1996).
- A.J. Epstein, J.M. Ginder, M.G. Roe, H. Hajiseyedjavadi, and J. Joo, Electromagnetic Radiation Absorbers and Modulators
Comprising Polyaniline, U.S. Patent No.
5,463,014 (filed April 2, 1988, issued October 31, 1995).
- A.J. Epstein, J.M. Ginder, M.G. Roe, and H. Hajiseyedjavadi, Electromagnetic Radiation Absorbers and Modulators Comprising
Polyaniline, U.S. Patent No.
5,294,694 (filed April 22, 1988, issued March 15, 1994).
- A.J. Epstein, J.M. Ginder, M.G. Roe, and H. Hajiseyedjavadi, Electromagnetic Radiation Absorbers and Modulators Comprising
Polyaniline, U.S. Patent No.
5,079,334 (filed April 22, 1988, issued January 7, 1992).
- A.J. Epstein, J.M. Ginder, M.G. Roe, and H. Hajiseyedjavadi, Electromagnetic Radiation Absorbers and Modulators Comprising
Polyaniline, U.S. Patent No.
5,147,968 (filed April 22, 1988, issued September 15, 1992).
- D.J. Sandman and A.J. Epstein, Electrically Conductive Compounds, U.S. Patent No.
4,080,332 (1978), expired.
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