1
Kwan Yue A Jen, Ronald L Elsenbaumer: Thermally stable forms of electrically conductive polyaniline. Allied Signal, R C Stewart II, G H Fuchs, D L Webster, December 3, 1991: US05069820 (81 worldwide citation)

This invention relates to compositions of thermally stable electrically conductive substituted and unsubstituted polyanilines and to conductive articles formed from such compositions.


2
Kwan Yue A Jen, Ronald L Elsenbaumer: Solution processible forms of neutral and electrically conductive poly(substituted heterocycles). Allied Corporation, Richard C Stewart II, Gerhard H Fuchs, December 8, 1987: US04711742 (48 worldwide citation)

This invention relates to solutions comprising doped and undoped poly(substituted heterocycles) and an organic solvent which can be used to form conducting polymer articles, including films.


3
Pushkara R Varanasi, Kwan Yue A Jen, King Y Wong, Robert M Mininni: 1,1-vinyl substituted nonlinear optical materials. Enichem S p A, Lerner David Littenberg Krumholz & Mentlik, May 7, 1996: US05514799 (25 worldwide citation)

Nonlinear optical compounds having structures with delocalized resonance configurations corresponding to: ##STR1## wherein A.sub.1 and A.sub.2 are independently selected from electron withdrawing moieties; R.sub.1 and R.sub.2 are independently selected from aromatic rings, heteroaromatic rings and f ...


4
Chien Chung Han, Kwan Yue A Jen, Ronald L Elsenbaumer: Stabilized polyelectrolyte precursors of poly(aromatic and heteroaromatic vinylenes). Allied Signal, Richard C Stewart, Gerhard H Fuchs, February 13, 1990: US04900782 (23 worldwide citation)

This invention relates to novel forms of poly(heteroaromatic vinylenes), and poly(aromatic vinylenes) and to solutions thereof, either in the conductive form or non-conductive form.


5
Kwan Yue A Jen, Ronald L Elsenbaumer, Lawrence W Shacklette: Neutral and electrically conductive poly(heterocyclic vinylenes) and processes for preparing same. Allied Signal, R C Stewart II, G H Fuchs, D L Webster, November 26, 1991: US05068060 (22 worldwide citation)

This invention relates to electrically conductive and non-conductive forms of poly(heterocyclic vinylenes) and to solutions of same. Another aspect of this invention relates to novel precursor polymers which can be converted into the poly(heterocyclic vinylenes) of this invention.


6
Kevin J Drost, Pushkara R Varanasi, Kwan Yue A Jen, Michael A Drzewinski: Tricyanovinyl substitution process for NLO polymers. Enichem S p A, Lerner David Littenberg Krumholz & Mentlik, March 7, 1995: US05395556 (18 worldwide citation)

Base polymers devoid of non-linear optical properties exhibiting second order non-linear optical properties after the covalent attachment of tricyanovinyl groups to pendant side chains of the base polymer. Methods of preparing a polymer having second order non-linear optical properties by reacting t ...


7
Kwan Yue A Jen, Terence Moran: Melt transesterification process for the production of polycarbonates. Instituto Guido Donegani, Enichem America, Oblon Spivak McClelland Maier & Neustadt, June 22, 1993: US05221761 (14 worldwide citation)

A melt transesterification process for the production of polycarbonates, wherein at least one bis(aryl)carbonate is reacted with at least one dihydric phenol in the melted state, in the presence of a transesterification catalyst comprising at least one heterocyclic borate salt of the formula:


8
Kwan Yue A Jen, Ronald L Elsenbaumer, Lawrence W Shacklette: Neutral and electrically conductive poly(heterocyclic vinylenes) and processes for preparing same. Allied Signal, R C Stewart II, G H Fuchs, E D Buff, November 10, 1992: US05162473 (8 worldwide citation)

This invention relates to electrically conductive and non-conductive forms of poly(heterocyclic vinylenes) and to solutions of same. Another aspect of this invention relates to novel precursor polymers which can be converted into the poly(heterocyclic vinylenes) of this invention.


9
Kwan Yue A Jen, Ronald L Elsenbaumer, Lawrence W Shacklette: Neutral and electrically conductive poly(heterocyclic vinylenes) and processes for preparing same. Allied Signal, R C Stewart II, G H Fuchs, D L Webster, August 18, 1992: US05139703 (6 worldwide citation)

This invention relates to electrically conductive and non-conductive forms of poly(heterocyclic vinylenes) and to solutions of same. Another aspect of this invention relates to novel precursor polymers which can be converted into the poly(heterocyclic vinylenes) of this invention.


10
Kwan Yue A Jen, Ronald L Elsenbaumer: Process for preparing electrically conductive poly(isothianaphthene) from 1,3-dihydroisothianaphthene. Allied Signal, Richard C Stewart, Gerhard H Fuchs, December 6, 1988: US04789748 (4 worldwide citation)

A process for preparing electrically conductive poly(isothianaphthene) from 1,3-dihydroisothianaphthene by exposing an intimate mixture of 1,3-dihydroisothianaphthene and a oxidant/dopant such as ferric chloride to oxygen.