1
Wayne M Gibbons, Robert Paul Grasso, Michael Kevin O Brien, Paul Joseph Shannon, Shao Tang Sun: Nonlinear optical media of organosilicon crosslinked polymer. Hercules Incorporated, Vidas Arrett & Steinkraus P A, February 3, 1998: US05714304 (19 worldwide citation)

Organosilicon polymers, including crosslinked polymers and crosslinkable prepolymers, of cyclic polysiloxanes, organic dyes, and, optionally, polyenes. The dyes include those with delocalized Pi electron systems linking electron donor groups and electron acceptor groups, and with at least two carbon ...


2
Wayne M Gibbons, Paul Joseph Shannon, Hanxing Zheng: Process for inducing alignment of liquid crystals and liquid crystal optical elements. Elsicon, Paul J Shannon, September 28, 1999: US05958293 (18 worldwide citation)

A process for inducing alignment of a liquid crystal medium adjacent to a surface of an optical alignment layer comprising: exposing at least one optical alignment layer to polarized light; the polarized light having a wavelength within the absorption band of said optical alignment layer; wherein th ...


3
Wayne M Gibbons, Paul Joseph Shannon, Hanxing Zheng: Materials for inducing alignment of liquid crystals and liquid crystal optical elements. Elsicon, Paul J Shannon Agent, September 28, 1999: US05958292 (9 worldwide citation)

A polyamic acid derived from an amine component comprising a 2-cyano-1,4-phenylene diamine and a family of diaryl ketones is claimed. The polyamic acids are useful in formation of polyimides, also claimed, and for the optical alignment of liquid crystals and the manufacture of liquid crystal optical ...


4
Wayne M Gibbons, Paul Joseph Shannon, Hanxing Zheng: Materials for inducing alignment of liquid crystals and liquid crystal optical elements. Elsicon, Paul J Shannon, August 15, 2000: US06103322 (9 worldwide citation)

The present invention provides novel polyamic acids and polyimide optical alignment layers for inducing alignment of a liquid crystal medium. The novel compositions comprise crosslinking diamines containing a C.sub.3 -C.sub.20 linear or branched hydrocarbon chains containing 1 to 4 carbon-carbon dou ...


5
Wayne Michael Gibbons, Robert Paul Grasso, Michael Kevin O Brien, Paul Joseph Shannon, Shao Tang Sun: Organosilicon polymers, and dyes, exhibiting nonlinear optical response. Hercules Incorporated, Vidas Arrett & Steinkraus P A, September 2, 1997: US05663308 (6 worldwide citation)

Organosilicon polymers, including crosslinked polymers and crosslinkable prepolymers, of cyclic polysiloxane, organic dyes, and, optionally, polyenes. The dyes include those with delocalized Pi electron systems linking electron donor groups and electron acceptor groups, and with at least two carbon- ...


6
Wayne M Gibbons, Paul Joseph Shannon, Hanxing Zheng: Crosslinking aromatic diamines for polyimide optical alignment layers. Paul J Shannon, November 6, 2001: US06313348 (1 worldwide citation)

The invention provides novel crosslinking aromatic diamines useful in preparing polyamic acids and polyimides for optical alignment layers. The novel compositions comprise crosslinking diamines containing a C