1
Dagobert E Stuetz: Liquid crystalline polymer substrates with orthogonal molecular orientation. Celanese Corporation, Depaoli & O Brien, November 25, 1986: US04624872 (41 worldwide citation)

In one embodiment this invention provides a polymeric, nonlinear optical medium comprising a thin substrate of wholly aromatic thermotropic liquid crystal polymer having an uniaxial orthogonal molecular orientation.


2
Chia Chi Teng, Dagobert E Stuetz: Thin film waveguide electrooptic modulator. Hoechst Celanese Corporation, Depaoli & O Brien, August 30, 1988: US04767169 (37 worldwide citation)

This invention provides a thin film waveguide electrooptic intensity modulation device. The thin film waveguide is an isotropic organic medium which exhibits nonlinear optical response. The device is adapted to modulate waveguided radiation by refractive index change commensurate with change in an a ...


3
Alan Buckley, Eui W Choe, Dagobert E Stuetz, Anthony F Garito: High performance nonlinear optical substrates. Celanese Corporation, Depaoli & O Brien, November 17, 1987: US04707303 (24 worldwide citation)

In one embodiment this invention provides a high performance nonlinear optical substrate which comprises a transparent organic polymer film containing an array of charge asymmetric molecules such as 13,13-diamino-14,14-dicyanodiphenoquinodimethane: ##STR1##


4
Tessie M Che, Dagobert E Stuetz: Inorganic-organic composite compositions with sustained release properties. Hoechst Celanese Corporation, Depaoli & O Brien, November 29, 1988: US04788164 (20 worldwide citation)

This invention provides a sustained release composite composition which consists of an inorganic oxide glass monolith with a microporous volume that contains a volatile organic component and a nonvolatile organic component.


5
Dagobert E Stuetz: Smoking preparations. Celanese Corporation, DePaoli & O Brien, August 9, 1983: US04397321 (18 worldwide citation)

This invention provides tobacco and non-tobacco smoking compositions which deliver smoke of reduced tar and nicotine content, and with a substantially reduced carbon monoxide content.


6
Marie Borzo, Dagobert E Stuetz: Organic nonlinear optical media. Hoechst Celanese Corporation, DePauli & O Brien, February 6, 1990: US04898691 (17 worldwide citation)

In one embodiment this invention provides a nonlinear optical medium consisting of a solid solution of components comprising (1) a thermoplastic polymer such as poly(methyl acrylate/butyl acrylate); (2) a first organic compound which exhibits nonlinear optical response such as 4-amino-4'-nitrostilbe ...


7
Chia Chi Teng, Dagobert E Stuetz: Thin film waveguide electrooptic modulator. Hoechst Celanese Corporation, DePaoli & O Brien, October 31, 1989: US04877298 (16 worldwide citation)

This invention provides a thin film waveguide electrooptic intensity modulation device. The thin film waveguide is an isotropic organic medium which exhibits nonlinear optical response. The device is adapted to modulate waveguided radiation by refractive index change commensurate with change in an a ...


8
Tessie M Che, Dagobert E Stuetz, Alan Buckley, Donald R Ulrich: Inorganic-organic composite compositions exhibiting nonlinear optical response. Hoechst Celanese, DePaoli & O Brien, August 29, 1989: US04861129 (13 worldwide citation)

This invention provides an optical medium which consists of an inorganic glass monolith with a microporous structure containing an organic component which exhibits nonlinear optical response.


9
Alan Buckley, Tessie M Che, Thomas M Leslie, James B Stamatoff, Dagobert E Stuetz, Donald R Ulrich: Liquid crystalline composites. Hoechst Celanese Corporation, DePaoli & O Brien, March 21, 1989: US04814211 (10 worldwide citation)

This invention provides an optical medium which consists of a composite of homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline component.


10
Dagobert E Stuetz: Production of activated carbon fibers from acid contacted polybenzimidazole fibrous material. Celanese Corporation, Burns Doane Swecker & Mathis, July 17, 1984: US04460708 (10 worldwide citation)

An improved process which makes possible the expeditious formation of activated carbon fibers having high absorptivity characteristics is provided. A polybenzimidazole fibrous material is contacted with a solution of an acid (e.g. sulfuric acid) so as to form a polybenzimidazonium salt (as described ...