1
Garo Khanarian
Thomas M Leslie, Garo Khanarian: Microdisperse polymer/liquid crystal composite. Hoechst Celanese, Depaoli & O Brien, September 26, 1989: US04869847 (23 worldwide citation)

A novel composite of liquid crystal droplets having a diameter of no more than 0.1 micron dispersed in a synthetic resin matrix is disclosed. The novel material does not scatter light to any appreciable degree.


2
Garo Khanarian
Garo Khanarian, Donald Raskin, Alan Buckley, Gordon W Calundann, Anthony J East: Copolymeric nonlinear optical media. Hoechst Celanese, Depaoli & O Brien, September 18, 1990: US04957655 (15 worldwide citation)

In a preferred embodiment this invention provides a second order nonlinear optical film medium which consists of a thermoplastic copolymer which has a crystallographic molecular alignment, and a net dipolar molecular orientation normal to the film plane. The crystallographic molecular alignment is f ...


3
Garo Khanarian
Gunilla E Gillberg LaForce, Garo Khanarian: Organic-inorganic composites with enhanced nonlinear optical response. Hoechst Celanese, Depaoli & O Brien, April 3, 1990: US04913845 (11 worldwide citation)

In one embodiment this invention provides an nonlinear optical medium which is a composite of a polymer matrix which exhibits nonlinear optic response, and a silver colloid which is dispersed in the polymer matrix.


4
Garo Khanarian
Garo Khanarian, Robert Norwood, James Sounik, Jacquelyn Popolo, Steve Meyer: Waveguide device and method for phase matched second harmonic generation. Hoechst Celanese, Palaiyur S Kalyanaraman, June 29, 1993: US05224196 (9 worldwide citation)

In one embodiment this invention provides a frequency doubling optical waveguide consisting of a substrate-supported polymeric thin film waveguiding layer, in combination with one or more polymeric cladding layers. The waveguiding layer comprises moieties which exhibit nonlinear optical properties a ...


5
Brad L Smith, G Paull Torrence, Adolfo Aguilo, James S Alder: Methanol carbonylation process. Hoechst Celanese Corporation, Donald R Cassady, September 1, 1992: US05144068 (230 worldwide citation)

An alcohol such as methanol is reacted with carbon monoxide in a liquid reaction medium containing a rhodium catalyst stabilized with an iodide salt, especially lithium iodide, along with alkyl iodide such as methyl iodide and alkyl acetate such as methyl acetate in specified proportions. With a fin ...


6
Brad L Smith, G Paull Torrence, Adolfo Aguilo, James S Alder: Methanol carbonylation process. Hoechst Celanese Corporation, Ralph M Pritchett, Donald R Cassady, March 19, 1991: US05001259 (216 worldwide citation)

An alcohol such as methanol is reacted with carbon monoxide in a liquid reaction medium containing a rhodium catalyst stabilized with an iodide salt, especially lithium iodide, along with alkyl iodide such as methyl iodide and alkyl acetate such as methyl acetate in specified proportions. With a fin ...


7
Brad L Smith, G Paull Torrence, Adolfo Aguilo, James S Alder: Methanol carbonylation process. Hoechst Celanese Corporation, Donald R Cassady, June 25, 1991: US05026908 (198 worldwide citation)

An alcohol such as methanol is reacted with carbon monoxide in a liquid reaction medium containing a rhodium catalyst stabilized with an iodide salt, especially lithium iodide, along with alkyl iodide such as methyl iodide and alkyl acetate such as methyl acetate in specified proportions. With a fin ...


8
G Paull Torrence, Joel D Hendricks, Dennis D Dickinson, Adolfo Aguilo: Addition of hydrogen to carbon monoxide feed gas in producing acetic acid by carbonylation of methanol. Hoechst Celanese Corporation, Donald R Cassady, Depaoli & O Brien, February 19, 1991: US04994608 (156 worldwide citation)

The carbonylation of an alcohol to produce a carboxylic acid, especially methanol to produce acetic acid, in a low water reaction medium containing a rhodium catalyst stabilized with an iodide salt, especially lithium iodide, along with alkyl iodide such as methyl iodide and alkyl acetate such as me ...


9
Mark O Scates, Steven E Parker, Jennifer B Lacy, Russell K Gibbs: Recovery of acetic acid from dilute aqueous streams formed during a carbonylation process. Hoechst Celanese Corporation, Donald R Cassady, Stuart D Frenkel, February 4, 1997: US05599976 (146 worldwide citation)

A method is provided to improve the quality of recycle of certain residues by modifying the separation of alkanes and alkane-like materials and carbonyl-containing impurities from the recycle during the manufacture of acetic acid by the carbonylation of methanol. The improvement comprises partitioni ...


10
Dai W Kim, Joseph Steven Wiley Haas, William Edward Bessey: Thermoplastic three-dimensional fiber network. Hoechst Celanese, James L McGinnis, March 24, 1998: US05731062 (142 worldwide citation)

Three dimensional fiber networks which are semi-rigid and dimensionally stable are made from textile fabrics that have projections and optional depressions which are compressible and return to their original shape after being compressed. The fiber networks are made by the thermo-mechanical deformati ...