1
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 ...


2
Anthony J East, Gordon W Calundann: Polyester of 6-hydroxy-2-naphthoic acid, aromatic diol, and 1,4-cyclohexanedicarboxylic acid capable of undergoing melt processing. Celanese Corporation, Charles B Barris, March 9, 1982: US04318842 (73 worldwide citation)

A novel polyester is provided which has been found to exhibit an optically anisotropic melt phase which enables it readily to undergo melt processing to form quality fibers, films, molded articles, etc. The polyester of the present invention contains recurring 6-oxy-2-naphthoyl moieties in addition ...


3
Anthony J East, Larry F Charbonneau, Gordon W Calundann: Poly(ester-amide) capable of forming an anisotropic melt phase derived from 6-hydroxy-2-naphthoic acid, dicarboxylic acid, and aromatic monomer capable of forming an amide linkage. Celanese Corporation, Charles B Barris, May 18, 1982: US04330457 (62 worldwide citation)

A melt processable poly(ester-amide) which is capable of forming an anisotropic melt phase is provided. The poly(ester-amide) of the present invention consists essentially of the recurring units (a) 6-oxy-2-naphthoyl moiety, (b) aryl dicarboxyl moiety or trans-1,4-dicarboxycyclohexane moiety, (c) an ...


4
Ian L Hay, Anthony J East, Gordon W Calundann: Polyester of 2,6-naphthalene dicarboxylic acid, 2,6-dihydroxy naphthalene, terephthalic acid, and hydroquinone capable of forming an anisotropic melt. Celanese Corporation, Burns Doane Swecker & Mathis, March 1, 1983: US04375530 (54 worldwide citation)

A novel wholly aromatic polyester is provided which contains specified concentrations of recurring 2,6-dicarboxynaphthalene moiety, 2,6-dioxynaphthalene moiety, terephthaloyl moiety, and 1,4-dioxybenzene moiety. It has been found that such polyester is capable of exhibiting an anisotropic melt phase ...


5
Anthony J East, Gordon W Calundann, Larry F Charbonneau: Anisotropic melt phase forming poly(ester-amide) derived from p-hydroxybenzoic acid, 2,6-naphthalenedicarboxylic acid, aromatic monomer capable of forming an amide linkage, and, optionally, hydroquinone and additional carbocyclic dicarboxylic acid. Celanese Corporation, Burns Doane Swecker & Mathis, October 19, 1982: US04355132 (52 worldwide citation)

A melt processable poly(ester-amide) which is capable of forming an anisotropic melt phase is provided. The poly(ester-amide) of the present invention consists essentially of the recurring units (a) p-oxybenzoyl moiety, (b) 2,6-dicarboxynaphthalene moiety, (c) aromatic moiety capable of forming an a ...


6
Larry F Charbonneau, Anthony J East, Gordon W Calundann: Poly(ester-amide) capable of forming an anisotropic melt phase derived from 6-hydroxy-2-naphthoic acid, other aromatic hydroxyacid, carbocyclic dicarboxylic acid, and aromatic monomer capable of forming an amide linkage. Celanese Corporation, Charles B Barris, September 28, 1982: US04351918 (52 worldwide citation)

A melt processable poly(ester-amide) which is capable of forming an anisotropic melt phase is provided. The poly(ester-amide) of the present invention consists essentially of the recurring units (a) 6-oxy-2-naphthoyl moiety, (b) other aromatic moiety derived from aromatic hydroxyacid, (c) carbocycli ...


7
Gordon W Calundann, Larry F Charbonneau, Anthony J East: Poly(ester-amide) capable of forming an anisotropic melt phase derived from 6-hydroxy-2-naphthoic acid, aromatic monomer capable of forming an amide linkage, and other aromatic hydroxyacid. Celanese Corporation, Charles B Barris, September 28, 1982: US04351917 (51 worldwide citation)

A melt processable poly(ester-amide) which is capable of forming an anisotropic melt phase is provided. The poly(ester-amide) of the present invention consists essentially of the recurring units (a) 6-oxy-2-naphthoyl moiety, (b) aromatic moiety capable of forming an amide linkage in the polymer, and ...


8
Anthony J East, Gordon W Calundann: Polyester of 6-hydroxy-2-naphthoic acid, para-hydroxy benzoic acid, terephthalic acid, and resorcinol capable of readily undergoing melt processing to form shaped articles having increased impact strength. Celanese Corporation, Charles B Barris, March 9, 1982: US04318841 (49 worldwide citation)

A novel thermotropic polyester is provided which has been found to exhibit an optically anisotropic melt phase at a temperature which enables it readily to undergo melt processing to form quality molded articles, fibers, etc., which exhibit substantial flexibility. For instance, molded articles can ...


9
Anthony J East: Preparation of aromatic polyesters by direct self-condensation of aromatic hydroxy acids. Celanese Corporation, Burns Doane Swecker & Mathis, July 12, 1983: US04393191 (40 worldwide citation)

Provided is a method for preparing melt-processable polyesters efficiently via the direct polymerization of aromatic hydroxy acids. By the direct polymerization method, hydroxy and acid moieties are reacted directly without the use of acetylated reactants, thereby avoiding the disadvantages inherent ...


10
Iain McCulloch, Anthony J East, Ming Kang, Richard Keosian, Hyun Nam Yoon: Water soluble negative-working photoresist composition. Clariant International, Sangya Jain, December 7, 1999: US05998092 (34 worldwide citation)

A water soluble polymer that when used with a suitable photoacid generator (PAG) forms a negative working water soluble photoresist. The polymer comprises of a backbone, such as polyvinyl ether, coupled by a linkage group to an acetal protected .beta.-keto acid group. With the addition of a number o ...