1
Yajnanarayana H R Jois, John Reale Jr: Supported gas separation membrane, process for its manufacture and use of the membrane in the separation of gases. Texaco, Henry H Dilworth & Barrese Gibson, July 27, 1999: US05928410 (24 worldwide citation)

A supported gas separation membrane for separating a particular component from a mixture of gases, a process for its manufacture and the use of the membrane in the separation of gases are provided in which the supported gas separation membrane comprises (a) a porous polymeric support layer and (b) a ...


2
Harry W Gibson, Yajnanarayana H R Jois: Preparation of open chain poly(reissert compounds). Virginia Polytechnic Institute and State University, Richard P Fennelly, Louis A Morris, May 29, 1990: US04929713 (6 worldwide citation)

An open chain poly Reissert can be formed by the initial reaction of an aromatic dialdehyde (e.g., terephthaldicaboxaldehyde) and primary amine (e.g., methylamine) to form a reaction product which is then reacted with an aliphatic acid chloride (e.g., adipoyl chloride).


3
Harry W Gibson, Yajnanarayana H R Jois: Formation of acyclic bis (reissert compounds). Virginia Tech Intellectual Properties, Richard P Fennelly, Louis A Morris, February 26, 1991: US04996346 (2 worldwide citation)

Bis Reissert compounds can be formed by reaction of a cyanohydrin, formed by reaction of an aldehyde and a diamine, with benzoyl chloride in the presence of an amine acid acceptor.


4
Harry W Gibson, Yajnanarayana H R Jois: Preparation of acyclic bis (reissert compounds). Virginia Tech Intellectual Properties, Richard P Fennelly, Louis A Morris, August 20, 1991: US05041601 (1 worldwide citation)

A bis Reissert can be formed by the initial reaction of an aromatic dialdehyde (e.g., terephthaldicaboxaldehyde) and primary amine (e.g., methylamine) to form a reaction product which is then reacted with an acid chloride (e.g., benzoyl chloride).


5
Harry W Gibson, Yajnanarayana H R Jois: Formation of poly(benzimidazole). Virginia Tech Intellectual Properties, Richard P Fennelly, Louis A Morris, November 19, 1991: US05066773 (1 worldwide citation)

A poly Ressert can be formed by first reacting benzimidazole with an aliphatic diacid chloride to form bisbenzimidazole and then reacting the bisbenzimidazole with an aliphatic diacid chloride and cyanide to form the poly Reissert.


6
Harry W Gibson, Yajnanarayana H R Jois: Polyamide containing reissert unit(s). Virginia Tech Intellectual Properties, Richard P Fennelly, Louis A Morris, March 16, 1993: US05194575 (1 worldwide citation)

Polyamide compositions containing Reissert units can be formed by the reaction of an open chain bis Reissert compound or a mono Reissert compound with a diamine and a diacid chloride.


7
Harry W Gibson, Yajnanarayana H R Jois: Bis(reissert compounds) from reaction of monoaldehyde, monoamine and diacid halide. Virginia Tech Intellectual Properties, Richard P Fennelly, Louis A Morris, July 14, 1992: US05130456

A bis Reissert can be formed by the initial reaction of an aliphatic or aromatic aldehyde (e.g., propionaldehyde) and primary amine (e.g., methylamine) to form a reaction product which is then reacted with a diacid chloride (e.g., adipoyl chloride).


8
Harry W Gibson, Yajnanarayana H R Jois: Isoquinoline-containing poly(Reissert compounds). Virginia Tech Intellectual Properties, Richard P Fennelly, Louis A Morris, March 2, 1993: US05191059

Poly (Reissert compounds) can be formed by reaction of a coupled bis(isoquinoline), e.g., a 4,4' -coupled bis(isoquinoline), a diacid chloride, e.g. adipoyl chloride, and a source of cyanide, e.g., trimethylsilyl cyanide.


9
Harry W Gibson, Yajnanarayana H R Jois: Reissert compound of bisbenzimidazole. Virginia Tech Intellectual Properties, Richard P Fennelly, Louis A Morris, December 11, 1990: US04977271

A Reissert compound of bisbenzimidazole can be formed by first reacting benzimidazole with an aliphatic diacid chloride to form bisbenzimidazole and then reacting the bisbenzimidazole with an aliphatic acid chloride and cyanide to form the Reissert compound thereof.


10
Harry W Gibson, Yajnanarayana H R Jois: Formation of reissert compound of benzoyl benzimidazole. Virginia Tech Intellectual Properties, Richard P Fennelly, Louis A Morris, March 19, 1991: US05001239

The Reissert compound of 1-benzoylbenzimidazole can be formed by reaction of an acid chloride (e.g., benzoyl chloride) and cyanide (e.g., trimethylsilyl cyanide) with benzoyl benzimidazole. It has the formula: ##STR1## and is useful as an intermediate in organic synthesis.