1
Long Y Chiang, Ravindra B Upasanti, John W Swirczewski: Polysubstituted fullerenes and their preparation. Exxon Research & Engineering Co, Estelle C Bakun, March 15, 1994: US05294732 (29 worldwide citation)

The present invention is directed to polysubstituted fullerene moieties having a plurality of substituents thereon wherein the substituents are selected from the group consisting of hydroxy in combination with hydroxy, amino, oxide, nitro, organocarboxy, amide and mixtures thereof.


2
Long Y Chiang, Ravindra B Upasani, John W Swirczewski: Process of forming polysubstituted fullerenes. Exxon Research and Engineering Company, Estelle C Bakun, January 5, 1993: US05177248 (28 worldwide citation)

The present invention is directed toward the preparation of novel polysubstituted fullerenes. The method of forming polysubstituted fullerenes comprises contacting a fullerene with an electrophilic reagent selected from the group consisting of nitronium ion and organic peracid, provided that when th ...


3
Long Y Chiang, Ravindra B Upasanj, John W Swirczewski: Polysubstituted fullerenes and their preparation (C-2608). Exxon Research & Engineering Co, Estelle C Bakun, May 16, 1995: US05416188 (27 worldwide citation)

One embodiment of the present invention is directed to polysubstituted fullerene moieties having a plurality of substituents thereon, selected from the group consisting of hydroxy, oxide, nitro, amino, organocarboxy, amide, and mixtures thereof.


4
Long Y Chiang, John W Swirczewski: Polyquinoxaline and the method of preparation. Exxon Research and Engineering Company, Joseph J Dvorak, September 22, 1992: US05149773 (3 worldwide citation)

Novel polymers consisting essentially of recurring moieties selected from polyquinoxaline and substituted polyquinoxalines are disclosed. These polymers are prepared by contacting 1,,2,3,4-tetrahydroquinoxaline or 1,2,3,4-organo substituted tetrahydroquinoxaline compounds with a transition metal sul ...


5
Long Y Chiang, John W Swirczewski: Synthesis of quinoline and substituted quinoline copolymers. Exxon Research and Engineering Company, Joseph J Dvorak, Linda M Scuorzo, November 10, 1992: US05162495 (3 worldwide citation)

The present invention is predicated on the discovery that quinoline and substituted quinoline derivatives, having substituents in positions other than the 2 and 6 position, undergo polymerization in the presence of tetrahydroquinoline or substituted tetrahydroquinolines and a transition metal sulfid ...


6
Long Y Chiang, John W Swirczewski: Quaternary salts of polymers having repeating quinoxaline moieties. Exxon Research and Engineering Company, Joseph J Dvorak, Linda M Scuorzo, December 29, 1992: US05175221 (2 worldwide citation)

Novel polymers consisting essentially of frecurring moieties selected from polyquinoxaline and substituted polyquinoxalines are disclosed. These polymers are prepared by contacting 1,2,3,4-tetrahydroquinoxaline or 1,2,3,4-organo substituted tetrahydroquinoxaline compounds with a transition metal sul ...


7
Long Y Chiang, Russell R Chianelli, John W Swirczewski: Organic nitrogen-containing metal sulfide compositions, their preparation and use. Exxon Research and Engineering Company, Joseph J Dvorak, November 20, 1990: US04971938 (1 worldwide citation)

The present invention includes a composition of matter comprising a sulfide of a metal selected from Groups VIB, VIIB and VIII of the Periodic Tables, or mixtures thereof, and an aromatic, nitrogen-containing heterocyclic compound selected from the group consisting of tetrahydroquinoline, and the mo ...


8
Long Y Chiang, Russell R Chianelli, John W Swirczewski: Method for polymering aromatic heterocyclic compounds. Exxon Research and Engineering Company, Joseph J Dvorak, January 1, 1991: US04981949 (1 worldwide citation)

The present invention includes a composition of matter comprising a sulfide of a metal selected from Groups VIB, VIIB and VIII of the Periodic Tables, or mixtures thereof, and an aromatic, nitrogen-containing heterocyclic compound selected from the group consisting of tetrahydroquinoline, and the mo ...



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