US5294732A
Expired / Lapsed
US
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Polysubstituted fullerenes and their preparation
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1992-12-23
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Granted: 1994-03-15
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Expires: 2012-12-23
Abstract
Abstract 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.
Inventors
- 👤 Long Y. Chiang
- 👤 Ravindra B. Upasanti
- 👤 John W. Swirczewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:52
CPC Classifications
B; B82; B82Y; B82Y30/00; B82Y40/00; C; C01; C01B; C01B32/00; C01B32/15; C01B32/152; C01B32/156; C07; C07C; C07C201/00; C07C201/06; C07C201/10; C07C201/12; C07C205/00; C07C205/39; C07C205/41; C07C209/00; C07C209/68; C07C213/00; C07C213/02; C07C213/08; C07C231/00; C07C231/06; C07C231/12; C07C37/00; C07C37/68; C07C37/70; C07C51/00; C07C51/16; C07C51/27; C07C51/285; C07C63/00; C07C63/68; C07C63/70; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C07C2603/00; C07C2603/93; C07C2603/95; C07C2603/96; C07C2603/97; C07C2604/00; Y; Y10; Y10S; Y10S977/00; Y10S977/70; Y10S977/734; Y10S977/735; Y10S977/737; Y10S977/738; Y10S977/753; Y10S977/84; Y10S977/842; Y10S977/848
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
36 words
A composition of a polysubstituted fullerene moiety having a plurality of substituents thereon, wherein said substituents are selected from the group consisting of hydroxy in combination with hydroxy, amino oxide, nitro, organocarboxy, amide, and mixtures thereof.
Claim 2
Dependent Claim
36 words
A composition of a polysubstituted fullerene moiety having a plurality of substituents thereon, wherein said substituents are selected from the group consisting of hydroxy in combination with hydroxy, amino oxide, nitro, organocarboxy, amide, and mixtures thereof.
Claim 3
Dependent Claim
24 words
The composition according to claim 1 wherein said fullerene moiety is selected from the group consisting of carbon 60, carbon 70 and mixtures thereof.
Claim 4
Dependent Claim
13 words
The composition according to claim 1 wherein said fullerene moiety is carbon 60.
Claim 5
Dependent Claim
41 words
The composition according to claim 1 wherein said organocarboxy substituents are selected from ##STR3## R is selected from substituted or nonsubstituted alkyl groups and substituted and nonsubstituted aryl groups, and wherein said substitutions are hydroxy, halides, nitro, cyano, and mixtures thereof.
Claim 6
Dependent Claim
14 words
A composition according to claim 1 wherein said amide substituent is CH 3 CONH.
Claim 7
Dependent Claim
34 words
A composition according to claim 2 wherein when said substituents are hydroxy, amino, and mixtures of hydroxy and amino, the ratio of said substituents t said fullerene moiety is about 5:1 to about 32:1.
Claim 8
Dependent Claim
34 words
A composition according to claim 2 where when said substituents are amino, and mixtures of amino and amide, the ratio of said substituents to said Fuller end moiety is about 4:1 to about 15:1.
Claim 9
Dependent Claim
27 words
A composition according to claim 2 wherein when said substituent is organocarboxy, the ratio of said organocarboxy to said fullerene moiety is about 4:1 to about 10:1.
References Cited (Backward Citations)
No citation records indexed.
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