United States Patent | 5,294,732 |
Chiang, et. al. | Mar. 15, 1994 |
Inventors: | Chiang; Long Y. (Somerset, NJ); Upasanti; Ravindra B. (Flemington, NJ); Swirczewski; John W. (Kintnersville, PA). |
Assignee: | Exxon Research & Engineering Co. (Florham Park, NJ). |
Appl. No.: | 996,207 |
Filed: | Dec. 23, 1992 |
Intl. Cl.: | C07C 39/23; C07C 235/40; |
U.S. Cl.: | 560/86.; 560/89.; |
Field of Search: | 86;89 |
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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.