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United States Patent 5,338,529
Pirkle, et. al.Aug. 16, 1994

Recognition and separation of carbon clusters

Inventors: Pirkle; William H. (Champaign, IL); Welch; Christopher J. (Northbrook, IL).
Assignee: Research Corporation Technologies, Inc. (Tucson, AZ).
Appl. No.: 874,791
Filed: Apr. 27, 1992

Intl. Cl.:C01B 31/00;
U.S. Cl.:423/445.B; 423/461.;
Field of Search:445 B;460;461;445;DIG. 39

References Cited

Other References

Primary Examiner: Lewis; Michael
Assistant Examiner: Kalinchak; Stephen G.


Carbon clusters, such as C(60) and C(70) fullerenes are separated by means of a recognition selector having the formula: ##STR1## wherein R(1) is ##STR2## wherein R(2) is O, S or NR(12) wherein R(12) is independently hydrogen or P.dbd.O with the proviso that when R(12) is P.dbd.O, then only one such group is present and all R(2) 's are additionally bonded to R(12),

28 Claims, 5 Drawing Figures

Government Interest

The invention described herein was made with Government support under Grant NSF CHE 87-14950 awarded by The National Science Foundation. The Government has certain rights in the invention.

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