The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 30, 1996
Filed:
Mar. 23, 1994
Applicant:
Inventors:
William H Pirkle, Champaign, IL (US);
Christopher J Welch, Northbrook, IL (US);
Assignee:
Research Corporation Technologies, Inc., Tucson, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
2101982 ; 21032172 ; 21050028 ; 2105021 ; 210635 ; 210638 ; 210643 ; 210644 ; 210656 ; 502401 ; 556400 ;
Abstract
Carbon clusters, such as C.sub.60 and C.sub.70 fullerenes are separated by means of a recognition selector having the formula: ##STR1## wherein R.sub.1 is ##STR2## wherein R.sub.2 is O, S or NR.sub.12 wherein R.sub.12 is independently hydrogen or P.dbd.O with the proviso that when R.sub.12 is P.dbd.O, then only one such group is present and all R.sub.2 's are additionally bonded to R.sub.12,
Quick Actions:
Pirkle, William. (1996). Recognition and separation of carbon clusters (U.S. Patent No. 5487831). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5487831
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile