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. 26, 1982
Filed:
Sep. 13, 1979
Dennis C Green, Hopewell Junction, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Substituted derivatives of tetrathiafulvalene, tetraselenafulvalene and dithiadiselenafulvalene having the general formulae ##STR1## where Z is S and Y is S; Z is S and Y is Se; and Z is Se and Y is Se, and R can be CO.sub.2 H, R'R'COH, R'CHOH, COR', SCH.sub.3, SO.sub.2.sup.- Li.sup.+, SnR.sub.3 ', SiR.sub.3, --CH.sub.2 OH --CO.sub.2 R', R'CHOH, CHO, CR.sub.2 ' CR.sub.2 'OH, TTF, TSeF and DTDSeF, R' and R' can be the same or different and is selected from the group consisting of alkyls, aryls, alkaryls, ether substituted alkyls, halogen substituted alkyls and halogens, are prepared. A novel method for their preparation is also described.