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:
Sep. 11, 1990
Filed:
Apr. 09, 1987
National University of Singapore, Kent Ridge, SG;
Abstract
A simple chemical process for the simultaneous polymerization and oxidation of pyrrole, N-substituted pyrroles, and other heterocycles having five or six member rings by halogenic or organic electron acceptors. The polypyrrole-acceptor charge transfer complexes so produced are of high purity and are stable in the atmosphere, in the presence of moisture and at elevated temperatures. The conductivities of the complexes are controllable between 30 ohm.sup.-1 cm.sup.-1 and 10.sup.-3 ohm-1 cm-1, depending on the type of acceptor used and the process conditions.
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