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| Patents for C07D 345 - Heterocyclic compounds containing rings having selenium or tellurium atoms as the only ring hetero atoms (419) |
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| 01/05/1983 | EP0068877A2 Telluropyrylium compounds and electron donating photoconductive compositions containing same | | 12/21/1982 | US4365017 Telluropyrylium electron accepting dye sensitizers for electron donating photoconductive compositions | | 12/14/1982 | US4363919 Heterofulvalene geminal dithiolate compounds and their selenium and tellurium analogs and a method of fabricating the same | | 12/07/1982 | US4362662 Electrochromic displays, lithography, optical printing | | 01/26/1982 | US4312992 And charge transfer salts with tetracyanoquinodimethan | | 01/26/1982 | US4312991 Chemical intermediates for heterofulvanenes | | 08/18/1981 | CA1107289A1 Substituted heterofulvalenes | | 06/16/1981 | US4273668 Ethylene carbonate, photoinitiators | | 01/20/1981 | US4246173 Reaction of a diselenocarbamate and haloketone followed by treatment with a dechalkogenizing reagent | | 01/07/1981 | EP0020896A1 A method of fabricating dithiafulven geminal dithiolate compounds and their selenium analogs | | 08/14/1979 | CA1060456A1 Preparation of novel photochromic compounds and imaging members | | 07/24/1979 | CA1059138A1 5,6,11,12-tetraselenotetracene-o-chloroanil complexes | | 07/17/1979 | CA1058624A1 Coupling of molecular units by deselenization of selenocarbonyl compounds | | 08/15/1978 | US4106939 Imaging and recording of information utilizing a tellurium tetrahalide complex of an aromatic amine | | 01/03/1978 | US4066460 Imaging and recording of information utilizing tellurium tetrahalide | | 06/07/1977 | US4028346 Tetraselenofulvalene, dithiodiselenofulvalene and the TCNQ salts thereof | | 10/05/1976 | US3984593 5,6,11,12-Tetraselenotetracene-o-chloroanil complexes | | 08/10/1976 | US3973966 Photochromic composition containing a diphenyl dibenzochrom-3-ene | | 07/27/1976 | US3971742 Containing tellurium and selenium;high speed electrography |
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