| Patents for C07D 345 - Heterocyclic compounds containing rings having selenium or tellurium atoms as the only ring hetero atoms (419) |
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| 09/07/1994 | EP0613422A1 Squarylium dyes. |
| 08/02/1994 | US5334333 Electroactive compounds, compositions and devices and methods of making the same |
| 06/29/1994 | EP0603783A1 Fluorescent stain containing pyrylium salt or its similar salt, detection method of nucleic acid by use of it, and fluorescent staining method of biological sample |
| 05/17/1994 | US5312913 Complexes of electron donors and electron acceptors |
| 03/23/1994 | EP0588759A1 Dithiopentacene derivatives, their preparation and their use in charge-transfer complexes |
| 02/21/1994 | CA2104323A1 Dithiopentacene derivatives, their preparation and the use thereof as electron acceptors in charge transfer complexes |
| 01/05/1994 | EP0576492A1 Macrocyclic thioether ligands and their use as intermediates for binding ions to substrates |
| 12/14/1993 | CA1325205C Substituted flavanoid compounds, their salts, their manufacture and medicines containing these materials |
| 11/11/1993 | DE4215826A1 New selenazolyl and selenophenyl squaric acid dyestuff cpds. - prepd. by reacting N,N-di or N-mono-substd. 2-amino:selenazole(s) with squaric acid or ester(s) in polar solvent |
| 09/07/1993 | US5242783 Photographic material and process |
| 08/24/1993 | US5238526 Vapor depositing the crystals, thermal annealing for purification |
| 08/17/1993 | US5237067 Molecular switches, dithio or diseleno carbamate esters of cyclic 1,3-dithia- or diselena-2-iminium salts |
| 08/04/1993 | EP0554219A1 Resin composition containing charge-transfer complexes, their preparation and their use |
| 07/30/1993 | CA2088211A1 Synthetic polymer compositions containing charge transfer complexes, their preparation and the use thereof |
| 07/27/1993 | US5231190 Squarylium compounds, and processes and intermediates for the synthesis of these compounds |
| 07/21/1993 | EP0551509A1 Photographic material and process |
| 07/13/1993 | US5227499 Substituted squarylium dyes, and processes and intermediates for the preparation thereof |
| 07/13/1993 | US5227498 Thermal imaging |
| 05/27/1993 | WO1993009956A1 Squarylium dyes |
| 05/27/1993 | CA2123991A1 Squarylium dyes |
| 05/19/1993 | CN1072172A Novel t-substituted-9-substituted amino-6-demethyl-6-deoxytetracyclines |
| 04/14/1993 | EP0536515A1 Novel 7-substituted-9-substituted amino-6-demethyl-6-deoxytetracyclines |
| 02/18/1993 | WO1993003419A1 Photographic material and process |
| 01/07/1993 | EP0521826A1 Process for the production of electroconductive layers |
| 01/03/1993 | CA2072795A1 Process for the production of conductive layers |
| 12/29/1992 | US5175280 Electroconductive complexes; heat resistance |
| 12/09/1992 | EP0516985A1 Synthesis of squarylium compounds |
| 11/25/1992 | EP0515133A2 Fluorone and pyronin Y derivatives |
| 11/07/1992 | CA2067959A1 Squarylium compounds, and processes and intermediates for the synthesis of these compounds |
| 09/29/1992 | US5151528 Electrophotography |
| 09/21/1992 | WO1992016520A1 Macrocyclic thioether ligands and their use as intermediates for binding ions to substrates |
| 09/21/1992 | CA2105872A1 Macrocyclic thioether ligands and their use as intermediates for binding ions to substrates |
| 06/24/1992 | EP0491364A2 Electroactive compounds, compositions and devices and methods of making the same |
| 06/18/1992 | CA2055652A1 Electroactive compounds, compositions and devices and methods of making the same |
| 05/26/1992 | US5116954 Antitumor agents |
| 01/28/1992 | US5084567 Electroconductive charge transfer compounds |
| 12/05/1991 | DE4017527A1 Charge transfer complexes - comprising bis:diazo:cyanidine and fulvalene derivs. |
| 11/19/1991 | US5066795 Reagent for perfluoroalkylation, heterocyclic sulfur or selenium compounds |
| 11/06/1991 | EP0454874A1 Thia- and/or selenafulvalenyl compound |
| 09/10/1991 | US5047419 Photodynamic therapy of glioma or mammary carcinoma using seleno- or telluropyrylium salts |
| 05/30/1991 | WO1991007397A1 Thia- and/or selenafulvalenyl compound |
| 04/24/1991 | EP0423956A1 Method for producing charge transfer complex crystals from the vapor phase |
| 01/16/1991 | EP0408495A2 Substituted tetrachalcogen fulvalenes and process for their preparation |
| 01/11/1991 | CA2020658A1 Substituted tetrachalcogenofulvalenes and a process for their preparation |
| 01/02/1991 | EP0405448A1 Purification of tellurapyrylium dyes |
| 12/27/1990 | CA2018870A1 Purification of tellurapyrylium dyes |
| 10/16/1990 | US4963669 Purification of tellurapyrylium dyes |
| 10/02/1990 | US4960886 Charge transfer complex formed between benzoquinone derivative and electron donor and process for producing the same |
| 08/16/1990 | EP0382206A1 Perfluoroalkyl-containing compound |
| 05/09/1990 | EP0367449A1 Mixed chalcogenide pyrylium salts of a Lewis base |
| 04/10/1990 | US4916127 Photodynamic antitumor agents |
| 11/08/1989 | EP0341104A2 Substituted flavonoid compounds, their salts, their manufacture and medicines containing these materials |
| 09/19/1989 | CA1259621A1 4h-tellurin tellurane electron-accepting sensitizers for electron-donating photoconductive compositions |
| 07/11/1989 | US4847441 Difluorotetrachlorophenanthrenes |
| 06/13/1989 | CA1255686A1 (2-fluoro-5,6,11,12-tetraselenotetracene).sub.2 chloride, process for its preparation and its use |
| 05/10/1989 | EP0315491A2 Amino-substituted pyrylium dyes and uses thereof |
| 03/21/1989 | CA1251451A1 Benzoseleno¬4,3,2-cd|indazole compositions and methods for their production and use |
| 03/14/1989 | CA1251214A1 Telluropyrylium electron accepting dye sensitizers for electron donating photoconductive compositions |
| 01/31/1989 | US4801701 Difluorinated (5,6,11,12-tetraselenotetracene)2 halides, the preparation thereof and the use thereof |
| 12/07/1988 | EP0293749A1 N,N'-Biscyano-p-benzoquinonebisimines, charge-transfer complexes containing them and radical-ion salts of the biscyano-benzoquinonebisimines |
| 06/28/1988 | US4754028 Reacting norbornene-2 with selenium in the presence of sulfide or selenide catalyst |
| 05/03/1988 | CA1235891A1 Process for preparation of chalcogenide alloys by coreduction of esters |
| 09/01/1987 | US4691028 Tetra-substituted fulvalene derivatives |
| 04/23/1987 | DE3635124A1 Difluorinated (5,6,11,12-tetraselenotetracene)2 halides, their preparation and their use |
| 03/18/1987 | EP0214425A1 Tellurane sensitizers for photoconductive compositions |
| 01/06/1987 | US4634553 Electrography |
| 12/10/1986 | EP0204419A2 Fulvalene derivatives |
| 10/14/1986 | US4617151 Bonded to addition polymers and used as charge transfer compounds |
| 08/05/1986 | US4604390 Fungicides, antitumor agents |
| 07/22/1986 | US4601853 Organic conductor |
| 04/15/1986 | US4582641 Compounds of o-(6-hydroxy-3-oxo-3H-thio(seleno)xanthen-9-yl)benzene sulfonic(benzoic) acid useful as photosensitizers |
| 03/25/1986 | US4578220 Charge transfer complexes of tetrathio/seleno-fulvalene derivatives and biscyanimine derivatives; biscyanimine derivatives and method for producing same |
| 02/05/1986 | EP0170412A1 Benzoselenino[4,3,2-cd]indazole compounds, compositions comprising the compounds and processes for producing the compounds |
| 01/14/1986 | US4564634 Eleostearic acid |
| 12/11/1985 | EP0163888A1 Amidinohydrazones of derivatives of tetraline, chromone, thiachromone, and tetrahydroquinoline, process for their preparation, and their use in medicaments |
| 11/26/1985 | CA1197255A1 Compounds having antineoplastic activity, process for the preparation thereof and pharmaceutical composition therefrom |
| 11/05/1985 | US4551214 Isomerization of tachysterol |
| 10/22/1985 | US4548800 Reacting selenic acid or selenium oxide with alcohol, then reduction |
| 09/04/1985 | EP0153905A1 (2-Fluoro-5,6,11,12-tetraseleno-tetracene)2 chloride, process for its production and its use |
| 07/23/1985 | US4530789 Electrical conductors at room temperature |
| 06/11/1985 | US4522754 Metallically conducting (2-fluoro-5,6,11,12-tetraselenotetracene)2 -bromide |
| 03/05/1985 | CA1183329A1 Process for reclaimation of high purity selenium, tellurium, and arsenic from scrap alloys |
| 01/09/1985 | EP0130509A1 Process for the preparation of previtamin D and photosensitizers |
| 11/20/1984 | CA1178027A1 Process for selenium purification |
| 10/23/1984 | CA1176432A1 Process for preparation of high purity tellurium |
| 07/31/1984 | US4462938 Reaction of phosgene iminium chloride with hydrogen sulfide or hydrogen selenide |
| 07/17/1984 | US4460408 Process for preparation of chalcogenide alloys by coreduction of esters |
| 05/23/1984 | EP0109360A1 Metallic conductive (2-fluoro-5,6,11,12-tetraselenotetracene)2-bromide, process for the preparation thereof and the use thereof |
| 03/21/1984 | EP0103383A1 Process for selenium purification |
| 03/14/1984 | EP0102754A1 Process for reclamation of high purity selenium, tellurium, and arsenic from scrap alloys |
| 03/14/1984 | EP0102753A1 Process for preparation of high purity tellurium |
| 02/28/1984 | US4434098 Substituted benzotelluropyrones |
| 02/22/1984 | EP0101238A2 Process for preparation of chalcogenide alloys by coreduction of esters |
| 02/14/1984 | US4431586 Monocyclic telluropyrones |
| 12/07/1983 | EP0095663A1 Organic selenium compounds having an anti-neoplastic activity |
| 10/25/1983 | US4411698 Acidification, reaction with alcohol to form metallic compounds, then reduction |
| 10/25/1983 | CA1155860A1 Heterofulvalene geminal dithiolate compounds and their selenium and tellurium analogs and a method of fabricating the same |
| 09/20/1983 | US4405515 Heterofulvalene geminal dithiolate compounds and their selenium and tellurium analogs and a method of fabricating the same |
| 09/06/1983 | US4402875 Substituted teraselenafulvalenes and high pressure synthesis thereof |
| 06/21/1983 | US4389389 Process for preparation of high purity tellurium |