| Patents for C01G 13 - Compounds of mercury (371) |
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| 07/29/1999 | WO1999037832A1 Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films |
| 06/23/1999 | EP0923985A1 Device for vaporising liquid feed and for making gas vapour mixtures |
| 02/16/1999 | US5871703 Oxidation by barrier, pulse, corona or electron beam electrical discharge, collecting acids and particles by electrostatic precipitation, separation of acids from particles |
| 09/22/1998 | CA2037051C Purification of elemental sulphur |
| 09/03/1998 | DE19808762A1 Low anisotropy high temperature superconductor |
| 07/28/1998 | US5785935 Using liquid leachant |
| 07/28/1998 | US5785932 Catalytic reactor for oxidizing mercury vapor |
| 07/07/1998 | US5776862 Oxide superconductor and process of producing the same |
| 04/28/1998 | US5744107 Process for removing heavy metals from soil |
| 04/16/1998 | WO1998015357A1 BARRIER DISCHARGE CONVERSION OF SO2 AND NOx TO ACIDS |
| 10/29/1997 | EP0619764B1 Process for removing heavy metals from soils |
| 08/26/1997 | US5660806 Deleading by leaching, dissolving in hydrochloric acid or sulfuric acid and a salt of alkali metal, alkaline earth metal or ammonium, recovering from liquid phase |
| 07/29/1997 | US5652199 Solid phase reaction of component oxides, molding powders, heat treatment, mercury, barium, calcium, and copper oxides |
| 07/22/1997 | US5649894 Compositions and methods for waste treatment |
| 06/24/1997 | US5641392 Electrodrift purification of materials for room temperature radiation detectors |
| 05/01/1997 | CA2185317A1 Calomel purification process |
| 02/11/1997 | US5601795 Forming aqueous slurry of impure calomel, oxidizing to soluble mercuric chloride, separating solids, contacting liquid with reducing agent to precipitate purified calomel, separating |
| 02/05/1997 | CN1033990C Metal-oxide super-conductive composition and mfg. method and usage thereof |
| 02/04/1997 | US5599775 (Hg Cu)Bg2 Ca2 Cu3 Oy oxide superconductor and method of preparing the same |
| 01/22/1997 | EP0429609B1 Purification of elemental sulphur |
| 12/04/1996 | EP0745439A2 Process for removing heavy metals from soil |
| 12/04/1996 | EP0745438A2 Process for removing heavy metals from soil |
| 11/26/1996 | US5578551 Method for synthesis of high-temperature Hg-Ba-Ca-Cu-O (HBCCO) superconductors |
| 10/02/1996 | DE19611949A1 Producing composite material |
| 07/09/1996 | US5534490 (Hg,Cu)Ba2 Ca2 Cu3 Oy oxide superconductor and method of preparing the same |
| 06/19/1996 | EP0716677A1 Process for scrubbing a substantially oxygen-free fuel gas |
| 06/04/1996 | US5523067 Removal of mercury from naturally occurring streams containing entrained mineral particles |
| 06/04/1996 | US5522997 Process for the removal of toxic cyanide and heavy metal species from alkaline solutions |
| 04/24/1996 | CN1121318A Removing toxic metals from solutions |
| 04/10/1996 | EP0705229A1 Unsegregated oxide superconductor silver composite |
| 04/09/1996 | US5505925 Process for removing heavy metals from soil |
| 03/20/1996 | EP0702415A1 Oxide superconductor and method of manufacturing the same |
| 02/27/1996 | US5494649 Leaching copper, lead and tin with methanesulfonic acid |
| 02/07/1996 | EP0695224A1 Compositions and methods for waste treatment |
| 12/26/1995 | US5478540 Removal of mercury heavy metal values employing sulfur trioxide |
| 10/26/1995 | DE4431993C1 Removal and recovery of mercury from aq. solns. |
| 08/30/1995 | EP0341266B1 Superconductivity in square-planar compound systems |
| 08/24/1995 | DE4404997A1 Purification of combustible gas contg. e.g. mercury and hydrogen sulphide |
| 08/22/1995 | US5444039 Having specified crystal structure |
| 08/01/1995 | US5437797 Filtration; decolorizing; chelating both organic and inorganic mercury compounds with a macroporous, cross-linked polystyrene resin having polyisothiouronium groups |
| 06/28/1995 | EP0659704A1 Method of manufacturing oxide superconductor |
| 04/26/1995 | EP0650203A1 Oxide superconductor and process of producing the same |
| 04/04/1995 | US5403571 Mixing elemental sulfur with an aqueous sulfide or a base at high pH to form aqueous sulfide solution to cause extration of mercury form sulfur into sulfide solution; separating sulfur which is free of mercury and other impurities |
| 03/22/1995 | EP0644600A2 Oxide superconductor and method of manufacturing the same |
| 03/09/1995 | WO1995006699A1 Process for scrubbing a substantially oxygen-free fuel gas |
| 03/09/1995 | DE4333039A1 Process for purifying an essentially oxygen-free combustible gas |
| 02/09/1995 | WO1995003996A1 COMPOSITION AND METHOD FOR SYNTHESIS OF HIGH-TEMPERATURE HgBa-Ca-Cu-O (HBCCO) SUPERCONDUCTORS IN BULK AND THIN FILM |
| 01/05/1995 | WO1995000457A1 Unsegregated oxide superconductor silver composite |
| 01/04/1995 | EP0632512A2 Oxide superconductor and method of preparing the same |
| 12/14/1994 | EP0628337A1 Process for the removal of arsenic from a fluid in presence of a captation mass |
| 11/30/1994 | CN1095648A Compositions and methods for waste treatment |
| 10/19/1994 | EP0619764A1 Process for removing heavy metals from soils. |
| 09/29/1994 | WO1994021345A1 Removing toxic metals from solutions |
| 09/29/1994 | CA2157923A1 Process for the removal of toxic cyanide and heavy metal species from alkaline solutions |
| 06/30/1994 | DE4333739A1 Recovery of mercury@ from combustion flue gases |
| 06/23/1994 | DE4243313A1 Decontamination of solid to remove mercury by low temp. dry distn. |
| 04/12/1994 | CA1328352C Process for the removal of mercury from precious metal-cyanide liquors |
| 03/31/1994 | WO1994006575A1 Compositions and methods for waste treatment |
| 03/31/1994 | CA2145310A1 Compositions and methods for waste treatment |
| 03/15/1994 | US5294417 Decomposing the nitrate in an alkaline aqueous solution with a hypochlorite; reducing the hypochlorite and adding a mercury precipitating agent |
| 10/14/1993 | WO1993020011A1 Removal of mercury from han solutions |
| 10/05/1993 | CA1322658C Sulfide treatment to inhibit mercury adsorption onto activated carbon in carbon-in-pulp gold recovery circuits |
| 09/27/1993 | CA2092738A1 Process and solution for transforming insoluble mercury metal into a soluble compound |
| 09/14/1993 | US5245106 Copper sulfide |
| 08/24/1993 | US5238488 Process and solution for transforming insoluble mercury metal into a soluble compound |
| 05/27/1993 | WO1993006952A3 Process for removing heavy metals from soils |
| 04/15/1993 | WO1993006952A2 Process for removing heavy metals from soils |
| 04/15/1993 | CA2119021A1 Process for removing heavy metals from soil |
| 01/21/1993 | WO1993000983A1 Process for cleaning an exhaust gas containing sulphur dioxide and possibly other pollutants |
| 01/14/1993 | DE4123258A1 Verfahren zum reinigen eines schwefeldioxid und ggf. andere schadstoffe enthaltenden abgases Method for cleaning a sulfur dioxide and possibly other pollutants containing exhaust gas |
| 07/01/1992 | CN1062301A Process for removing mercury and arsenic from fluid in presence of capture agent of mercury and/or arsenic |
| 05/06/1992 | EP0484234A2 Process for theremoval of mercury and of arsenic eventually present from a fluid in presence of a recovery mass for mercury and/or arsenic |
| 04/01/1992 | EP0449947A4 Methods for processing superconducting materials |
| 10/09/1991 | EP0449947A1 Methods for processing superconducting materials |
| 09/12/1991 | DE4007270A1 Mercury sepn. from solids e.g. soil - by contact with additional mercury, and density sepn. |
| 06/05/1991 | EP0429609A1 Purification of elemental sulphur. |
| 04/04/1991 | DE3931891A1 Removing mercury etc. from gases - by catalytic oxidn. using ozone and metal oxide catalyst e.g. platinum and nickel and nickel oxide |
| 02/12/1991 | US4992207 Composition for extraction of metal ions and oxanions |
| 01/15/1991 | US4985137 Process for the removal of mercury from natural gas condensate |
| 12/13/1990 | DE4017996A1 Diagnostic reagent for detecting urinary calculi - esp. those contg. 2,8-di:hydroxy-adenine, contg. mercury ions in strongly acidic aq. soln. |
| 12/06/1990 | WO1990015021A1 Purification of elemental sulphur |
| 10/30/1990 | US4966763 Heating and condensing reaction product from particle bed of iodine compound; high purity |
| 06/14/1990 | WO1990006286A1 Methods for processing superconducting materials |
| 06/05/1990 | CA2004587A1 Methods for processing superconducting materials |
| 05/08/1990 | CA1268730A1 Purification of gases containing mercury and recovery of metallic mercury |
| 04/10/1990 | EP0341266A4 Superconductivity in square-planar compound systems. |
| 03/21/1990 | CN1040572A Manufacturing method for ceramics and products thereof |
| 11/15/1989 | EP0341266A1 Superconductivity in square-planar compound systems. |
| 09/20/1989 | CN1035680A Separating technique of mercury and antimony in composite mineral |
| 08/15/1989 | US4857293 Reacting metal oxide and aqueous hydrofluoric acid |
| 08/09/1989 | EP0205453B1 Process for the preparation of ultrapure heavy metal fluorides |
| 05/23/1989 | US4832933 Metal tetraiodomercurates as infrared detectors |
| 03/15/1989 | EP0306973A2 Manufacturing method for superconducting ceramics and products thereof |
| 03/09/1989 | DE3729030A1 Mercury adsorbent |
| 09/07/1988 | EP0280812A1 Superconductivity in square - planar compound systems |
| 08/10/1988 | CN87107765A Super conductivity in squar-planar compound systems |
| 07/14/1988 | WO1988005029A1 Superconductivity in square-planar compound systems |
| 03/29/1988 | US4734270 Sulfide treatment to inhibit mercury adsorption onto activated carbon in carbon-in-pulp gold recovery circuits |
| 03/15/1988 | US4731187 Removal of heavy metals from waste water |
| 02/23/1988 | US4726939 Process for the removal of mercury from precious metal-cyanide liquors |