Patents for C01G 9 - Compounds of zinc (4,420)
08/1999
08/04/1999EP0671976B1 Fischer-Tropsch reaction with a catalyst comprising a zinc oxide composition
08/04/1999CN1224696A Direct preparation process of zinc oxide product
07/1999
07/29/1999DE19803970A1 High purity metal oxide, for use in the chemical, ceramics or electrical industry
07/21/1999EP0930347A1 Rust-preventive pigment composition and rust-preventive paints containing the same
07/21/1999EP0929613A1 Zinc sulphide pigment
07/14/1999EP0928807A1 Zinc-containing hydrotalcite particles and polyolefin resin composition containing them
07/09/1999CA2258071A1 Polyolefin resin composition and zinc-containing hydrotalcite particles
07/06/1999CA2092270C Ultraviolet screening composite oxide and process for producing the same
07/01/1999WO1999032675A1 A process for recovering zinc values as complex zinc cyanide solution and use of the same for stripping copper from loaded anion exchange material
06/1999
06/24/1999WO1999031014A1 Method for manufacturing clear brine fluids from impure zinc feedstock
06/24/1999WO1999030564A1 Algal growth or microbial proliferation inhibitors and use thereof
06/24/1999CA2315400A1 Method for manufacturing clear brine fluids from impure zinc feedstock
06/22/1999US5914101 Zinc oxide dispersions
06/19/1999CA2225370A1 A process for recovering zinc values
06/16/1999EP0923148A1 Lithium-ion-conductive solid electrolyte and solid-electrolyte lithium battery
06/02/1999EP0689478B1 Catalyst for the synthesis of higher alcohols
05/1999
05/27/1999WO1999025654A1 Ultraviolet-screening zinc oxide excellent in transparency and composition containing the same
05/25/1999CA2089950C Sunscreen agents
05/20/1999WO1999024173A1 A method and apparatus for producing nanoparticles at a high rate
05/18/1999US5904761 Preparing needle-shaped pigment for coated paper by mixing aluminum sulfate, zinc sulfate, calcium hydroxide
05/14/1999WO1999023191A1 Phosphors
05/06/1999WO1999022037A1 Method for extracting non-ferrous metals such as zinc by electrolysis and by adding substances containing phosphor
05/06/1999WO1999021934A1 Stabilized particles and methods of preparation and use thereof
05/06/1999DE19747917A1 Metal-contaminated hydrochloric acid is processed to produce near-azeotropic hydrochloric acid product
04/1999
04/29/1999DE19747328A1 Non-ferrous metal, especially zinc, electrowinning process
03/1999
03/24/1999CN1211538A Overall recovery method for wet-process zinc smelting clear liquid dregs
03/23/1999US5885542 Halo-zeo-type materials
03/17/1999CN1210813A Alkaline process for producing active zinc oxide
03/03/1999CN1209789A Nanostructured oxides and hydroxides and method of synthesis therefor
03/02/1999US5876688 Zinc oxide and a process of making it
03/02/1999US5876687 Exposing the graphite oxide to a metal chloride at or below the thermal decomposition temperature of the graphite oxide for sufficient time to form an intermediary carbonaceous reaction product comprising elements of metal, oxygen, and
02/1999
02/18/1999WO1999007466A1 Multiple stream high pressure mixer/reactor
02/17/1999EP0896568A1 Cationic laminar compounds and their production and use as stabilizers for halogen containing plastics
02/11/1999WO1999006492A1 Rust-preventive pigment composition and rust-preventive paints containing the same
02/10/1999CN1041995C Method for improving wetting of particulates in liquid
01/1999
01/28/1999WO1999003779A1 Method of hydrocarbon reforming and catalyst and catalyst precursor therefor
01/27/1999EP0893409A1 Zinc oxide-based fine particles, process for producing the same, and use thereof
01/20/1999CN1205351A Pigment for shielding of ultraviolet radiation
01/20/1999CN1041706C Process for preparing metal hydroxides
01/19/1999US5861133 Salt formation from aluminum compound, zinc compound with nickel, copper, cobalt and magnesium
01/07/1999EP0889099A2 Pigment for shielding of ultraviolet radiation
01/05/1999US5856597 Preparation of lucas reagent of enhanced utility and its use in synthesis of cycloaliphatic chlorides
01/05/1999US5855645 Production of more concentrated iron product from industrial waste materials streams
12/1998
12/23/1998EP0854765A4 Process for the production of ultrafine particles
12/09/1998CN1200953A Synthesized chalcoalumite type chemical compound and preparation method therefor
11/1998
11/24/1998US5840792 Stabilizer for halogen-containing resin
11/24/1998US5840267 Method for producing metal oxide powders
11/24/1998CA2078594C Method of preparing sunscreens
11/11/1998EP0876434A1 Sulphur compounds coated with a zinc compound for use as pigments
11/11/1998EP0876295A1 Nanostructured oxides and hydroxides and methods of synthesis therefor
11/05/1998WO1998049100A1 Preparation of lucas reagent of enhanced utility and its use in synthesis of cycloaliphatic chlorides
11/04/1998CN1197766A Reclamation method and equipment of zinc chloride from zinc-containing organic waste liquid
10/1998
10/28/1998EP0711268B1 Method for preparing alkoxylation products in the presence of additive-modified mixed hydroxides
10/21/1998EP0872448A2 Metal hydroxide solid solution, metal oxide solid solution and their processes for production
10/21/1998CN1196362A Metal hydroxide sosoloid, metal oxide sosoloid and manufacturing method thereof
09/1998
09/23/1998CN1039921C Method for preparating zinc oxide from zinc containing material
09/22/1998US5810946 Method for the production of galvanizing fluxes and flux feedstocks
09/16/1998CN1192991A Method for preparing nanometre-grade zinc oxide
09/02/1998EP0795036A4 Method for producing iron feedstock
07/1998
07/29/1998EP0854765A1 Process for the production of ultrafine particles
07/22/1998CN1039221C Method for preparation of granular high active zinc oxide and its products
07/07/1998US5776239 Forming oxalate salt with metal compound and ammonia, filtration after reaction with water
07/02/1998WO1998028454A1 Improvement in the process of recovery of metals
07/01/1998EP0850194A1 Process for preparing a nanocrystalline material
07/01/1998CN1186522A Process for recovering metals from iron oxide bearing masses
06/1998
06/23/1998US5770216 Conductive polymers containing zinc oxide particles as additives
06/16/1998US5766568 Reacting aqueous solution containing magnesium and zinc compounds with alkaline material
06/10/1998CN1184079A Supersonic emulsifying co-precipitation process preparing compound zinc oxide voltage-sensitive resistor powder
06/09/1998CA2082689C Zinc oxide crystal and method of producing same
06/02/1998US5759509 Metal hydroxide and oxide solid solutions having high aspect ratios and their processes for production
06/02/1998US5759503 Method for the further purification of zinc oxide
05/1998
05/28/1998WO1998022387A1 Nanostructured oxides and hydroxides and methods of synthesis therefor
05/28/1998CA2243441A1 Nanostructured oxides and hydroxides and methods of synthesis therefor
05/27/1998EP0844214A1 Synthetic chalcoalumite-type compounds and processes for producing the same
05/13/1998CN1038348C Prodn. of metal from minerals
05/12/1998US5750609 Ultraviolet protective agent
05/05/1998CA2078596C Dispersions
04/1998
04/29/1998EP0838458A1 Novel reagent for tetrazole synthesis and process for producing tetrazoles therewith
04/28/1998US5744114 Method of preparing dentifrice-compatible silica particulates
04/23/1998WO1998016470A1 Novel composite metal hydroxide salts, stabilizer for halogenoresins, and halogenoresin composition
04/22/1998CN1179447A Process for preparing pigment for coated paper
04/21/1998US5741947 Etherification
04/21/1998US5741526 Antimicrobial agent
04/01/1998EP0764137B1 Method for extracting metals from metal-containing materials by pyrohydrolysis
03/1998
03/31/1998US5734127 Use of barium copper oxide compounds as high critical temperature superconductors
03/26/1998WO1998012271A1 Zinc sulphide pigment
03/26/1998DE19638475A1 Zinksulfid-Pigment für den Einsatz in Formteilen aus synthetischen organischen Polymeren und in Beschichtungen Zinc sulfide pigment for use in molded parts made of synthetic organic polymers and in coatings
03/26/1998CA2266398A1 Zinc sulphide pigment
03/17/1998US5728363 React trivalent metal oxide powder with divalent metal compound and react intermediate formed with anion source, separation
03/17/1998US5728193 Process for recovering metals from iron oxide bearing masses
02/1998
02/18/1998EP0824086A1 Zinc oxide dispersions
01/1998
01/21/1998EP0671965B1 Separating zinc and manganese oxides
01/14/1998EP0817811A1 Cationic sheet-structure compounds, their production and their use
12/1997
12/31/1997WO1997049835A1 Process and apparatus for production of useful iron product from industrial waste streams
12/31/1997WO1997049637A1 Beneficiation of furnace dust for the recovery of chemical and metal values
12/31/1997CA2259423A1 Beneficiation of furnace dust for the recovery of chemical and metal values
12/31/1997CA2259325A1 Process and apparatus for production of useful iron product from industrial waste streams
12/29/1997EP0813500A1 Purification of metal containing solutions
12/11/1997WO1997046722A1 Recovery of iron products from waste material streams
12/11/1997CA2257910A1 Recovery of iron products from waste material streams
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