Patents for C01G 21 - Compounds of lead (978)
11/2012
11/27/2012US8318126 Methods of making metal oxide nanostructures and methods of controlling morphology of same
11/14/2012CN102115208B Method for preparing ferrous nitrate and lead sulfate by waste acid generated by preparing titanium white powder with sulfuric acid method
11/07/2012CN102115159B Method for preparing lead sulfide, calcium carbonate and sodium hydroxide by using alkali sulfide waste residues
10/2012
10/31/2012CN101844800B Carbonation method for lead
10/24/2012CN102747227A Method for preparing superfine lead oxide by using electrode active materials of wasted lead acid batteries
10/17/2012EP2511238A1 Process for producing basic lead carbonate
10/17/2012CN102730748A Method for preparing lead chloride and zinc sulfate by using mid low grade zinc oxide ores and zinc oxide-lead oxide paragenetic ores
10/10/2012CN102718251A Method for synthesizing PbO/ PbS nuclear shell structure
10/03/2012EP2505556A1 Sulfur removal using ferrous carbonate absorbent
09/2012
09/26/2012CN102689923A Preparation method of lead-acid battery PbO nano-powder
09/26/2012CN102689922A Lead compound nano-powder preparation method for recovery and manufacture of lead-acid battery
09/26/2012CN102689921A Preparation method of Pb oxide nano powder for recovery and manufacture of lead acid battery
09/26/2012CN102689881A Inorganic semiconductor super nanoparticle and its preparation method
09/25/2012US8273413 Methods of forming metal oxide nanostructures, and nanostructures thereof
09/19/2012CN102674440A Chemical method for preparing PbS film with peony-shaped surface appearance by ethylenediamine assisted in-situ preparation
09/19/2012CN102030363B Method for removing and reclaiming metal sulfide from molybdenite
09/12/2012CN101941735B Short rod-like and peony-like lead sulfide nano-structure material and preparation method thereof
09/05/2012CN102070185B Method for converting lead sulfate into lead tetraoxide
09/05/2012CN101780977B Energy-saving device for preparing nano-scale lead tetraoxide (red lead)
09/04/2012US8257679 Organically modified fine particles
08/2012
08/22/2012EP2488452A1 Re-dispersible metal oxide nanoparticles and method of making them
08/22/2012CN102642866A Method for recycling waste lead-acid storage battery and producing tribasic lead sulfate
08/15/2012CN102633299A Short-rod-shaped lead sulfide nanostructured material and preparation method thereof
08/08/2012CN102627317A Compound-basic lead nitrate and basic lead nitrate nonlinear optical crystal as well as preparation method and application thereof
08/01/2012CN102616833A Preparation method for orthorhombic nanometer lead oxide and tetragonal-phase nanometer lead oxide
08/01/2012CN102616832A Synthesis method of alpha-PbO
07/2012
07/25/2012CN102602987A Method for preparing protein ribonuclease protein crystal modified lead sulfide nanorod
07/18/2012EP2475618A1 Solid material in divided state, method for manufacturing such a material and use of such a material in a photovoltaic cell
07/11/2012CN102557119A Method for preparing lead sulfide nanotubes
07/11/2012CN101712487B Method for preparing beta-type lead dioxide nanometer particles
07/04/2012CN101723713B Overall treatment method of steel works sintering dust
06/2012
06/06/2012CN101830497B Supergravity hydrothermal preparation method of spherical inorganic powder grains
05/2012
05/30/2012CN101955220B Method for preparing PbS spherical nano crystals by water-phase process
05/23/2012CN102464349A 一种鳌合物沉淀的处理工艺 One kind of chelate precipitation treatment process
05/23/2012CN101823761B Wet chemical recovery method of lead and zinc in burning solid products
05/16/2012CN101767817B Binary sulfide PbXZn(1-X)S fine particle with flower-shaped structure and preparation method thereof
05/15/2012US8178071 Metal oxide nanoparticles, production method thereof, light-emitting element assembly, and optical material
05/09/2012CN101885510B Method for preparing lead chloride and calcium sulfate from lead plasters of waste lead accumulators by wet process
04/2012
04/25/2012CN101723440B 一种生产碱式碳酸铅的工艺 A process for the production of basic lead carbonate
04/24/2012US8163430 Synthesis of metal compounds under carbothermal conditions
04/18/2012CN102417204A 一种溶液化学原位反应合成硫化铅薄膜的方法 A method of solution chemistry situ reaction synthesized lead sulfide films
04/12/2012WO2012046706A1 Method for producing dielectric thin film
04/10/2012US8153093 Carbonates of strontium, calcium, barium, zinc, lead from their nitrates, chlorides, hydroxdes reacted with ureas; efficient, easy formation, controled particle size; needle, rod shaped; high crystallinity, less prone to agglomeration, offering orientation birefringence; rubber, plastic, paper
04/03/2012US8147780 Recovery of lead in form of high purity lead carbonates from spent lead batteries incl. electrode paste
03/2012
03/14/2012CN102372431A Method for treating waste and old lead-containing glass
02/2012
02/15/2012CN102351217A Method of removing lead in by-product sodium sulfate of recovery and processing of waste lead storage batteries
02/01/2012CN101659441B 一种超高纯氧化铅的生产工艺 An ultra-high pure lead oxide production process
01/2012
01/26/2012US20120018551 Method of Producing Stable Oxygen Terminated Semiconducting Nanoparticles
01/25/2012CN101780976B Vertical read-lead mobile oxidation furnace
01/18/2012CN102320650A Zinc tin-doped manganese nitrogen compound-manganese nitride composite material
01/11/2012CN101885511B Method for preparing monoclinic lead tungstate nano belt crystal material
01/11/2012CN101723439B Method for recovering lead chloride from sintered ashes and preparing lead monoxide
01/04/2012CN101712486B Method for reclaiming lead from waste water
12/2011
12/21/2011CN101805015B 多孔PbS纳米片的制备方法 Preparation of porous PbS nanosheets
12/20/2011US8080229 Water soluble nanocrystalline quantum dots
12/14/2011CN102275982A 一种溶解硫酸铅的混合溶剂 Lead sulfate is dissolved in a mixed solvent
12/07/2011CN102266741A 一种PbS纳米空心微球的制备方法 One kind of PbS nano hollow microspheres prepared
11/2011
11/30/2011CN102259909A 一种用于固体推进剂的碳酸铅燃烧催化剂的制备方法 Catalyst Preparation Process lead carbonate for solid propellant combustion
11/30/2011CN102259908A 一种制备固体推进剂用碳酸铅燃烧催化剂的方法 A solid propellant combustion catalyst prepared by lead carbonate
11/23/2011CN102249314A Method for preparing chromic hydroxide, lead chloride and sodium nitrate by chromium-containing mirabilite
11/23/2011CN102249313A Method for preparing chromium hydroxide, lead chloride and mixed nitrate from chromium slag
11/23/2011CN102249294A Preparation method and application of alpha-PbF2 octahedral, flaky or clubbed material
11/23/2011CN101844801B Monodisperse water soluble lead sulfide nanometer crystal druse and preparation method theroef
11/17/2011WO2011140700A1 Method for preparing quantum dots of lead selenide
11/10/2011US20110274598 Sustainable recovery of metal compounds
11/09/2011CN102234132A Method for preparing eight pointed star shaped lead sulphide material
11/09/2011CN102234131A Preparation method of dendritic lead sulfide material
10/2011
10/26/2011EP1452490B1 Piezoelectric body, manufacturing method thereof, piezoelectric element having the piezoelectric body, inject head, and inject type recording device
09/2011
09/22/2011US20110230339 Methods of producing metal oxides, a method of producing adsorption media including the same, and a precursor of an active component including the metal oxide
09/07/2011EP2362854A2 Inorganic multilayered nanostructures
09/07/2011CN102173449A Method for preparing nanometer lead dioxide electrode
09/06/2011US8012449 Method of manufacturing complex metal oxide powder and amorphous complex metal oxide
08/2011
08/31/2011CN102167394A Method for preparing lead nitrate and silver nitrate by utilizing waste residues obtained during production of lithopone
08/31/2011CN102167393A Method for preparing a mixture of lead carbonate and silver carbonate with waste residue gained from lithopone production
08/31/2011CN102167392A Method for preparing lead hydroxide and silver chloride mixture with waste residues from production of lithopone
08/31/2011CN101792176B Preparation method for producing nano-red lead (lead tetraoxide) via dry-wet process technology
08/25/2011US20110206596 Inorganic multilayered nanostructures
08/17/2011CN102159503A Method for producing aqueous compatible nanoparticles
08/17/2011CN102153134A Method for preparing lead sulfate and silver sulfate mixture from waste residues obtained by producing lithopone
08/16/2011US7998440 Reclaiming of lead in form of high purity lead compound from recovered electrode paste slime of dismissed lead batteries and/or of lead minerals
08/11/2011US20110195142 Heat-reactive resist material, layered product for thermal lithography using the material, and method of manufacturing a mold using the material and layered product
08/10/2011CN101851003B Full circulating pneumatic-transport lead oxide production process
07/2011
07/28/2011US20110182786 Hydrometallurgical process and method for recovering metals
07/27/2011CN102134094A Method for preparing high-purity lead-acid barium conductive material for lead-acid storage battery
07/20/2011CN102126748A Preparation method of lead dichloride
07/20/2011CN101768668B Method for comprehensive recovery of lead and tin from alkaline refining slag of lead
07/12/2011US7976819 Water soluble nanocrystalline quantum dots
07/06/2011CN102115208A Method for preparing ferrous nitrate and lead sulfate by waste acid generated by preparing titanium white powder with sulfuric acid method
07/06/2011CN102115159A Method for preparing lead sulfide, calcium carbonate and sodium hydroxide by using alkali sulfide waste residues
07/06/2011CN102115158A Method for preparing lead chloride and calomel from mercury-containing waste catalyst
06/2011
06/28/2011US7968070 Process for the production of metal oxide powders
06/22/2011EP1449817B1 Production of oriented material or composite material through centrifugal burning
06/16/2011WO2011069311A1 Process for producing basic lead carbonate
05/2011
05/26/2011US20110123418 Process for Forming High Density Sulfides
05/25/2011CN102070185A Method for converting lead sulfate into lead tetraoxide
05/18/2011CN102060323A Method for preparing mixture of lead sulfide and silver sulfide from waste residue obtained by producing lithopone
05/18/2011CN102060322A Method for preparing cubic lead sulfide material
05/18/2011CN101580272B Lead fluoride crystal co-doped with ytterbium and alkaline and preparation method thereof
05/05/2011US20110104039 Process for preparing catalysts involving the regeneration of metal carbonate precipitants
04/2011
04/27/2011CN102030363A Pyrometallurgical process for treating molybdenite containing lead sulfide
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