Patents for C01D 15 - Lithium compounds (2,046)
11/1999
11/17/1999EP0956263A1 Process for removing acids from lithium salt solutions
11/16/1999CA2104718C Simplified preparation of lipf6 based electrolyte for non-aqueous batteries
11/09/1999US5980855 Method for preparing lithiated metal oxides
11/02/1999US5976403 Organoalkali compounds and their preparation
10/1999
10/21/1999WO1999052823A1 METHOD FOR PRODUCING LiPF6 AND ELECTROLYTE SOLUTIONS CONTAINING THE SAME
10/21/1999DE19816691A1 Verfahren zur Herstellung von LiPF¶6¶ und dieses enthaltende Elektrolytlösungen Process for the preparation of this containing electrolytic solutions and LiPF¶6¶
10/05/1999US5961950 Method for preparing solid solution materials such as lithium manganese oxide
09/1999
09/29/1999EP0944550A1 LiPF 6 PRODUCTION PROCESS
09/14/1999US5951843 Method and apparatus for extracting lithium by applying voltage across lithium-ion conducting solid electrolyte
09/10/1999WO1999044941A1 Method for producing highly pure lithium salts
09/10/1999CA2322544A1 Method for producing highly pure lithium salts
09/09/1999DE19809420A1 Verfahren zur Herstellung von hochreinen Lithiumsalzen A process for producing high purity lithium salts
09/07/1999US5948475 Elemental metals or oxides distributed on a carbon substrate or self-supported and the manufacturing process using graphite oxide as template
08/1999
08/31/1999US5945037 Optical polarizer material
08/19/1999WO1999041194A1 METHOD FOR OBTAINING PURE, COARSE-CRYSTAL LiPF6 FROM A SOLUTION OF LiPF6 IN DIETHYL ETHER
08/19/1999WO1999041193A1 METHOD FOR PRODUCING PURE LiPF¿6?
08/12/1999WO1999040027A1 METHOD FOR MAKING HEXAFLUOROPHOSPHATE OF A METAL, M(PF6)n, PARTICULARLY OF LiPF6
08/10/1999US5935541 Process for manufacture of lithium hexafluorophosphate
07/1999
07/28/1999CN1224405A LipF6 production process
07/06/1999US5919287 Ion exchanging
07/02/1999CA2257560A1 Li reclamation process
06/1999
06/30/1999CN1221225A Method for preparing lithium ion battery active material superfines with spray drying method
06/17/1999WO1999029624A1 Process for the purification of lithium carbonate
06/17/1999DE19805360C1 Coarse pure lithium hexafluorophosphate crystals are produced using an aprotic crystallization aid
06/17/1999DE19805356C1 Lithium hexafluorophosphate is produced by reacting phosphorus pentachloride with an acidified lithium fluoride-diethylether suspension
06/10/1999WO1999028522A1 PROCESS FOR PREPARING A LiMO2 TYPE HETEROMETALLIC OXIDE FILM
06/02/1999CN1218443A Preparation of lithium manganese oxide spinel
06/02/1999CN1218304A Preparation of high activity anode material of lithium ion battery by controlled crystallization process
05/1999
05/25/1999CA2089950C Sunscreen agents
05/20/1999WO1999024359A1 Carbon product rich in lithium for use as negative electrode in a lithium cell
04/1999
04/28/1999CN1043155C Technological process of lithium hydroxide from lithionite and lime stone by sintering
04/07/1999CN1042823C Method for preparation of lemery salt
03/1999
03/31/1999EP0735983B1 Preparation of lithium hexafluorophosphate solutions
03/30/1999US5888463 Cryogenically cooling, comminution, reacting with water, phadjustment
03/25/1999WO1999014160A1 Treatment of molten salt reprocessing wastes
03/17/1999CN1210810A Process for manufacture of lithium hexafluorophosphate
03/11/1999WO1999011455A1 A thermal storage and transfer device
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
02/02/1999US5866093 Method of preparing LiPF6
01/1999
01/27/1999EP0892762A1 Method of preparation of lithium manganese oxide spinel
01/07/1999WO1999000326A1 Method of preparing metal and mixed metal oxides
12/1998
12/30/1998WO1998059385A1 Lithium recovery and purification
12/30/1998CN1041404C Method of removing bromate from LiBr solution
12/30/1998CN1041403C Purificating technology of directly making lithium bromide
12/30/1998CN1041402C Controlling method used in synthesizing course of directly making lithium bromide
12/23/1998CN1202385A Method for trapping and concentrating Li+ from Li+ containing dilution solution in ion exchanging system
12/09/1998EP0882671A1 Process for the preparation of lithium hexafluorophosphate
12/06/1998CA2239935A1 Process for producing lithium hexafluorophosphate
11/1998
11/25/1998CN1199710A Process for recovery of lithium and other metals and salts from brines in helminthoid evaporating system using solar energy
11/11/1998CN1040664C Method for trapping and concentrating LI from thin solution containing LI in ion-exchange system
11/10/1998US5833844 Thermally-driven ion-exchange process for lithium recovery
08/1998
08/26/1998EP0859781A1 Lithium and pyridine hexafluorophosphate solvate, its preparation and method for preparing lithium hexafluorophosphate using this solvate
07/1998
07/29/1998CN1189143A Improved process for making lithiated lithium manganese oxide spinel
07/07/1998US5776369 Alkali metal dispersions
06/1998
06/04/1998WO1998023536A1 Process for removing acids from lithium salt solutions
05/1998
05/20/1998EP0842120A1 An improved process for making a lithiated lithium manganese oxide spinel
05/20/1998EP0646546B1 METHOD OF PRODUCTION OF LiM3+O2 OR LiMn2O4 AND LiNi3+O2 AS POSITIVE POLE MATERIAL OF SECONDARY CELL
05/19/1998US5753202 Method of preparation of lithium manganese oxide spinel
05/14/1998WO1998019966A1 METHOD OF SEPARATING NaCl FROM A LiCl SOLUTION
04/1998
04/16/1998DE19645315C1 Verfahren zur Abtrennung von NaCl aus einer LiCl-Lösung Process for the separation of NaCl from a LiCl solution
04/15/1998EP0835951A1 Method and apparatus for extracting lithium by applying voltage across lithium-ion conducting solid electrolyte
04/02/1998WO1998013297A1 Method of preparing lithium salts
04/02/1998DE19632543C1 Verfahren zur Herstellung von LiPF¶6¶ A process for preparing LiPF¶6¶
02/1998
02/19/1998WO1998006666A1 LiPF6 PRODUCTION PROCESS
02/19/1998CA2259985A1 Lipf6 production process
02/04/1998CN1172072A Process for concentration of lithium salt in high-magnesian bittern by using mirabilite circulating method
01/1998
01/28/1998CN1171368A Process for synthesizing fluoric lithium salt by airflow reaction
01/21/1998EP0819647A2 Salt free lithium hydroxide base for chemical oxygen iodine lasers
01/20/1998US5711019 Method for treating electrolyte to remove Li2 O
01/15/1998CA2207471A1 Salt free lithium hydroxide base for chemical oxygen iodine lasers
01/07/1998EP0816289A1 Process for preparing lithium hexafluorophosphate
01/07/1998EP0816288A1 Preparation of lithiumhexafluorometallates
12/1997
12/24/1997WO1997048709A1 Lithium and pyridine hexafluorophosphate solvate, its preparation and method for preparing lithium hexafluorophosphate using this solvate
12/03/1997CN1166699A Preparation method of anode material LiNiO2 for high-cost performance lithium ion battery
12/03/1997CN1166698A Preparation method of anode material LiMn2O4 for high-performance lithium ion batteryh
12/02/1997US5693307 Reacting lithium manganese oxide in stoichiometric amount with lithium carboxylate compound at a temperatue and time sufficient to decompose carboxylate group and free lithium
10/1997
10/28/1997US5681477 Variations in temperature
10/28/1997CA2138862C Adsorbent production with lithium recovery
10/16/1997WO1997037934A1 Method of preparation of lithium manganese oxide spinel
10/14/1997US5676919 Gel precipitation of a lithium compound
09/1997
09/09/1997US5665220 Electrolytic magnesium production process
08/1997
08/27/1997CN1157800A Thermally-driven ion-exchange process for lithium recovery
07/1997
07/23/1997EP0785170A1 Process for the purification of a solution of lithium salts contaminated with metallic cations and use of that process in the production of lithium-exchanged zeolites
07/15/1997US5648057 Process for producing LiM3+ O2 or LiMn2 O4 and LiNi+ O2 for use in positive electrode of secondary battery
07/02/1997EP0569521B1 RECHARGEABLE BATTERY INCLUDING AN Li1+xMn2O4 CATHODE AND A CARBON ANODE
05/1997
05/15/1997DE19541558A1 Preparation of sodium-deficient lithium chloride solutions
05/13/1997US5628974 Process for treating by-products of lithium/sulfur hexafluoride
05/02/1997EP0770427A2 Thermally-driven ion-exchange process for lithium recovery
04/1997
04/22/1997US5622659 Method of preparing doped lithium fluoride thermoluminescent radiation detector
03/1997
03/26/1997EP0735983A4 Preparation of lithium hexafluorophosphate solutions
02/1997
02/27/1997WO1997006910A1 Alkali metal dispersions
02/04/1997US5599516 Recovery of lithium values from brines
01/1997
01/29/1997CN1141263A Process for recovery of lithium and other metals and salts from brines by fractional crystallization using solar energy
12/1996
12/19/1996WO1996040590A1 An improved process for making a lithiated lithium manganese oxide spinel
10/1996
10/22/1996US5567474 Process for producing alkali metal dispersions
10/17/1996DE19614503A1 Anhydrous lithium hexa:fluoro:phosphate with low chloride content
10/09/1996EP0735983A1 Preparation of lithium hexafluorophosphate solutions
07/1996
07/11/1996WO1996020825A1 Method of preparing doped lithium fluoride thermoluminescent radiation detector
05/1996
05/23/1996DE19542421A1 Selective lowering of the concn. of a species in soln.
05/08/1996CN1121900A Non-corrosive lithium bromide and its producing process
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