Patents
Patents for C01B 11 - Oxides or oxyacids of halogens; Salts thereof (3,284)
12/1990
12/18/1990US4978517 Reaction of akali metal chlorate, methanol, mineral acid
12/05/1990CN1047482A 改进的次氯酸钙产品 Improved calcium hypochlorite products
11/1990
11/28/1990EP0399746A1 Use of chlorites as oxidants in hair coloring
11/28/1990CN1047265A Apparatus for fast dissolving granular product
11/19/1990WO1990014306A1 Improved calcium hypochlorite product
11/19/1990WO1990014155A1 Salt handling apparatus for a hypochlorous acid reactor
11/19/1990WO1990014143A1 Improved apparatus for producing a fast dissolving granular product
11/19/1990CA2053848A1 Method of removing solid salt by-product from gaseous hypohalogenated a cid product
11/15/1990WO1990013514A1 Gaseous generator system for preparing chlorine dioxide
11/13/1990US4970020 Calcium hypochlorite composition
11/13/1990CA1276144C Method for oxidation
11/06/1990US4968501 Use of chlorous acid for removing sulfur dioxide from combustion gases
10/1990
10/23/1990US4965016 Granular calcuim hypochlorite composition and process for preparation thereof
10/17/1990CN1046139A Salt hangling apparatus for hypochlorous acid reactor
10/09/1990US4961918 Process for production of chlorine dioxide
10/09/1990US4961872 Calcium hypochlorite tablets
09/1990
09/11/1990CA1273776A1 Calcium hypochlorite composition and process for preparation thereof
09/07/1990WO1990009957A1 Process for the continuous recovery of hydrogen fluoride gas
09/05/1990CN1045080A Process for destroying hypochlorites in solution of perchlorate
08/1990
08/29/1990EP0384861A1 Process for destroying hypochlorites in a perchlorate solution
08/29/1990EP0384860A1 Process for destroying hypochlorites in a chlorate solution
08/22/1990CN1044830A Production of chloric acid
08/22/1990CA2010429A1 Process for removing hypochlorites in a perchlorate solution
08/22/1990CA2010428A1 Process for removing hypochlorites in a chlorate solution
07/1990
07/28/1990WO1990008558A1 Stabilized sterilizing or disinfecting halogen containing composition, method and apparatus
07/28/1990CA2045687A1 Stabilized sterilizing or disinfecting halogen containing composition, method and apparatus
07/12/1990WO1990007370A1 Salt handling apparatus for a hypochlorous acid reactor
07/05/1990CA2007034A1 Salt handling apparatus for a hypochlorous acid reactor
07/03/1990US4938944 Method of and reactor for producing chlorine dioxide
07/03/1990US4938943 Process for production of chlorine dioxide
06/1990
06/13/1990EP0372416A1 Process for the stabilisation of chloramines or salts of hypochloric acid
06/13/1990EP0372415A1 Process for the stabilisation of chloramines or salts of hypochloric acid
06/05/1990US4931268 Production of chlorine dioxide
06/03/1990CA2004422A1 Process for the stabilization of chloramines or salts of hypochlorous acid
06/03/1990CA2004421A1 Process for the stabilization of chloramines or salts of hypochlorous acid
05/1990
05/31/1990WO1990005698A1 Procedure for production of chlorine dioxide
05/29/1990US4929434 Reduction of alkali chlorates, oxygen containing organic compound
05/24/1990CA2003416A1 Procedure for the production of chlorine dioxide
05/17/1990WO1990005112A1 Quicklime hydration using calcium hypochlorite mother liquor
05/17/1990WO1990005111A1 Improved hypochlorous acid process
05/15/1990US4925645 From sodium chlorite and citric or lactic acid
05/15/1990CA1269084A1 Rapidly dissolving calcium hypochlorite particles
05/02/1990EP0366636A1 A process for the production of chlorine dioxide
05/02/1990EP0366230A1 Basic aluminium antiperspirant active material, compositions including the material, and methods for preparation thereof
04/1990
04/30/1990CA2001881A1 Hypochlorous acid process
04/30/1990CA2001361A1 Gas injector for hypochlorous acid reactor
04/25/1990EP0365501A1 Process for production of chlorine dioxide
04/25/1990EP0365113A1 Production of chloric acid
04/10/1990US4915927 Electrolysis-electrodialysis in multi compartment cell of aqueous chlorate solution
04/04/1990EP0360794A1 Method of preparing a mixture of chlorine containing substances including chlorine dioxide.
03/1990
03/07/1990EP0357198A1 Production of chlorine dioxide
03/07/1990CN1040182A Production of chlorine dioxide
02/1990
02/28/1990CN1040007A Method for the preparation of bleaching powder from calcium carbide dregs
02/27/1990US4904461 Safe production of chlorine dioxide in a pressurized gaseous state
02/22/1990WO1990001457A1 Process of preparing chlorine dioxide and apparatus therefor
02/07/1990EP0353367A1 Combined process for production of chlorine dioxide and sodium hydroxide
01/1990
01/17/1990EP0350556A2 Continuous process for the manufacture of a hypochlorite bleaching composition
01/09/1990US4892625 Method for producing high purity chemicals
12/1989
12/20/1989EP0347320A1 Manufacturing method of aqueous stabilized chlorine dioxide solution
12/13/1989EP0345966A2 Compositions containing chlorine dioxide and their preparation
12/13/1989EP0345863A1 Process and reactor for producing chlorine dioxide from alkali metal chlorate
12/12/1989US4886653 Process and apparatus for producing an aqueous solution containing chlorine dioxide and chlorine
12/05/1989CA1263516A1 Process for production of chlorine dioxide
10/1989
10/31/1989US4877500 Process for the production of chlorine dioxide
10/25/1989EP0338147A1 Continuous reaction of gases with liquids
10/19/1989WO1989009746A1 Calcium hypochlorite composition
10/17/1989US4874489 Ultraviolet radiation on chlorite
09/1989
09/26/1989CA1261587A1 Acid introduction in chlorine dioxide poduction
09/13/1989CN1035477A Method for producing chlorine dioxide by acidifying chlorous sodium
09/12/1989US4865760 Calcium hypochlorite composition
09/05/1989US4863709 Extrusion, rolling, cutting
08/1989
08/29/1989US4861514 Compositions containing chlorine dioxide and their preparation
08/15/1989US4857292 Stoichiometrically deficient sodium hypochlorite added to calcium chloride; precipitation and separation of sodium chloride
08/08/1989US4854982 Method to dimilitarize extract, and recover ammonium perchlorate from composite propellants using liquid ammonia
07/1989
07/25/1989US4851198 Reactor for producing chlorine dioxide
07/18/1989US4849201 Process for preparing chlorinated lime
07/18/1989CA1257560A1 Electrochemical removal of hypochlorites from chlorate cell liquors
06/1989
06/27/1989US4842841 Dibasic calcium hypochlorite coarse crystals
06/13/1989US4839152 Process for producing an aqueous solution containing chlorine dioxide and chlorine
05/1989
05/30/1989US4834848 Electrical removal of chromium from chlorate solutions
05/23/1989CA1254366A1 Sulfate removal from alkali metal chlorate solutions
05/10/1989EP0315203A2 Granular calcium hypochlorite composition and process for preparation thereof
04/1989
04/20/1989WO1989003179A1 Chlorine dioxide germicidal composition
04/18/1989CA1252753A1 Selective removal of chlorine from solutions of chlorine dioxide and chlorine
04/11/1989CA1252414A1 Electrolysis of alkali metal chloride solution
03/1989
03/29/1989CN1031945A Stripping and recovery of dichromate in electrolytic chromate system
03/22/1989EP0308175A1 Stripping and recovery of dichromate in electrolytic chlorate systems
02/1989
02/28/1989CA1250404A1 Membrane pervaporation process
02/22/1989CN1031262A Prodn. process of sodium perchlorate
02/21/1989US4806215 Electrolytic cells, ion exchange membranes
02/14/1989US4804528 Stripping and recovery of dichromate in electrolytic chlorate systems
01/1989
01/31/1989US4801353 Use of chlorous acid for bleaching wood pulp
01/26/1989DE3723799A1 Apparatus for generating chlorine dioxide
01/17/1989US4798715 Producing chlorine dioxide from chlorate salt
12/1988
12/21/1988EP0295747A2 Apparatus for producing chlorine dioxide from alkalichlorate and acide
11/1988
11/30/1988EP0293151A1 Electrolytic production of chlorine dioxide
11/29/1988CA1245436A1 Method of storing a solid chlorinating agent
11/23/1988EP0292314A2 Process for encapsulating particles using polymer latex
11/17/1988WO1988008823A1 Method of preparing a mixture of chlorine containing substances including chlorine dioxide
10/1988
10/25/1988US4780304 Using air atomized sulfuric acid
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