Patents for C01B 7 - Halogens; Halogen acids (5,959) |
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06/28/1995 | EP0568670A4 Regeneration of hydrochloric acid. |
06/27/1995 | US5427757 Wet processing, separation, recovering |
06/27/1995 | US5426944 Expanding electronic semiconductor grade chemical through an orifice in a condenser; withdrawing portion of vapor phase; concentrating impurities in liquid phase |
06/24/1995 | CA2114388A1 Method for cooling gases containing naf and hf |
06/22/1995 | WO1995016740A1 Hydrogen fluoride composition |
06/20/1995 | US5426254 Process for the separation of hydrogen fluoride from its mixtures with 1,1,1-trifluoro-2-chloroethane |
06/18/1995 | CA2137314A1 Process and facility for the purification of an aqueous alcaline metal chloride solution |
06/07/1995 | EP0500728B1 Efficient production of chlorine from hydrogen chloride |
06/06/1995 | US5421964 Process for separating HCl and halocarbons |
06/06/1995 | CA2021315C Plasma removal of unwanted material |
05/31/1995 | EP0655083A1 Municipal solid waste disposal process |
05/24/1995 | CN1102850A Isoparaffin-olefin alkylation |
05/23/1995 | US5417955 Mixing with sulfuric acid to produce ferrous sulfate; oxidation |
05/16/1995 | US5415803 Elemental bromine, urea, water |
05/09/1995 | US5413682 Recovering ammonium fluoride from solution with ammonium hydroxide by electrolysis |
05/03/1995 | EP0650506A1 Process for the thermal recycling of waste pvc with the recovery of heat and anhydrous hydrogen chloride. |
05/03/1995 | CN1028322C Process for separating 1,1,1,2-tetrafluoroethane |
05/02/1995 | US5411726 Process for purifying hydrogen fluoride |
04/26/1995 | EP0649385A1 System for energy storage, hydrogen production and the manufacture of methanol for abating of greenhouse gases |
04/26/1995 | EP0649337A1 Desulphurisation of waste gases. |
04/13/1995 | DE4334212A1 Process for the recovery of valuable materials in the work-up of polyvinyl chloride |
04/12/1995 | EP0458990B1 Method of concentrating chlorine gas |
04/11/1995 | US5405535 Method of removing metal impurity |
03/28/1995 | US5401876 Synthesis of chloroacetic acids |
03/28/1995 | US5401820 Olefin polymers prepared by polymerization with treated alumina supported chromium |
03/28/1995 | US5401430 Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane |
03/23/1995 | WO1995007752A1 Electrodialytic conversion of complexes and salts of metal cations |
03/22/1995 | EP0474763B1 Recovery of chlorine from hydrogen chloride by carrier catalyst process |
03/15/1995 | EP0634953A4 Gas phase degradation of organic compounds. |
03/15/1995 | CN1100152A Process for purifying hydrogen fluoride |
03/09/1995 | WO1995006775A1 Minimum adverse environmental impact pulp mill |
03/09/1995 | CA2170594A1 Minimum adverse environmental impact pulp mill |
03/02/1995 | WO1995006021A1 Organic separation from hf |
03/02/1995 | WO1995006016A1 Isoparaffin-olefin alkylation |
03/01/1995 | EP0640368A1 Chemical purification for semiconductor processing by partial condensation |
02/22/1995 | EP0639112A1 Hcl adsorbent and method for making and using same |
02/22/1995 | EP0635072A4 Electrolytic cell assembly and process for production of bromine. |
02/21/1995 | US5391363 Continuous purification of an off-gas composed of CO2 +HCl+COCl2 |
02/14/1995 | US5389384 Solution of halogen containing compound with stabilizer which supresses dissociation |
02/08/1995 | CN1098382A Method for preparation of hydrocarbon calcium carbonate by acid decomposition reclaiming circulation |
02/07/1995 | USH1417 Process for removing halogen gases from a gas stream containing carbon dioxide |
02/07/1995 | US5387350 Method and apparatus for treating and disinfecting infectious wastes |
01/31/1995 | US5386076 Regeneration of HF-based alkylation catalyst |
01/25/1995 | EP0635586A1 Process for regenerating hydrochloric acid from pickling installations |
01/25/1995 | EP0635072A1 Electrolytic cell assembly and process for production of bromine |
01/25/1995 | EP0634953A1 Gas phase degradation of organic compounds |
01/24/1995 | CA1334049C Silicopyrohydrolysis treatment process for used brasques from haal-heroult electrolysis vessels |
01/17/1995 | US5382746 Removal of light ASO in HF alkylation process |
01/17/1995 | US5382724 Low temperature solvent extraction using hydrofluoric acid |
01/11/1995 | CN1097178A Method for preparation of potassium sulfate by the liquid phase convertion of potassium chloride and sulfuric acid |
01/05/1995 | WO1995000438A1 Method for separating chlorine from a mixture of gases |
01/05/1995 | DE4320865A1 Process and apparatus for purifying hydrochloric acid contaminated by halogens such as bromine and iodine |
01/04/1995 | CN1027313C Industrial process for separation recovery of chlorine |
01/03/1995 | US5378324 Process and an electrolytic cell for the production of fluorine |
12/27/1994 | US5376164 Pressure swing adsorption process for chlorine plant offgas |
12/21/1994 | CN1027061C Extractive distillation |
12/14/1994 | EP0532677B1 Process for the production of elementary iodine |
12/07/1994 | EP0626885A1 CeBr 3? CATALYST AND PROCESS FOR PRODUCING BROMINE |
12/07/1994 | CN1096007A Method and apparatus for preparation of hydrochloric aid from methane thermal chlorination reactants |
11/30/1994 | EP0625957A1 Acid regeneration |
11/30/1994 | EP0444190B1 Gas separation by semi-permeable membranes |
11/30/1994 | CN1095688A Method for prodn. of sodium silicate |
11/30/1994 | CN1026774C Concentration of chlorine |
11/22/1994 | US5366949 CeBr3 catalyst |
11/10/1994 | WO1994025419A1 AZEOTROPIC AND AZEOTROPE-LIKE COMPOSITIONS AND A PROCESS FOR SEPARATING HCl AND HALOCARBONS |
11/08/1994 | US5363396 Halogen generator |
11/08/1994 | US5362469 Preparation of ultrapure hydrogen fluoride |
10/27/1994 | WO1994024499A1 Treatment of effluent gases for pollution removal |
10/26/1994 | CN1094015A Generator for chlorine-containing disinfecting agent |
10/18/1994 | US5356611 Anionic and cationiuc exchanging |
10/13/1994 | WO1994022797A1 Azeotropic mixture composed of pentafluoroethane and hydrogen fluoride and process for producing pentafluoroethane |
10/13/1994 | WO1994022796A1 Azeotropic mixture composed of 1,1-difluoroethane and hydrogen fluoride and process for producing 1,1-difluoroethane |
10/12/1994 | EP0619268A1 Process and installation for the production of hydrogen chloride from chlorine containing waste |
10/11/1994 | US5354931 Process for hydrotreating an organic feedstock containing oxygen compounds and a halogen component |
10/05/1994 | EP0618170A1 Process for producing reagent grade hydrochloric acid from the manufacture of organic isocyanates |
10/05/1994 | EP0617696A1 Process for purifying hydrogen fluoride. |
10/04/1994 | US5352420 Process for the purification of waste gas having a high chloride content |
09/28/1994 | CN1092740A Process for preparing high concentration hydrochloric acid reagent |
09/22/1994 | DE4336404A1 Process for producing chlorine from hydrogen chloride |
09/20/1994 | US5348722 Adsorption with silicon granules coated with gold or silver |
09/15/1994 | WO1994020675A1 Zero discharge mill distillation, salt recovery, and water management |
09/15/1994 | WO1994020412A1 Hydrogen fluoride recovery process |
09/15/1994 | WO1994020411A1 Process for removal of iodine from a gaseous stream |
09/15/1994 | CA2157472A1 Hydrogen fluoride recovery process |
09/15/1994 | CA2155439A1 Zero discharge mill distillation, salt recovery, and water management |
09/13/1994 | US5346684 Recovery of anhydrous hydrogen fluoride from depleted uranium hexafluoride |
09/07/1994 | EP0447448B1 Method for purification of acids from materials comprising acid and salt |
09/01/1994 | WO1994019299A1 Improved process for manufacture of fluoroaromatics |
09/01/1994 | WO1994019090A1 Gas phase degradation of organic compounds |
09/01/1994 | DE4305964A1 Process for the multi-stage thermal treatment of composite material for the purpose of utilisation of materials and energy with low emission and low residues (recycling) |
08/18/1994 | WO1994018119A1 Method for scrubbing pollutants from an exhaust gas stream |
08/17/1994 | EP0610749A1 Process for purifying hydrogen fluoride |
08/17/1994 | EP0610748A1 Process for purifying hydrogen fluoride |
08/11/1994 | CA2115135A1 Process for purifying hydrogen fluoride |
08/11/1994 | CA2115120A1 Process for purifying hydrogen fluoride |
08/09/1994 | US5336832 Recovery of HF from hydrocarbon streams |
08/04/1994 | WO1994016988A1 Hydrogen chloride purfication process |
07/27/1994 | EP0608087A2 Dehydration of fluoride mixtures |
07/27/1994 | CN1089918A System for recovering after heat of reaction heat of hydrochloric acid synthesis furnace |
07/20/1994 | EP0606482A1 Method of removing hydrogen fluoride |