| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
|---|
| 08/30/1977 | US4045205 Method for the manufacture of soil modifiers from waste material of the manufacture of titanium dioxide |
| 08/23/1977 | US4044114 Process for purifying a gas containing sulfur compounds |
| 08/23/1977 | US4043822 Treatment of water-soluble metal sulfate residues |
| 08/23/1977 | US4043717 Sulphur granulator |
| 08/16/1977 | US4042675 Process for treating the mother liquor by pH adjusting in the production of anhydrous sodium dithionite |
| 08/16/1977 | US4042674 Process for treating the mother liquor by cooling in the production of anhydrous sodium dithionite |
| 08/16/1977 | US4042668 SO2 removal process |
| 08/16/1977 | US4042340 Apparatus for using reheat gas in sulfur recovery systems |
| 08/09/1977 | US4041142 Method for removing sulfur oxide from waste gases and recovering elemental sulfur |
| 08/09/1977 | US4041141 Production of elemental sulphur |
| 08/09/1977 | US4041131 Removing sulfur oxides, absorption |
| 08/09/1977 | US4041015 Linear metal polysulfides |
| 08/09/1977 | US4040853 Ground coke and calcium sulfate |
| 08/02/1977 | US4039650 Catalytic |
| 08/02/1977 | US4039649 Process for removing sulfur from waste waters containing sulfuric acid |
| 08/02/1977 | US4039646 Process for preparing sulphur hexafluoride |
| 08/02/1977 | US4039621 Catalysis |
| 08/02/1977 | US4039613 Process for production of hydrogen and sulfur from hydrogen sulfide as raw material |
| 08/02/1977 | US4039478 Flue gas desulfurization sorbent |
| 08/02/1977 | US4039289 Sulphur-burning and gaseous products absorption system and components therefor |
| 07/26/1977 | US4038366 Method for removing hydrogen sulfide |
| 07/26/1977 | US4038361 Recovery of nitric acid soluble transition metals from sulfur and iron containing ores of the same |
| 07/26/1977 | US4038036 Claus process |
| 07/19/1977 | US4036942 Process for the removal of hydrogen sulfide and mercaptans from liquid and gaseous streams |
| 07/12/1977 | US4035474 CBA for Claus tail gas cleanup |
| 07/12/1977 | US4035158 Process and apparatus for burning hydrogen sulfide and other combustible fluid to recover sulfur |
| 07/05/1977 | US4033899 Alkylation fluosulfonic-sulfuric acid catalyst recovery process with silica-alumina removal of fluoride compounds |
| 06/28/1977 | US4032618 Cobalt molybdenum sulfide catalyst |
| 06/28/1977 | US4032469 Pelleted sulfur compositions |
| 06/21/1977 | US4031195 Regenerative method removal of sulfur dioxide from stack gases |
| 06/14/1977 | US4029753 Claus process, heat exchange with steam |
| 06/14/1977 | US4029752 Using ammonia as reducing agent |
| 06/14/1977 | US4029751 Process for producing sulfuric acid |
| 06/14/1977 | US4029745 Process for reducing molten ammonium sulfates containing metallic impurities to ammonia and sulfur dioxide |
| 06/14/1977 | US4029744 Process for removing the salt of a weak acid and a weak base from solution |
| 06/07/1977 | US4027656 Sulphur melting apparatus and method |
| 05/31/1977 | US4027002 Hydrogen sulphide removal process |
| 05/31/1977 | US4027001 Process for recovering sulfur from sulfur dioxide |
| 05/17/1977 | US4024229 Production of polysulfide with PTFE coated catalyst |
| 05/17/1977 | US4024210 Sulfur pelletizing |
| 05/17/1977 | US4024191 Benzene, thiophenol |
| 05/17/1977 | US4023939 Method and arrangement for purifying gases |
| 05/17/1977 | US4023938 Process for dehydrating gas with sulfuric acid |
| 05/10/1977 | US4022872 Process for preparing finely-divided refractory powders |
| 05/10/1977 | US4022870 Catalytic process for removing sulfur dioxide from gas streams |
| 05/10/1977 | US4022857 Production of foamed sulfur compositions |
| 05/03/1977 | US4021201 Control system for sulfur process |
| 04/19/1977 | US4018721 Cross-linked, water insoluble poly(N-glycidyl-piperazine) |
| 04/12/1977 | US4017594 Reducing the consumption of anthraquinone disulfonate in Stretford solutions using thiocyanate ion precursors |
| 04/12/1977 | US4017593 Reaction of sulfur dioxide with sodium formate and sodium hydroxide |
| 04/12/1977 | US4017586 Gravity flow through pebbles treated with catalyst |
| 04/12/1977 | US4017425 Method of activation of red mud |
| 04/05/1977 | US4016248 Sulfur dioxide, sulfur trioxide |
| 03/29/1977 | US4014983 Removal of hydrogen sulfide from gases |
| 03/29/1977 | US4014982 Combined process for upgrading spent alkylation acid and reducing noxious gas content of waste gaseous streams |
| 03/29/1977 | US4014981 Removal of sulfur from stack gases |
| 03/29/1977 | US4014735 Concentration and separation of corrosive liquid mixtures |
| 03/22/1977 | US4013779 Process for removal of ammonia, hydrogen sulfide and hydrogen cyanide from gases containing these substances |
| 03/15/1977 | US4012488 Process for the treatment of sulfur and nitrogen oxides formed during power generation |
| 03/15/1977 | US4012487 Continuous processing, sulfur dioxide |
| 03/08/1977 | US4011304 Method for controlling removal of hydrogen sulfide from gases |
| 03/08/1977 | US4011179 Continuous sulfur foam preparation using polyisocyanates |
| 03/01/1977 | USRE29145 Catalyst for sulfuric acid contact process |
| 03/01/1977 | US4010246 Process for preparing sulfur dioxide |
| 03/01/1977 | US4010240 Process for the regeneration of sulfuric acid |
| 03/01/1977 | US4010239 Hematite reduced to magnetite, low temperature oxidation |
| 02/22/1977 | US4009250 Contact method of producing sulphuric acid |
| 02/15/1977 | US4008316 Sulfur dioxide |
| 02/15/1977 | US4008310 Regenerative sulfur dioxide scrubbing system |
| 02/15/1977 | US4008274 Antifouling |
| 02/15/1977 | US4008174 Process for regenerating a solid copper-chromium reactant used in the removal of hydrogen sulfide from hydrogen recycle gas |
| 02/15/1977 | US4008169 Preparation of iron oxide sorbent for sulfur oxides |
| 02/01/1977 | US4006080 Process for the treatment of acidic waste liquid containing dissolved salts |
| 01/18/1977 | US4003987 Oxidation of flue gas; entrainment with carbon monoxide and sulfuric acid |
| 01/18/1977 | US4003986 Process for producing sulfur from sulfur dioxide or ammonium sulfites |
| 01/18/1977 | US4003985 Production of sodium sulfite |
| 01/18/1977 | US4003984 Production of sulfuryl fluoride |
| 01/18/1977 | US4003848 With a poly-n-glycidyl piperazine |
| 01/18/1977 | US4003816 Sulfurless electrolytic concentration of aqueous sulfuric acid solutions |
| 01/11/1977 | US4002728 Hydrogen sulfide removal from contaminated sulfur |
| 01/11/1977 | US4002727 Desulfurization process for hydrogen sulfide-containing gases |
| 01/04/1977 | US4001386 Hydrogen sulfide |
| 01/04/1977 | US4001385 From sodium sulfide containing pulping liquor |
| 01/04/1977 | US4001383 Impure sulfuric acid treatment process |
| 01/04/1977 | US4001376 Using an alumina base, refractory oxides and an active material such as copper oxide |
| 01/04/1977 | US4001375 Cerium oxide sorbent |
| 12/21/1976 | US3998660 Mixing with sulfuryl chloride |
| 12/14/1976 | US3997655 Process for catalytically reacting gases having a high SO2 content |
| 12/14/1976 | US3997652 Of hydrogen fluoride, sodium fluoride absorbent |
| 11/30/1976 | US3995015 Process for making sodium metabisulfite |
| 11/30/1976 | US3995012 Process of producing hydrogen and oxygen from H2 O in a thermochemical cycle |
| 11/30/1976 | US3994706 Liquefaction |
| 11/23/1976 | US3993429 Gas conditioning means |
| 11/16/1976 | US3992509 Production of disulfur dichloride |
| 11/16/1976 | US3992498 Refractory fiber preparation with use of high humidity atmosphere |
| 11/16/1976 | US3992247 Desalting |
| 11/09/1976 | US3991162 Absorption system |
| 11/09/1976 | US3991047 Process for preparing lactams |
| 11/02/1976 | US3989811 Process for recovering sulfur from fuel gases containing hydrogen sulfide, carbon dioxide, and carbonyl sulfide |
| 11/02/1976 | US3989810 With oxidative lignins |