CAS: 7488-54-2; Rubidium Sulfate

相似化合物

13126-12-0 10102-25-7 10377-48-7

专利信息

专利号:US-3819817-A
优先权日:1972-03-10
标 题:Hydrogen sulfide synthesis
发明人：VAN SLYKE W
权利人:SLYKE W VAN
摘要:A PROCESS FOR THE SYNTHESIS OF HYDROGEN SULFIDE FREE OF CARBON DIOXIDE COMPRISING THE STEPS OF REACTING A SULFUR BEARING MATERIAL SUCH AS SODIUM SULFATE OR SODIUM SULFITE WITH OXYGEN, CARBON AND STREAM UNDER REDUCING CONDITIONS IN THE PRESENCE OF HYDROGEN SULFIDE TO PRODUCE SODIUM SULFIDE. THIS SODIUM SULFIDE IS THEN REACTED WITH ACID TO LIBERATE HYDROGEN SULFIDE.

专利号:US-5688993-A
优先权日:1995-12-22
标 题 :Method for modifying catalyst performance during the gas phase synthesis of vinyl acetate
发明人：PROVINE WILLIAM DOUGLAS
权利人:DU PONT
摘要:An improved method for synthesizing vinyl acetate by the gas phase reaction of acetic acid with ethylene in the presence of oxygen. At least two catalyst modifiers are used, each causing a different level of catalyst activity. The relative mounts of the catalyst modifiers are used to fine tune the productivity of the catalyst.

专利号:US-9416021-B2
优先权日:2012-07-20
标题 :Synthesis and use of gypsum seeding material
发明人：LOGES NIKLAS; GEHRIG UWE; SCHINABECK MICHAEL; DIERSCHKE FRANK; BRÄU MICHAEL; NICOLEAU LUC
权利人:BASF CONSTRUCTION SOLUTIONS GMBH
摘要:The invention relates to a process for producing calcium sulphate dihydrate by reacting a water-soluble calcium compound with a water-soluble sulphate compound in the presence of water and a polymer containing acid groups, wherein the polymer containing acid groups comprises specific polyether groups. Additionally disclosed are calcium sulphate dihydrate producible by the process according to the invention, and the use thereof for production of gypsum plasterboard.

专利号:WO-9723442-A1
优先权日:1995-12-22
标 题:Method for modifying catalyst performance during the gas phase synthesis of vinyl acetate

专利号:CN-104411654-B
优先权日:2012-07-20
标题 :Synthesis of gypsum strengthening material and application thereof

专利号:JP-2000502347-A
优先权日:1995-12-22
标 题 :A method for modifying catalyst performance during the gas phase synthesis of vinyl acetate.