CAS: 13465-61-7; Scandium(Iii) Sulfate

专利信息

专利号:CN-107954966-A
优先权日:2017-11-02
标 题:A kind of preparation method of Sc(III) catalyzed synthesis of 2,3-disubstituted-4H-benzopyran

专利号:CN-109647465-A
优先权日:2017-10-12
标题:Catalysts for the synthesis of partial anhydrides

专利号:CN-107866252-A
优先权日:2016-09-23
标题:Catalyst for the synthesis of homoanhydride from durene

专利号:US-3804741-A
优先权日:1970-08-31
标题:Hydrocarbon conversion and hydrocracking with layered complex metal silicate and chrysotile compositions
发明人：ROBSON H
权利人:VELSICOL CHEMICAL CORP
摘要:A NEW AND IMPROVED PROCESS FOR THE PREPARATION OF LAYERED COMPLEX METAL SILICATES, ESPECIALLY CHRYSOTILES, AT LOW SEVERITY CONDITIONS. THESE CRYSTALLINE FORM OF COMPLEX METAL SILICATE, FOR SHAPE RANGING FROM THICK WALL TUBES THROUGH THIN WALL TUBES, AND THIN WALL TUBES THROUGH FLAKES, CAN BE PRODUCED, WITH HIGH SURFACE AREA, AS DESIRED, IN HYDRATED FORM, BY CONTACT OF SUITABLE SILICA AND METAL SOURCES IN A REACTION OR SYNTHESIS MIXTURE AT PH OF AT LEAST ABOUT 10, AND PREFERABLY FROM ABOUT 12 TO 14, AT MODERATE TEMPERATURES AND PRESSURES. THE PROCESS CAN PRODUCE CHRYSOTILES, SOME OF WHICH HAVE BE FOUND TO EXIST IN NATURE, OR HETERFORE SYNTHETICALLY PRODUCED, BUT CAN AS WELL PRODUCE CHRYSOLITE SPECIES WHICH DIFFER CHEMICALLY OR PHYSICALLY, OR BOTH, FROM PREVIOUSLY KNOWN SPECIES. NEW AND NOVEL FORMS OF CHRYSOTILE ARE IMPROVED IN MANY OF THEIR PHYSICAL AND CHEMICAL CHARACTERISTICS AS CONTRASTED WITH PREVIOUS SPECIES, AND ARE PARTICULARLY USEFUL DIRECTLY OR INDIRECTLY IN CONDUCTING HYDROCARBON CONVERSION REACTIONS.

专利号:US-3729429-A
优先权日:1970-08-31
标题 :Layered complex metal silicate compositions and their preparation
发明人：ROBSON H
权利人:EXXON RESEARCH ENGINEERING CO
摘要:A NEW AND IMPROVED PROCESS FOR THE PREPARATION OF LAYERED COMPLEX METAL SILICATE, ESPECIALLY CHRYSOTILES, AT LOW SEVERITY CONDITIONS. THESE CRYSTALLINE FORMS OF COMPLEX METAL SILICATE, OF SHAPE RANGING FROM THICK WALL TUBES THROUGH THIN WALL TUBES, AND THIN WALL TUBES THROUGH FLAKES, CAN BE PRODUCED, WITH HIGH SURFACE AREA, AS DESIRED, IN HYDRATED FORM, BY CONTACT OF SUITABLE SILICA AND METAL SOURCE IN A REACTION OR SYNTHESIS MIXTURE AT PH OF AT LEAST ABOUT 10, AND PREFERABLY FROM ABOUT 12 TO 14, AT MODERATE TEMPERATURES AND PRESSURES. THE PROCESS CAN PRODUCE CHRYSOTILES, SOME OF WHICH HAVE BEEN FOUND TO EXIST IN NATURE, OR HERETOFORE SNYTHETICALLY PRODUCED, BUT CAN AS WELL PRODUUCE CHRYSOTILE SPECIES WHICH DIFFER CHEMICALLY OR PHYSICALLY, OR BOTH, FROM PREVIOUSLY KNOWN SPECIES. NEW AND NOVEL FORMS OF CHRYSOTILE ARE IMPROVED IN MANY OF THEIR PHYSICAL AND CHEMICAL CHARACTERISTICS AS CONTRASTED WITH PREVIOUS SPECIES, AND ARE PARTICULARLY USEFUL DIRECTLY OR INDIRECTLY IN CONDUCTING HYDROCARBON CONVERSION REACTIONS.

专利号:CN-107954966-B
优先权日:2017-11-02
标 题:A kind of preparation method of Sc(III) catalyzed synthesis 2,3-disubstituted-4H-benzopyran