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公开(公告)号：US3824287A
公开(公告)日：1974-07-16
申请号：US19081871
申请日：1971-10-20
Applicant: BASF AG
Inventor： MATTHIAS G , PALM C , SCHULZ G
IPC: C07C233/90 , C07C103/30
CPC classification number: C07C233/90
Abstract: PRODUCTION OF N,N,N'',N''-TETRAACETYLETHYLENEDIAMINE BY REACTION OF DIACETYLETHYLENEDIAMINE WITH ACETIC ANHYDRIDE AND KETENE. THEPTODUCTS ATE STARGING MATERIALS FOR THE PRODUCTION OF TEXTILE AUXILARIES, CLEANING AGENTS AND PESTICIDES.
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公开(公告)号：US3836583A
公开(公告)日：1974-09-17
申请号：US20345271
申请日：1971-11-30
Applicant: BASF AG
Inventor： KASPER W , FEIND K , MATTHIAS G , SCHULZ G
CPC classification number: C07C45/89 , Y10S585/925
Abstract: MANUFACTURES OF KETENE BY THERMAL DISSOCIATION OF ACETIC ACID AT REDUCED PRESSURE AND IN THE PRESENCE OF CATALYST USING A PRESCRIBED RATIO OF REACTOR VOLUME TO THE INTERNAL SURFACE AREA OF THE REACTOR AND TO THE VOLUME OF ACETIC ACID FEED.
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3.发明授权Production of aqueous formaldehyde solutions of low methanol content by distillation with a binary system 失效通过用二元系统蒸馏生产低甲醇含量的水溶液甲醛解决方案
公开(公告)号：US3853719A
公开(公告)日：1974-12-10
申请号：US32220573
申请日：1973-01-09
Applicant: BASF AG
Inventor： MATTHIAS G , DIEM H , LEHMANN G
Abstract: The production of a formaldehyde solution having a low content of methanol by distilling aqueous formaldehyde solution containing methanol in the presence of a mixture of at least one alkanol of more than seven carbon atoms and at least one dialkyl ether of more than seven carbon atoms per alkyl group.
Abstract translation: 在至少一种具有7个以上碳原子的链烷醇和至少一个每个烷基碳原子数大于7个碳原子的二烷基醚的存在下，通过蒸馏含有甲醇的甲醛水溶液来生产甲醇含量低的甲醛溶液 组。
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公开(公告)号：US3723509A
公开(公告)日：1973-03-27
申请号：US3723509D
申请日：1968-12-11
Applicant: BASF AG
Inventor： MATTHIAS G , KASPER W , SCHULZ G
Abstract: Production of carboxylic esters by reaction of alcohols with ketenes in the presence of a catalyst, if desired in an inert solvent, in the presence of aluminum silicates having exchangeable cations.
Abstract translation: 如果需要，在惰性溶剂中，在具有可交换阳离子的硅酸铝的存在下，通过醇与烯酮在催化剂存在下反应制备羧酸酯。
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