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1.发明授权2,2{40 ,4,4{40 -tetrachloro-5,5{40 -diamino-diphenyl ether 失效2,2 {40,4,4 {40-TETRACHLORO-5,5 {40-DIAMINO-DIPHENYL ETHER
公开(公告)号：US3673123A
公开(公告)日：1972-06-27
申请号：US3673123D
申请日：1970-02-27
Applicant: BAYER AG
Inventor： TACKE PETER , BINSACK RUDOLF , WEISSEL OSKAR
Abstract: The 2,2'',4,4''-tetrachloro-5,5''-diamino-diphenyl ether which is useful as starting material for the production of polyamides and polyurethanes and which may be obtained by the reduction of the corresponding dinitro compound.
Abstract translation: 2,2'，4,4'-四氯-5,5'-二氨基二苯基醚，可用作生产聚酰胺和聚氨酯的原料，可通过还原相应的二硝基化合物而得到。
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2.发明授权Catalyst for manufacturing highly purified 2-hydroxy-diphenyl catalyst and method of preparing catalyst 失效用于制造高纯度2-羟基 - 二苯基催化剂的催化剂和制备催化剂的方法
公开(公告)号：US3923695A
公开(公告)日：1975-12-02
申请号：US44215674
申请日：1974-02-13
Applicant: BAYER AG
Inventor： WEISSEL OSKAR , METTEN JOSEF , SCHWARZ HANS HELMUT , KOLLER HORST , TACKE PETER
CPC classification number: B01J23/868 , C07C37/07 , C07C37/685 , C07C37/74 , C07C37/84 , C07C39/15
Abstract: Manufacture of highly-purfied 2-hydroxydiphenyl, wherein compounds or compound mixtures, which consist of wholly and/or partially hydrogenated 2-hydroxydiphenyl, are dehydrogenated in the vapour phase with the use of dehydrogenation catalysts containing the elements nickel, chromium, aluminium, copper and alkali metal sulphate and/or alkali metal carbonate, and wherein the resulting product mixture thus obtained is subjected to fractional distillation and the distillation residue is subsequently crystallised.
Abstract translation: 其中由全部和/或部分氢化的2-羟基二苯组成的高度纯化的2-羟基二苯的制备在气相中脱氢，使用含有元素镍，铬，铝，铜的脱氢催化剂 和碱金属硫酸盐和/或碱金属碳酸盐，并且其中将由此获得的所得产物混合物进行分馏，随后使蒸馏残余物结晶。
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3.发明授权Process for the production of substituted pyrazolones and of monomethine dyestuffs thereof 失效生产取代的吡唑啉酮及其单体脱水剂的方法
公开(公告)号：US3441563A
公开(公告)日：1969-04-29
申请号：US3441563D
申请日：1965-01-05
Applicant: BAYER AG
Inventor： WEISSEL OSKAR , RAUE RODERICH , PSAAR HUBERTUS
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