公开(公告)号：US3897541A

公开(公告)日：1975-07-29

申请号：US30766372

申请日：1972-11-17

Applicant: BAYER AG

Inventor： KRICSFALUSSY ZOLTAN ,  BLOCHER KARLHEINZ ,  PAWLOWSKI JURI ,  SCHERHAG BERNHARD ,  WEILER RAOUL

IPC: B01J21/00 ,  C01C3/00 ,  C01B21/18

CPC classification number: C01C3/004

Abstract: Pure cyanogen chloride free of water and cyanuric chloride is prepared by reacting gaseous hydrocyanic acid and chlorine gas in the presence of an active carbon catalyst at temperatures of from 500*C to 700*C to form cyanogen chloride and hydrogen chloride and thereafter recovering the pure cyanogen chloride. The active carbon has a specific surface of from about 800 to 1,100 m2/g and the residence time of the reaction gas is between about 0.02 and 2.0 seconds.

Abstract translation: 通过在活性炭催化剂存在下，在500-700℃的温度下使气体氢氰酸和氯气反应制备纯水和氰尿酰氯，形成氯化氰和氯化氢，然后回收纯的 氯化氰 活性炭的比表面积为约800〜1100m 2 / g，反应气体的停留时间为约0.02〜2.0秒。

公开(公告)号：US3655519A

公开(公告)日：1972-04-11

申请号：US3655519D

申请日：1969-01-31

Applicant: BAYER AG ,  ERDOELCHEMIE GMBH

Inventor： SCHERHAG BERNHARD ,  HAUSWEILER ARNOLD

IPC: C01C3/02 ,  B01D3/34

CPC classification number: C01C3/0295

Abstract: Purification of hydrocyanic acid such as obtained from ammoxidation by reacting the crude product containing aliphatic and/or isocyclic unsaturated hydrocarbons and/or heterocyclic compounds with a hydrohalic acid or an oxyacid of sulfur or phosphorus, preferably in concentrated form, and thereafter separating the reaction products from the hydrocyanic acid, such as by distillation or adsorption, and recovering substantially pure hydrocyanic acid.

Abstract translation: 通过将含有脂族和/或环状不饱和烃和/或杂环化合物的粗产物与硫酸或磷的氢卤酸或含氧酸反应，优选浓缩形式，然后将反应产物分离，从氨氧化得到的氢氰酸的纯化 例如通过蒸馏或吸附从氢氰酸中回收基本上纯的氢氰酸。

公开(公告)号：US3433822A

公开(公告)日：1969-03-18

申请号：US3433822D

申请日：1965-08-04

Applicant: BAYER AG

Inventor： HAUSWEILER ARNOLD ,  SCHERHAG BERNHARD

IPC: C07C121/02 ,  C07C121/32

CPC classification number: C07C253/34 ,  C07C255/08

公开(公告)号：US3686194A

公开(公告)日：1972-08-22

申请号：US3686194D

申请日：1969-06-27

Applicant: BAYER AG

Inventor： HAGEDORN FERDINAND ,  WEDEMEYER KARLFRIED ,  SCHERHAG BERNHARD ,  HAUSWEILER ARNOLD

IPC: C07D213/84 ,  F16C35/04 ,  C07D31/46

CPC classification number: C07D213/84 ,  C07D213/85

Abstract: CYANOPYRIDINES ARE PREPARED BY THE VAPOR PHASE REACTION OF AN ALKYL PYRIDINE, OXYGEN AND AMMONIA IN THE PRESENCE OF A TIN PHOSPHATE CATALYST ACTIVATED WITH COMPOUND OF MOLYBDENUM, BISMUTH, VANADIUM, IRON OR COBALT.

公开(公告)号：US3428666A

公开(公告)日：1969-02-18

申请号：US3428666D

申请日：1966-02-16

Applicant: BAYER AG

Inventor： SCHNEIDER PAUL ,  SCHERHAG BERNHARD

IPC: C08F2/38 ,  C08L33/20 ,  C07C121/66 ,  C07C121/28

CPC classification number: C08F2/38 ,  C07C253/32 ,  C07C255/08