公开(公告)号：DE2201633A1

公开(公告)日：1973-07-19

申请号：DE2201633

申请日：1972-01-14

Applicant: DEGUSSA

Inventor： BESCHKE HELMUT ,  OFFERMANNS HERIBERT DR ,  SCHULER WILHELM-ALFONS DR

IPC: C07D295/08 ,  C07B31/00 ,  C07B45/06 ,  C07C20060101 ,  C07C67/00 ,  C07C313/00 ,  C07C319/02 ,  C07C319/14 ,  C07C321/00 ,  C07C321/14 ,  C07C323/25 ,  C07C323/52 ,  C07C323/58 ,  C07C327/20 ,  C07D209/04 ,  C07D209/08 ,  C07D233/60 ,  C07D279/24 ,  C07D295/04 ,  C07D331/02 ,  C07C149/14

Abstract: Compounds having a mercaptoethyl group are prepared by reacting an aqueous thiocyanate solution with ethylene oxide in the presence of an inert water immiscible organic solvent to form ethylene sulfide and then reacting the organic phase with a polar organic compound, preferably a secondary amine.

公开(公告)号：DE1642769A1

公开(公告)日：1972-04-13

申请号：DED0052699

申请日：1967-04-04

Applicant: DEGUSSA

Inventor： BESCHKE HELMUT ,  REINHARDT HELMUT DR ,  ACHENBACH KARL

IPC: C01B33/193 ,  C12H1/00 ,  C12H1/04

Abstract: 1,151,476. Polymer coated silica. DEUTSCHE GOLDUND SILBER-SCHEIDEANSTALT. 3 April, 1968 [4 April, 1967], No. 15975/68. Heading C1A. [Also in Divisions C3 and C6] Finely divided silica and a vinyl pyrrolidone (including alkyl analogues) polymer are coprecipitated from a silicate solution with an acid. The specified silicate solution is waterglass. The coprecipitant is used to improve the stability of beer.

公开(公告)号：CA869981A

公开(公告)日：1971-05-04

申请号：CA869981D

Applicant: DEGUSSA

Inventor： ACHENBACH KARL ,  BESCHKE HELMUT ,  REINHARDT HELMUT

公开(公告)号：DE1567459B1

公开(公告)日：1970-10-29

申请号：DE1567459

申请日：1966-06-18

Applicant: DEGUSSA

Inventor： PFLEGER HANS DR ,  FERCH HORST DR ,  BESCHKE HELMUT ,  EISENMENGER EDITH

IPC: C01B33/187 ,  B01J21/00 ,  B01J21/04 ,  B01J21/08 ,  B01J39/16 ,  B01J39/17 ,  C01B33/193 ,  C08F8/00 ,  C09C1/00 ,  C09C1/28 ,  C09C1/30 ,  C09D7/00 ,  C01B33/18

公开(公告)号：DE1445648A1

公开(公告)日：1968-12-05

申请号：DE1445648

申请日：1962-03-15

Applicant: DEGUSSA

Inventor： BESCHKE HELMUT ,  ALFONS SCHULER DR WILHELM

IPC: C07D223/26 ,  C07D53/02

公开(公告)号：DE1159464B

公开(公告)日：1963-12-19

申请号：DED0036533

申请日：1961-07-12

Applicant: DEGUSSA

Inventor： BESCHKE HELMUT ,  SCHULER DR WILHELM A

IPC: C07D417/06 ,  C07D513/04