公开(公告)号：DE2220665A1

公开(公告)日：1973-11-08

申请号：DE2220665

申请日：1972-04-27

Applicant: BASF AG

Inventor： DIEM HANS DR ,  MATTHIAS GUENTHER DR ,  HUSSY OSKAR DIPL-ING

IPC: C07C47/052 ,  C07C45/00 ,  C07C45/38 ,  C07C47/055 ,  C07C67/00 ,  C07C47/04

Abstract: The production of formaldehyde by oxidizing dehydrogenation of methanol in the presence of a silver catalyst using air which has been washed with a solution of an alkali metal compound in water and methanol in specific proportions. The product is a disinfectant, tanning agent, reducing agent and a starting material for the production of synthetic resins, adhesives and plastics.

公开(公告)号：DE2201865A1

公开(公告)日：1973-07-26

申请号：DE2201865

申请日：1972-01-15

Applicant: BASF AG

Inventor： MATTHIAS GUENTHER DR ,  DIEM HANS DR ,  LEHMANN GUNTER

IPC: C07C47/058 ,  C07C45/00 ,  C07C45/38 ,  C07C45/83 ,  C07C67/00 ,  C07C47/04

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.

公开(公告)号：DE1643635A1

公开(公告)日：1971-07-15

申请号：DEB0093825

申请日：1967-08-05

Applicant: BASF AG

Inventor： PETERSEN HARRO DR ,  RENNER KLAUS-CHRISTIAN DR ,  DIEM HANS DR

IPC: C07C271/06 ,  C07C