公开(公告)号：US3786081A

公开(公告)日：1974-01-15

申请号：US3786081D

申请日：1971-12-03

Applicant: BASF AG

Inventor： OPPENLAENDER K ,  LIEBOLD G ,  BUETTNER E

IPC: B01D17/05 ,  C08G18/48 ,  C10G33/04 ,  C07C125/06

CPC classification number: C08G18/4841 ,  C10G33/04

Abstract: POLYOXYALKYLATED DERIVATIVES OF CARBAMIC ACIDS FOR USE AS QUICK-ACTING COLD DEMULSIFIERS FOR WATER-IN-OIL EMULSIONS.

公开(公告)号：US3730906A

公开(公告)日：1973-05-01

申请号：US3730906D

申请日：1971-03-15

Applicant: BASF AG

Inventor： OPPENLAENDER K ,  LIEBOLD G ,  BUETTNER E

IPC: C10G33/04 ,  B01D17/04

CPC classification number: C10G33/04

Abstract: CRUDE OIL DEMULSIFIERS BASED ON ESTERIFICATION PRODUCTS OF ROSIN WITH OXYALKYLATED ALKYLPHENOL/FORMALDEHYDE RESINS AND THEIR USE OF BREAKING CRUDE OIL EMULSIONS AT AMBIENT TEMPERATURES.