Invention Grant
- Patent Title: Process for conditioning waste sulfuric acid
- Patent Title (中): 废硫酸处理工艺
-
Application No.: US924037Application Date: 1992-10-23
-
Publication No.: US5308600APublication Date: 1994-05-03
- Inventor: Helmold von Plessen , Wolfram Fritsche-Lang , Horst Lorke
- Applicant: Helmold von Plessen , Wolfram Fritsche-Lang , Horst Lorke
- Applicant Address: DEX Frankfurt am Main
- Assignee: Hoechst Aktiengesellschaft
- Current Assignee: Hoechst Aktiengesellschaft
- Current Assignee Address: DEX Frankfurt am Main
- Priority: DEX4006665 19900303
- Main IPC: C01B17/90
- IPC: C01B17/90 ; C01B17/94 ; C07C201/08
Abstract:
Process for conditioning waste sulfuric acid which is prone to precipitation of tars or resins, which comprises adding emulsifiers, preferably long-chain polyethers, to the waste sulfuric acid.
Public/Granted literature
- US6007532A Method and apparatus for detecting loss of contact of biomedical electrodes with patient skin Public/Granted day:1999-12-28
Information query
