Invention Grant
- Patent Title: Purification of crude sulfonic acids
- Patent Title (中): 粗制磺酸的纯化
-
Application No.: US33385773Application Date: 1973-02-26
-
Publication No.: US3927081APublication Date: 1975-12-16
- Inventor: THOMAS JR SAMUEL CHARLES , CEASE VINCENT JAY
- Applicant: CONTINENTAL OIL CO
- Assignee: ConocoPhillips Holding Co
- Current Assignee: ConocoPhillips Holding Co
- Priority: US33385773 1973-02-26
- Main IPC: C07C309/01
- IPC: C07C309/01 ; C07C67/00 ; C07C301/00 ; C07C303/42 ; C07C303/44 ; C07C143/24
Abstract:
A method of purifying crude, oil-soluble sulfonic acids is disclosed, wherein the method comprises contacting a volatile hydrocarbon solution of crude, oil-soluble sulfonic acids with 2methoxyethanol or a mixture of water and 2-methoxyethanol. Primarily, the term ''''purifying'''' means removal of sulfuric acid and sulfur oxides.
Information query
