Invention Grant
- Patent Title: Purification of pyrrolidone with a boron compound
- Patent Title (中): 吡咯烷酮与硼酮化合物的纯化
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Application No.: US26332072Application Date: 1972-06-15
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Publication No.: US3806427APublication Date: 1974-04-23
- Inventor: GERVASI J , UPADHYAYA J
- Applicant: ALRAC CORP
- Assignee: Alrac Corp
- Current Assignee: Alrac Corp
- Priority: US26332072 1972-06-15
- Main IPC: C07D201/16
- IPC: C07D201/16 ; B01D3/10
Abstract:
2-PYRROLIDONE CAN BE PURIFIED THROUGH DISTILLATION FROM A MIXTURE OF IMPURE 2-PYRROLIDONE AND A BORON OXIDE DERIVATIVE.
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