Invention Grant
- Patent Title: Heterogeneous process for preparing vanadium phosphorus oxygen containing catalyst composition
- Patent Title (中): 制备含钒磷氧化催化剂组合物的非均相工艺
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Application No.: US381206Application Date: 1982-05-24
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Publication No.: US4435521APublication Date: 1984-03-06
- Inventor: Tai-Cheng Yang , Krishna K. Rao , I-der Huang
- Applicant: Tai-Cheng Yang , Krishna K. Rao , I-der Huang
- Applicant Address: NJ Florham Park
- Assignee: Exxon Research & Engineering Co.
- Current Assignee: Exxon Research & Engineering Co.
- Current Assignee Address: NJ Florham Park
- Main IPC: B01J27/198
- IPC: B01J27/198 ; B01J37/08 ; C07C51/215 ; C07C51/25 ; C07C51/265 ; B01J27/14
Abstract:
A heterogeneous process for preparing a vanadium-phosphorus-oxygen containing catalyst for use in the preparation of carboxylic anhydrides is disclosed. This process employs an activation procedure in an air-hydrocarbon atmosphere.
Public/Granted literature
- US4984699A Tamper evident cap Public/Granted day:1991-01-15
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