| CLASSIFICATION | CommPat. Licens. Market |
| MARKETER'S COUNTRY | USA |
| PRODUCER'S COUNTRY | USA |
| UPDATE | 07.99 |
| LICENSEE | This data is not available for free |
| LICENSEE OF | This data is not available for free |
| LICENSING OFFERED | Yes. |
| LICENSOR | This data is not available for free |
| MARKETING BY | This data is not available for free |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Method of prodg maleic anhydride reaction product gas ha ving a low acrylic acid content, comprising - Passing a gas stream initially comprising mixt of nonaroma tic hydrocarbon having > 4 C atoms in straight chain (buta ne) & O gas over fixed catalyst bed - Said bed having first zone contg an active catalyst devoid of Mo & second zone contg Mo-modified active catalyst downstream first zone - Said Mo-modified active catalyst comprising phosphorous vanadium oxide catalyst comprising active sites compri sing Mo |
| PATENT PHOTOCOPY | Available on request |
| PRODUCTION BY | This data is not available for free |
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