| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 10.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Benzene-1-COCl-3,5-Di-Cl-4-Me prepn - Chlorination to 30-50% conversion of p-toluoyl chloride in the presence of Cl gas & Al chloride catalyst to provide mixt of 3,5-Di-Cl-4-Me-; 3-Cl-4-Me- & 2,5-Di-Cl-4-Me benzoyl chlorides - Distilling mixt to recover title prodt from 3-Cl-4-Me benzoyl chloride & 2,5-di-Cl-4-Me benzoyl chloride - Recycling 3-Cl-4-Me benzoyl chloride for further chlorina tion |
| PATENT PHOTOCOPY | Available on request |
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