| PATENT ASSIGNEE'S COUNTRY | CH |
| UPDATE | 12.00 |
| PATENT ASSIGNEE | Arteva North America SARL |
| PATENT CLAIMS |
- (a) Oxidizing at first selected T a feedstock selected from the group consisting of p-tolualdehyde & p-tolualdehyde/ p-xylene contg feedstocks with an O contg fluid to produce p-toluic acid - (b) Carrying out a step selected from the group consisting of: (1) Esterifying the prodt of (a) with MeOH to form Me p- toluate & oxidizing at second selected T the Me p-toluate with an O contg fluid to form mono-Me terephthalate & (2) Oxidizing (a) with O contg fluid to form terephthalic acid - (c) Esterifying prodt of (b) with MeOH to form prodt contg di-Me terephthalate - (d) Separating the di-Me terephthalate from (c) Wherein the oxidations are carried out in the absence of any bromine compd |
| PATENT PHOTOCOPY | Available on request |
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