Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1997-10-14
1999-02-09
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C07C 6700
Patent
active
058697365
ABSTRACT:
A process is provided for the oxidation of p-xylene and methyl p-tolulate with oxygen-containing gases in the Witten-Hercules process for preparing dimetyl terephthalate in at least two sequentially arranged stages and in the presence of a catalyst, wherein the process involves oxidizing p-xylene and methyl p-toluate with oxygen containing gases in at least two sequential stages in the presence of a catalyst, wherein the at least two sequential stages include at least one p-xylene rich stage and at least one methyl p-toluate rich stage, wherein at least one of the following steps (a) and (b) occurs:
REFERENCES:
patent: 3914287 (1975-10-01), Takeda et al.
Franz Gerhard
Jelko Stefan
Jostmann Thomas
Korte Hermann-Josef
Schoengen Anton
Huels Aktiengesellschaft
Killos Paul J.
Parsa Jafar
LandOfFree
Oxidation in the Witten-Hercules process for preparing dimethyl does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Oxidation in the Witten-Hercules process for preparing dimethyl , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Oxidation in the Witten-Hercules process for preparing dimethyl will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1950343