Title of Invention

A PROCESS OF PRODUCING O-XYLENE-AIR MIXTURES FOR THE PRODUCTION OF PHTHALIC ANHYDRIDE

Abstract A process of producing an o-xylene-air mixture for the production of phthalic anhydride, characterized in that o-xylene is completely evaporated at a temperature of atleast 175degreeC in the absence of oxygen, is superheated thereafter and then mixed with the process air, and this mixture is supplied to the PA reactor.
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Documents:

343-CAL-2002-CORRESPONDENCE-1.1.TIF

343-CAL-2002-CORRESPONDENCE.pdf

343-CAL-2002-FORM 13.pdf

343-CAL-2002-FORM 27 1.1.pdf

343-CAL-2002-FORM 27 1.2.pdf

343-CAL-2002-FORM 27.pdf

343-CAL-2002-FORM-27.pdf

343-cal-2002-granted-abstract.pdf

343-cal-2002-granted-claims.pdf

343-cal-2002-granted-correspondence.pdf

343-cal-2002-granted-description (complete).pdf

343-cal-2002-granted-examination report.pdf

343-cal-2002-granted-form 1.pdf

343-cal-2002-granted-form 18.pdf

343-cal-2002-granted-form 2.pdf

343-cal-2002-granted-form 26.pdf

343-cal-2002-granted-form 3.pdf

343-cal-2002-granted-form 5.pdf

343-cal-2002-granted-letter patent.pdf

343-cal-2002-granted-priority document.pdf

343-cal-2002-granted-reply to examination report.pdf

343-cal-2002-granted-specification.pdf

343-cal-2002-granted-translated copy of priority document.pdf

343-CAL-2002-OTHERS.pdf

343-CAL-2002-PA.pdf


Patent Number 221738
Indian Patent Application Number 343/CAL/2002
PG Journal Number 27/2008
Publication Date 04-Jul-2008
Grant Date 03-Jul-2008
Date of Filing 30-May-2002
Name of Patentee MG TECHNOLOGIES AG.
Applicant Address D-60325, FRANKFURT AM MAIN
Inventors:
# Inventor's Name Inventor's Address
1 DOMES HELMUTH KOLNER STR.19, D-63179 OBERTSHAUSEN
2 GUTERMUTH THOMAS AM TRANKGARTEN 5, D-63477 MAINTAL
3 FEISEL HERBERT FRIEDENSSTR.10, D-65719 HOFHEIM
4 URBAN LUTZ ZUM JOHANNISSTEIN 6, D-61389 SCHMITTEN
PCT International Classification Number C07D 307/89
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 10132627.0 2001-07-05 Germany