C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/365, 165/72
C07D 307/89 (2006.01) C07C 51/573 (2006.01)
Patent
CA 1235132
- 5 - Abstract of the Disclosure: The temperature of the exit gas from the gas washer in the preparation of phthalic anhydride by catalytic oxidation of naphthalene or o- xylene with air is increased by a method in which flue gas from the combustion furnace for residues is mixed with the exit gas before the latter emerges into the atmosphere.
490422
Basf Aktiengesellschaft
Robic Robic & Associes/associates
LandOfFree
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