Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
High-purity meta-xylene production process










Image Number 3 for United States Patent #6207871.

There is provided a process for producing high-purity meta-xylene by converting a hydrocarbon feedstream comprising at least about 5 wt % ethylbenzene and at least about 20 wt % meta-xylene, over a single molecular sieve catalyst under ethylbenzene conversion conditions sufficient to provide a primary product stream depleted of more than 50% of the ethylbenzene present in the feedstream. The process can further comprise stripping benzene and/or toluene by-products from the primary product stream to provide a secondary product stream comprising at least about 75 wt % mixed ortho-xylene and meta-xylene; and splitting the secondary product stream by removing substantially all of the ortho-xylene present therein to provide a tertiary product stream comprising at least about 95 wt % meta-xylene.








 
 
  Recently Added Patents
Bessel beam plane illumination microscope
Vehicle grille
Architectural panel with Tarwe and grass
Optoelectronic semiconductor chip comprising a reflective layer
Information processing device and display control method
Device for accurately measuring concentration of component in blood and control method of the device
Buckle (tube)
  Randomly Featured Patents
Coupling and recovering seismic detection sensors
Electronic tag
Heater unit
Conductor connection assembly
Light emitting flat panel device which uses light guide routes to directly send light into a matrix of electronic shutters
Plastic varnish coating with integral self-protecting formulation and process for producing the same
Method for monitoring water quality
Method and apparatus for signal restoration without knowledge of the impulse response function of the signal acquisition system
Power consumption detection apparatus, power consumption control apparatus, image processing apparatus, self-luminous display apparatus, electronic device, power consumption detection method,
Cable holder