Semi-continuous photochemical method and device therefor

Details Semi-continuous photochemical method and device therefor Semi-continuous photochemical method and device therefor

2002-04-04

2009-02-17

Wong, Edna (Department: 1795)

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

C204S157600, C204S157760

Reexamination Certificate

active

07491299

ABSTRACT:
In the photochemical synthetic process in semi-continuous mode according to the invention, a reactor comprising two zones is used, the radiating portion of the lamp(s) being totally immersed in a first zone which is completely filled with reaction medium and spills off via an overflow into a second zone whose volume is sufficient to contain the volume of reaction medium originating from the first zone and corresponding substantially to the volume of the reagent(s) gradually introduced.

REFERENCES:
patent: 4140604 (1979-02-01), Dimmig
patent: 4443310 (1984-04-01), Arretz et al.
patent: 5037618 (1991-08-01), Hager
patent: 5227140 (1993-07-01), Hager et al.
patent: 6180805 (2001-01-01), Jansen
patent: 6398922 (2002-06-01), Desire
patent: 2001/0019015 (2001-09-01), Desire
patent: 2004/0016633 (2004-01-01), Braun et al.

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