Perforated tray column without downcomer

Details Perforated tray column without downcomer Perforated tray column without downcomer

2007-06-26

2007-06-26

Manharan, Virginia (Department: 1764)

Distillation: processes, separatory

Addition of material to distilland to inhibit or prevent...

For inhibiting or preventing a polymerization reaction

C202S158000, C203S100000, C203SDIG021, C261S113000, C261S114500, C261S128000

Reexamination Certificate

active

10198433

ABSTRACT:
A perforated tray without downcomer having only a small deviation between the opening ratio based on the diameter of a column and the actual opening ratio and a perforated tray column without downcomer formed by disposing such perforated trays without downcomer are provided. The perforated trays without downcomer are characterized by having a ratio of (A)/(B) in the range of 1.1-1.5, wherein A denotes the opening ratio found from the standard pitch between centers of holes and (B) denotes the opening ratio based on the diameter of a column.

REFERENCES:
patent: 2767966 (1956-10-01), Chave
patent: 3233708 (1966-02-01), Glitsch
patent: 3589689 (1971-06-01), English
patent: 3603129 (1971-09-01), Williams et al.
patent: 3633882 (1972-01-01), Karakawa et al.
patent: 3717553 (1973-02-01), Otsuki et al.
patent: 3988213 (1976-10-01), Yoshida et al.
patent: 4174363 (1979-11-01), Bruckert
patent: 4184857 (1980-01-01), Iijima et al.
patent: 6214174 (2001-04-01), Matsumoto et al.
patent: 6372944 (2002-04-01), Matsumoto et al.
patent: 6423235 (2002-07-01), Shimoi et al.
patent: 6641700 (2003-11-01), Matsumoto et al.
patent: 6755943 (2004-06-01), Mizutani et al.
patent: 0 856 343 (1998-08-01), None
patent: 1 029 573 (2000-08-01), None
patent: A-10-212249 (1998-08-01), None
patent: A-2000-300903 (2000-10-01), None

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