Freeze-drying apparatus

Details Freeze-drying apparatus Freeze-drying apparatus

2005-08-23

2005-08-23

Esquivel, Denise L. (Department: 3749)

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

C034S062000, C034S092000

Reexamination Certificate

active

06931754

ABSTRACT:
A drying unit for removing solvent from moist material, and a method for drying moist material with the drying unit. The unit comprises at least one drying chamber (23) having at least one stand plate (2) for holding vessels (3), which are filled with moist material, or flat layers of moist material, the drying chamber (23) being connected to a condenser (22) via a vapor passage (15), in which sublimed solvent can be separated out, the stand plates (2) being connected to a temperature-controlled heating/cooling circuit, the chamber (23) having heating/cooling plates (4) or (4′) which are connected to a second heat-transfer circuit, wherein the heating/cooling plates (4) or (4′) are substantially thermally isolated from the chamber wall (6).

REFERENCES:
patent: 3048928 (1962-08-01), Copson et al.
patent: 3311991 (1967-04-01), Gidlow
patent: 3716382 (1973-02-01), Chandrasekaren et al.
patent: 4597188 (1986-07-01), Trappler
patent: 5131168 (1992-07-01), Rilke et al.
patent: 5398426 (1995-03-01), Connor
patent: 6163979 (2000-12-01), Oetjen et al.
patent: 1 279 913 (2003-01-01), None
patent: 2 695 329 (1994-03-01), None
patent: WO 97/20181 (1997-06-01), None
patent: WO 98/50744 (1998-11-01), None
Patent Abstracts of Japan, Application No. 63324889, Date: Dec. 23, 1988 Inventor: Ariyama Koichi.
Patent Abstracts of Japan, Application No. 63279516, Date: Jul. 11, 1988 Inventor: Shishido Nobuyuki.
Patent Abstracts of Japan, Application No. 56172109, Date: Oct. 29, 1981 Inventor: Matsuzaka Masamitsu.

Affiliated with

Also associated with

Rating

Freeze-drying apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Freeze-drying apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Freeze-drying apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3498741