| Patents for B01D 7 - Sublimation (732) |
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| 09/27/2001 | WO2001070364A1 Sublimation purifying method and apparatus |
| 09/13/2001 | US20010021415 Heating powder mixture in vacuum; sublimation, vaporization |
| 09/12/2001 | EP1132493A2 Vapor deposition method of organic compound and refinement method of organic compound |
| 09/12/2001 | CN2447034Y Sulfur-melting pot for continuous recovering sulfur |
| 06/21/2001 | WO2001044521A1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds |
| 06/13/2001 | EP0921846B1 On-line recovery of xenon from anaesthetic gas |
| 03/22/2001 | WO2001019345A1 Method to obtain microparticles |
| 03/22/2001 | CA2382005A1 Method to obtain microparticles |
| 03/14/2001 | CN1287504A Method for separating vaporous phthalic acid anhydride from a gas stream |
| 01/17/2001 | EP1067995A1 Method for separating vaporous phthalic acid anhydride from a gas stream |
| 11/01/2000 | CN1271615A Process for preparing osmotic vaporizing membrane penetrated preferably by organic substances |
| 10/24/2000 | US6134914 Condensing and solidifying a xenon component of a gas mixture (o2) on a cooling surface which is below the melting point and at a pressure of 0.6-150 bars; removing the noncondensed gases; liquefying the solid xenon by heating; recirculating |
| 08/23/2000 | EP1028792A1 Freezing a gas component in a gas mixture |
| 07/27/2000 | DE19910845C1 Heat exchanger sublimation process to remove carbon dioxide from respiration gases in anaesthetic applications requires less power than prior art |
| 06/27/2000 | US6080240 Method for recovering sublimable material |
| 05/30/2000 | US6068826 Condensing chloride containing gases |
| 02/15/2000 | US6023944 Apparatus and method for processing a sublimed material |
| 12/15/1999 | CN2353430Y Biological large-molecular crystalizing device capable of automatic-reset monitoring vapour-phase diffusion |
| 11/17/1999 | EP0956142A1 Liquid cooled trap patent application |
| 11/09/1999 | US5979179 Controlled cooling, heating |
| 09/30/1999 | WO1999048583A1 Method for separating vaporous phthalic acid anhydride from a gas stream |
| 09/30/1999 | DE19813286A1 Verfahren zum Abtrennen von dampfförmigen Phthalsäureanhydrid aus einem Gasstrom A method for separating vaporous phthalic anhydride from a gas stream |
| 09/22/1999 | EP0943020A1 Apparatus and method for processing a sublimed material |
| 09/22/1999 | EP0841980B1 Device and method for purifying a gas or vapour flow |
| 09/16/1999 | DE19811275A1 Process and assembly to extract potable water from moist desert air |
| 09/15/1999 | CN1228818A Apparatus and method for processing sublimed material |
| 09/14/1999 | US5951820 Compound is evaporated, passed through inner tube of heat exchanger to be precipitated, the heat exchanger is heated to re-evaporate compound, and the re-evaporated compound is precipitated in a filling container, cooled |
| 06/16/1999 | EP0921846A1 On-line recovery of xenon from anaesthetic gas |
| 05/20/1999 | WO1999024136A1 Freezing a gas component in a gas mixture |
| 05/20/1999 | DE19749836A1 Ausfrieren einer Gaskomponente aus einem Gasgemisch Freeze out of a gas component from a gas mixture |
| 04/15/1999 | DE19742821A1 Cooler for a hot carrying gas contained in a single vessel |
| 02/25/1999 | DE19755266C1 Desublimation housing has lower levels of ribbed tubes replaced |
| 12/23/1998 | CN1202384A Recovering method for sublimate |
| 12/15/1998 | CA1340230C Process for removing heavy metal compounds from the filtrer dust from trash incinerators, flue gas dust precipitators and gas-cleaning units |
| 11/04/1998 | EP0875276A2 Process for reducing the cloride compounds from cement clinker firing apparatuses |
| 10/14/1998 | EP0870525A1 A method for recovering sublimable material |
| 10/13/1998 | US5820641 Fluid cooled trap |
| 08/05/1998 | EP0856714A2 Process and apparatus for removing condensable components from gases or gas mixtures |
| 05/20/1998 | EP0841980A1 Device and method for purifying a gas or vapour flow |
| 04/21/1998 | CA1339826C Process of condensation of aluminium chloride |
| 04/14/1998 | US5738699 Apparatus for treating particles |
| 03/05/1998 | WO1998008994A1 Apparatus and method for processing a sublimed material |
| 03/05/1998 | WO1998008583A1 On-line recovery of xenon from anaesthetic gas |
| 03/05/1998 | DE19635002A1 Verfahren zur Online-Rückgewinnung von Xenon aus Narkosegas A method for on-line recovery of anesthetic gas xenon from |
| 03/05/1998 | CA2262650A1 Apparatus and method for processing a sublimed material |
| 01/14/1998 | EP0818223A1 Methode and apparatus for controlling the pressure in a vacuum chamber of a distillation or sublimation device |
| 01/08/1998 | WO1998000215A1 Method for purifying contaminated simple or complex substances |
| 01/07/1998 | EP0816530A1 A method of purifying an organo-metallic compound |
| 12/30/1997 | CA1339601C Aluminium chloride granules and process for preparing the same |
| 08/14/1997 | WO1997028886A1 Liquid cooled trap patent application |
| 08/14/1997 | DE19604747A1 Heat exchanger for heating or cooling gases |
| 06/04/1997 | CN2255431Y Level-diffusion crystallizing chamber for growth of space protein crystal |
| 04/10/1997 | WO1997013097A1 Method and device for preventing formation of deposits in pipe systems |
| 04/09/1997 | CN2251561Y Vapor-phase diffusion method crystallizer for space protein crystal growth |
| 04/03/1997 | DE19546702C1 Crystalliser to recover sublimed product e.g. phthalic anhydride from gas flow on cooled finned tubes |
| 01/21/1997 | US5596673 Evaporation crucible assembly |
| 01/03/1997 | WO1997000117A1 Device and method for purifying a gas or vapour flow |
| 12/31/1996 | US5588969 Method for supplying phosphorous vapor |
| 11/20/1996 | CN1033308C One-seep sublimer for extracting natural caffeine from tea |
| 10/29/1996 | US5569315 Placing individual amounts of molten material on cooling surface to solidify, collecting air containing released vapors in space above surface, causing some material to crystallize out, transporting waste air to cleaner |
| 10/22/1996 | US5567887 Anhydrous ammonia gas sampler and concentration system |
| 10/09/1996 | EP0736315A1 Crystallizer |
| 07/11/1996 | DE19512845C1 Crystalliser for sublimed material with supported spirally-finned tube bundle |
| 06/13/1996 | DE19544461A1 Process for filtering tank gases on emptying liq. container into tank |
| 06/05/1996 | EP0714999A1 Method for sublimating a solid material and a device for implementing the method |
| 05/29/1996 | EP0713718A2 Process for cleaning of exhaust air by cristallisation or condensation from the vapor phase |
| 02/15/1996 | DE4428210A1 Removal of impurities from xenon fluoride excimer laser gases |
| 11/15/1995 | CN1111902A Process and device for purifying the outgoing air from molten mass solidifying plants |
| 11/15/1995 | CN1111901A Process for producing granulates from molten products |
| 08/22/1995 | US5444247 Sublimation apparatus and process |
| 08/01/1995 | US5437691 Production of spherical shaped products of subliming substances |
| 07/12/1995 | EP0662030A1 Process and device for purifying the outgoing air from molten mass solidifying plants |
| 06/21/1995 | EP0658129A1 Process for producing granulates from molten products |
| 05/16/1995 | US5415224 Apparatus for cold drying of gas |
| 01/19/1995 | WO1995001858A1 Process and device for purifying the outgoing air from molten mass solidifying plants |
| 01/19/1995 | WO1995001833A1 Process for producing granulates from molten products |
| 01/19/1995 | CA2143843A1 Method and apparatus for cleaning of exhaust air of plants for solidifying molten material |
| 01/19/1995 | CA2142832A1 Method for the manufacture of granulated material from molten products |
| 01/10/1995 | US5380500 Process for separating vaporous heavy metal compounds from a carrier gas and apparatus for carrying out the process |
| 01/05/1995 | DE4321032A1 Process and apparatus for recovering plastic from contaminated plastic waste |
| 01/03/1995 | US5377429 Method and appartus for subliming precursors |
| 10/11/1994 | US5354563 Water dispersion containing ultrafine particles of organic compounds |
| 09/20/1994 | US5348911 Material-saving process for fabricating mixed crystals |
| 08/18/1994 | DE4322629C1 Process for producing granules (pellets) from molten products |
| 06/30/1994 | DE4310934C1 Sepn of liquefied solids from hot gas streams, e.g. combustion exhaust |
| 05/03/1994 | US5307638 Process to recover solvents from waste gases |
| 03/29/1994 | US5298227 Mixing melting furnace effluent with cooling air to condense metal compounds, filtration, incineration |
| 11/09/1993 | CA1324106C Process of separation of hafnium from zirconium by molten salt electrolysis |
| 11/09/1993 | CA1324090C Method and apparatus for treating process gases |
| 08/31/1993 | US5239820 Electric propulsion using C60 molecules |
| 08/04/1993 | EP0553706A1 Installation for drying gases by cooling |
| 08/01/1993 | CA2087996A1 Apparatus for cold drying of gas |
| 07/20/1993 | US5228514 Gas trap apparatus |
| 06/08/1993 | US5216890 Device for and method of producing hyperfine frozen particles |
| 04/21/1993 | EP0537473A1 Process for the recovery of solvants from waste air or gas |
| 03/24/1993 | EP0368861B1 Method and apparatus for treating process gases |
| 01/13/1993 | CN1067894A One-seep sublimer for extracting natural caffeine from tea |
| 11/18/1992 | CN2121983U Internally heating settling sublime pot |
| 09/09/1992 | EP0324812B1 Material-saving process for producing crystalline solid solutions |
| 09/02/1992 | CN2114498U Sublimation tank |