Patents
Patents for B01D 12 - Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid (868)
12/2000
12/27/2000EP1062014A1 Method for drying and producing microporous particles
11/2000
11/22/2000EP1053056A1 Modular solid phase extraction plate assembly
10/2000
10/24/2000US6137018 Removing ionic impurities contained in waste isopropyl alcohol; removing metallic impurities fromn waste; removing water; removing particles; returning isopropyl alcohol to storage for future use
10/24/2000US6136766 For cleaning industrial parts consisting of a cyclic polyorganosiloxane and a hydrophilic solvent
10/11/2000CN1057331C Cleaning compositions
09/2000
09/19/2000US6120613 Treating substrate surface first with carbon dioxide, then with an oil which entrains the contaminant, solubilizing the oily mixture to recover at least a portion of the oil, for metals
08/2000
08/24/2000WO2000018485A9 Tortuous path filter
08/10/2000DE19903125A1 Verfahren zur Trocknung von Proteinkristallen Process for drying protein crystals
08/03/2000WO2000044767A2 Method for drying protein crystals
08/01/2000US6096240 Composition for the removal of water from a surface
07/2000
07/06/2000WO2000038813A1 Dehydration process
07/06/2000CA2353480A1 Dehydration process
07/04/2000US6083424 Hydrofluoropolyethers
06/2000
06/22/2000WO2000036046A1 Compositions comprising 1,1,1,3,3-pentafluorobutane and use of said compositions
06/15/2000WO2000033960A1 Modular solid phase extraction plate assembly
05/2000
05/17/2000CN1052462C Method of treatment of sewage sludge and kitchen garbage
05/10/2000EP0937193A4 Method of remediation of contaminants in porous media through minimization of buoyancy effects
04/2000
04/19/2000CN1051540C Azeotropic composition
04/06/2000WO2000018485A1 Tortuous path filter
04/04/2000CA2049952C A process and apparatus for continuous filtering and liquid displacement of a liquid suspension of a fibrous or finely-divided material
02/2000
02/23/2000EP0980910A2 Hydrofluoropolyether-based azeotropic or near azeotropic compositions
02/15/2000US6024176 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application
01/2000
01/18/2000CA2096713C Compositions for dewetting or degreasing solid surfaces
12/1999
12/15/1999EP0755909B1 Azeotropic composition
11/1999
11/30/1999US5993660 Method of remediation of contaminants in porous media through minimization of bouyancy effects
11/30/1999CA2229970C Jet pump treatment of heavy oil production sand
11/16/1999US5985810 For cleaning industrial parts consisting of polyorganosiloxane, surfactant, and hydrophilic solvent
11/09/1999US5980642 Method for the removal of water from surfaces
11/02/1999US5977040 Cleaning compositions
10/1999
10/27/1999CN1045989C Compositions for dewetting or degreasing solid surfaces
10/14/1999WO1999051364A1 Carbon dioxide cleaning and separation systems
10/14/1999CA2326585A1 Carbon dioxide cleaning and separation systems
10/12/1999US5965511 Cleaning or drying compositions based on 1,1,1,2,3,4,4,5,5,5-decafluoropentane
09/1999
09/22/1999EP0797565B1 Novel surfactants and drying and drycleaning compositions which utilize said surfactants
09/16/1999WO1999046023A1 Method for drying and producing microporous particles
09/16/1999DE19810565A1 Economical drying of microporous particles containing fluid e.g. inorganic, organic or polymer gel
09/07/1999US5948174 1,1,1,3,3-pentafluorobutane, a cosolvent, and a surface-active agent comprising at least one imidazoline.
08/1999
08/26/1999WO1999042218A1 Jet pump treatment of heavy oil production sand
08/25/1999EP0937193A1 Method of remediation of contaminants in porous media through minimization of buoyancy effects
03/1999
03/30/1999US5888312 Using polysiloxane cleaning compounds
03/23/1999US5885485 Process for producing low-salt silica sol dispersions in low-boiling alcohols
03/03/1999CN1042353C Washing method using washing agent
02/1999
02/17/1999CN1042103C Alkylation catalyst regeneration
12/1998
12/30/1998EP0887395A1 Composition for drying solids by displacement of water and corresponding process
12/22/1998CA2100145C Alkylation catalyst regeneration
12/15/1998US5849161 Method for treating solution of organic compound
11/1998
11/25/1998CN1199765A Compositions for drying solid surfaces
11/10/1998US5834416 Solvent containing alkyl ester n-propyl acetate with hexamethyldisiloxane
11/10/1998US5833761 Method of cleaning an object including a cleaning step and a vapor drying step
10/1998
10/28/1998EP0759742B1 Physiologically acceptable emulsions containing perfluorocarbon ether hydrides and methods of use
10/20/1998US5824632 Cleaning composition consisting of azeotrope of decamethyltetrasiloxane and 1-butoxy-2-propanol
09/1998
09/30/1998EP0867429A1 Compositions to remove water and/or solvents and/or oils
09/30/1998CN1194298A Cleaning or drying composition using 1,1,1,2,3,4,4,5,5,5-decafluoropentoane as main compound
09/09/1998EP0863194A1 Compositions for the drying of solid surfaces
08/1998
08/26/1998EP0860497A2 Azeotropes of decamethyltetrasiloxane
08/26/1998EP0721497B1 Compositions comprising 1,1,1,3,3-pentafluorobutane and method for the removal of water from a solid surface
08/05/1998EP0856578A1 Cleaning or drying compositions containing 1,1,1,2,3,4,4,5,5,6-decafluoropentane
07/1998
07/28/1998CA2227335A1 Azeotropes of decamethyltetrasiloxane
07/21/1998US5782983 Dewatering cleaning method, dewatering cleaning apparatus, and concentration type filter for use therein
06/1998
06/30/1998US5773404 Cleaning mixtures
06/30/1998US5773403 Cleaning and drying solvent
06/30/1998US5772781 Nonaqueous
06/23/1998US5769962 Cleaning method
05/1998
05/14/1998WO1998020234A1 Method of remediation of contaminants in porous media through minimization of buoyancy effects
05/14/1998CA2270920A1 Method of remediation of contaminants in porous media through minimization of buoyancy effects
05/05/1998CA2035687C Application of (perfluoroalkyl)-ethylenes as cleaning or drying agents, and compositions of use as such
04/1998
04/21/1998US5741367 Substituting liquid on object with low molecular weight straight chain or cyclic polysiloxane, removing from object to dry
04/21/1998US5741365 Continuous method for cleaning industrial parts using a polyorganosiloxane
04/08/1998EP0687245B1 Process for producing stabilised sodium percarbonate
03/1998
03/17/1998US5728228 Method for removing residual liquid from parts using a polyorganosiloxane
03/04/1998EP0826714A2 Method for the removal of water from surfaces
03/03/1998US5723701 Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions
02/1998
02/25/1998CN1174092A Method for treating solution of organic compound
02/10/1998US5716456 Method for cleaning an object with an agent including water and a polyorganosiloxane
01/1998
01/27/1998US5712412 Replacing original dispersion medium, gravity settling, columns
01/14/1998EP0817830A1 Hydrofluorocarbon-containing compositions and method for removing water from a solid surface
01/14/1998EP0627250B1 Method and device for draining-washing
01/06/1998US5705133 Rotating basket
12/1997
12/17/1997EP0812803A1 Preparation of silica sol dispersions in low boiling points alcohols,with a low salt content
11/1997
11/26/1997CN1165946A Dewatering method for tiny powdered material
11/04/1997US5683978 Saturated linear polyfluorohydrocarbons in cleaning compositions
10/1997
10/01/1997EP0798284A2 Method for treating a solution of organic compound
10/01/1997EP0797565A1 Novel surfactants and drying and drycleaning compositions which utilize said surfactants
08/1997
08/19/1997US5658962 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application
08/14/1997WO1997028875A1 Improved stationary screen extractor
07/1997
07/29/1997CA1339150C Halogenated hydrocarbon solvents and use thereof
07/15/1997US5647914 Nonaqueous solvent regenerating method for use in cleaning
07/09/1997EP0458969B1 Non-aqueous cleaning composition comprising a polyorganosiloxane
06/1997
06/25/1997EP0473795B1 Method of cleaning
06/11/1997CN1035116C Hologenated hydrocarbon solvents and thereof
05/1997
05/27/1997US5632965 Method for the preparation of stabilized sodium percarbonate
05/13/1997US5628833 Two-step cleaning or dewatering with siloxane azeotropes
04/1997
04/23/1997CN1148377A Omega-hydrofluoroalkyle ethers, precursor carboxylic acid and derivatives thereof, and their prepn. and application
03/1997
03/26/1997CN1146195A Azeotropic composition
03/12/1997EP0760809A1 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application
03/11/1997US5610128 Surfactants and drying and drycleaning compositions which utilize said surfactants
03/05/1997EP0759742A1 Physiologically acceptable emulsions containing perfluorocarbon ether hydrides and methods of use
02/1997
02/05/1997EP0757119A2 Cleaning method and cleaning apparatus
02/04/1997US5599783 Cleaning solvent composition and a method for cleaning or drying articles
01/1997
01/29/1997EP0755909A1 Azeotropic composition
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