|
Match
|
Document |
Document Title |
|
|
5075123 |
Process and apparatus for removing alcohol from beverages
A process and apparatus for removing alcohol from beverages includes removing alcohol from the beverage to a dialysate by dialysis in a dialysis chamber, and then removing the alcohol from the...
|
|
|
5069794 |
Separation of mixture components over membrane composed of a pure molecular sieve
A process is provided for separation of components of a gaseous or liquid mixture which comprises contacting the mixture with a synthetic, non-composited microporous membrane comprising a...
|
|
|
5055631 |
Sulfonated polysulfone membranes for aromatics/saturates separation
The present invention describes a method for separating mixtures of aromatics and non-aromatics by permeation through a sulfonated polysulfone membrane which is selective for aromatics.
|
|
|
5051188 |
Removal of water from a mixture of water, CO.sub.2 and amines
Water is removed from a mixture containing water, CO 2 and one or more amines by pervaporation by bringing the mixture into contact with one side of a membrane and removing the water-containing...
|
|
|
5039420 |
Hydrophilic semipermeable membranes based on copolymers of acrylonitrile and hydroxyalkyl esters of (meth) acrylic acid
Hydrophilic semipermeable membranes based on copolymers of acrylonitrile and hydroxy-C 2 -C 4 -alkyl esters of (meth)acrylic acid are provided. The membranes have a substantial water regain at...
|
|
|
5039418 |
Membrane made from a multi-block polymer comprising an oxazolidone prepolymer chain extended with a compatible second prepolymer and its use in separations
A multi-block polymer comprising an oxazolidone prepolymer chain extended with a second compatible prepolymer, the membrane made therefrom and the use of said membrane in aromatics/non-aromatics...
|
|
|
5037554 |
Selectively permeable membrane
A water vapor permeable membrane, selectively impermeable to acid vapors, being constructed from a thin film layer of sulfoanted polyacrylonitrile containing a cationic dye on a supporting porous...
|
|
|
5019666 |
Non-porous polycarbonate membranes for separation of aromatics from saturates
The present invention is a method for separating aromatics from saturates using a non-porous polycarbonate membrane. In a preferred embodiment, the polycarbonate membrane may be crosslinked.
|
|
|
5012036 |
Polyarylate membranes or aromatics/saturates separation (C-2415)
The present invention describes a method for separating mixtures of aromatics and non-aromatics into aromatic-enriched and non-aromatic-enriched streams by contacting the aromatic/non-aromatics...
|
|
|
5012035 |
Polyphthalatecarbonate membranes for aromatics/saturates separation
The present invention describes a method for separating mixtures of aromatics and non-aromatics into aromatic-enriched and non-aromatic-enriched streams by contacting the mixture with one side of a...
|
|
|
4944996 |
Separating element
The invention relates to a support intended to receive a mineral membrane for separation procedures, and processes for the production thereof. The support is formed by a carbon-carbon composite...
|
|
|
4939180 |
Process of producing a composite membrane
A process for producing a composite membrance in which a sulphonated polymer is appled to the surface of a porous substrate, treating the polymer, in situ, on the substrate with cations of a...
|
|
|
4886604 |
Structure with membranes having continuous pores
A method for producing a structure comprising at least one membrane with continuous pores having a diameter range of 1 to 8 nm extending along plane, curved, cylindrical or vesicular surfaces...
|
|
|
4886602 |
Process for the separation of biotechnologically produced valuable materials from a fermenter broth by crossflow micro- and/or ultrafiltration
The invention is a process for the separation of biotechnologically produced valuable materials from a fermenter broth by crossflow microfiltration and/or ultrafiltration, in which at least two...
|
|
|
4866099 |
Membrane
A sulphonated aromatic polymer containing repeating units (Ar-Y) (where Y is SO 2 and/or CO), where at least half of groups Ar contain a group SO 3 M and M is l/m of a polyvalent metal cation in...
|
|
|
4802987 |
Selective permeation of aromatic hydrocarbons through polyethylene glycol impregnated regenerated cellulose or cellulose acetate membranes
Aromatic hydrocarbons present in a hydrocarbon feed stream containing a mixture of aromatic hydrocarbons and non-aromatic saturated organic components are separated from said hydrocarbon feed...
|
|
|
4786386 |
Process and apparatus for the treatment of water and effluents by ultra-filtration and electrolysis
Disclosed are a process and apparatus for the treatment of such fluids as ter and effluents by ultra-filtration and electrolysis, useful in particular for the continuous recovery and separation of...
|
|
|
4762619 |
Method of forming dynamic membrane on stainless steel support
A suitable member formed from sintered, powdered, stainless steel is contacted with a nitrate solution of a soluble alkali metal nitrate and a metal such as zirconium in a pH range and for a time...
|
|
|
4751003 |
Crossflow microfiltration process for the separation of biotechnologically produced materials
The invention relates to a process for the separation of biotechnologically produced valuable materials form a cell suspension by crossflow microfiltration to obtain an high specific permeate flux...
|
|
|
4664918 |
Process for reducing alcohol in fermented beverages by means of dialysis
A dialysis process, wherein a fermented beverage obtained by a customary process is being conducted along one side of the dialysis membrane, with a suitable dialysate fluid containing extract...
|
|
|
4473476 |
Method of reverse osmosis employing an improved porous glass membrane
A porous glass membrane for reverse osmosis desalination of salt water is made by heating a membrane of a sodium-boron-alumino silicate glass so that it separates into two inter-connecting phases,...
|
|
|
4465492 |
Process for the preparation of concentrated aqueous formulations of synthetic anionic dispersants and the use thereof
In a process for the preparation of concentrated aqueous formulations of synthetic anionic dispersants, dilute reaction solutions of said dispersants are subjected to reverse osmosis using...
|
|
|
4111810 |
Desalination reverse osmotic membranes and their preparation
Semipermeable membranes useful in reverse osmosis and a process of preparing them comprising deacetylating naturally occurring chitin to produce chitosan, making a film of chitosan salt from an...
|
|
|
4078112 |
Coating modification process for ultrafiltration systems
A coating modification process is provided for use in ultrafiltration systems to improve the adherence of porous coatings of preformed, aggregated, inorganic metal oxide particles, to substrates,...
|
|
|
4042576 |
Extraction of glycoproteins and sialic acid from whey
A process for the separation of sialic acid and glycoproteins from dairy or casein factory whey. The proteins are flocculated by thermal treatment, the supernatent is ultrafiltrated and the...
|
|
|
4001117 |
Sieve filtration apparatus
An apparatus for sieve filtration, and in particular ultrafiltration using a membrane as the filter, is particularly useful for filtering extremely small initial volumes, in particular of blood...
|
|
|
3926799 |
Support for dynamic membrane
Porous supports for dynamic hyperfiltration membranes are prepared by coating substrates with ZrO 2 filter aid prior to insertion in desalination apparatus. The coating is applied by applying a...
|
|
|
3886066 |
Tannin treatment for non-porous semipermeable membranes
Semipermeable membranes having permanently reduced solute passage under reverse osmosis conditions are obtained by contacting non-porous semipermeable membranes with solutions of hydrolyzable tannins.
|
|
|
3877978 |
Semipermeable membranes
A method of improving the rejection performance of semipermeable membranes by incorporating thereinto an effective amount of a supplemental polymer containing a substantial amount of acetyl groups....
|
|
|
3676335 |
PROCESS FOR EFFECTING CHANGES IN SOLUTION CONCENTRATIONS
Efficiency of reverse osmosis separation processes is enhanced by reducing the thickness of the boundary layer formed at the membrane-solution interface. This is accomplished by placing a second...
|
|
|
3644202 |
COLLAGEN MEMBRANES FOR REVERSE OSMOSIS DESALINATION
A collagen membrane is employed as reverse osmosis membrane in desalination of water. The process is particularly applicable to desalination of brackish waters containing substantial amounts of...
|
|
|
3549522 |
APPARATUS AND PROCESS FOR OBTAINING POTABLE WATER FROM SALINE SOLUTIONS
|
|
|
3537988 |
HYPERFILTRATION METHOD OF REMOVING ORGANIC SOLUTE FROM AQUEOUS SOLUTIONS
|
|
|
3462362 |
METHOD OF REVERSE OSMOSIS
|
|
|
3457171 |
GRAPHITIC OXIDE MEMBERANE FOR DESALINATING WATER
|
|
|
3355382 |
Centripetal acceleration method and apparatus
|
|
|
3344928 |
Humic acid as an additive in a process of forming a salt-rejecting membrane
|
|
|
3331772 |
Desalting water by reverse osmosis through novel semipermeable membranes
|
|
|
3310488 |
Method of desalinizing water
|
|
|
3283813 |
Saline water conversion by subsurface processes
|
|
|
3228877 |
Permeability separatory apparatus and process utilizing hollow fibers
|
|
|
3228876 |
Permeability separatory apparatus, permeability separatory membrane element, method of making the same and process utilizing the same
|
|
|
3171799 |
Process for the demineralization of water
|
|
|
3060119 |
Sea-well conversion of salt water
|
|
|
2960462 |
Dual film combinations for membrane permeation
|
|
|
3577339 |
Title is not available
|
|
|
3736204 |
Title is not available
|
|
|
3660281 |
Title is not available
|
|
|
3645891 |
Title is not available
|
|
|
3835040 |
Title is not available
|