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Class 210/500.29 - Cellulosic


Subclass of Class 210 - Liquid purification or separation
Definition: Subject matter comprising the structure known as cellulose,
No. of applications: 14
Last issue date: 02/23/2012


Application No.Application TitleIssue Date
20120043275Nanofabricated Membrane Using Polymerized Proteoliposomes
The present invention generally related to a nanofabricated membrane including polymerized proteoliposomes. The nanofabricated membrane is a bio-nano fused selective membrane using protein-incorporated uv-crosslinkable liposomes with a chemical reactive biocompatible in...
02/23/2012
20120000846POLYMER COATED HYDROLYZED MEMBRANE
A method of forming a polymer coated hydrolyzed membrane includes forming a membrane from a first hydrophilic polymer by immersion precipitation, coating the membrane with a thin layer of a second hydrophilic polymer more pH tolerant than the first hydrophilic polymer t...
01/05/2012
20110210064FILTRATION MATERIAL FOR DESALINATION
The invention discloses a filtration material for desalination, including a support layer, and a desalination layer formed on the support layer, wherein the desalination layer is a fiber composite membrane and includes at least one water-swellable polymer. The water-swe...
09/01/2011
20110198282HIGH FLUX HIGH EFFICIENCY NANOFIBER MEMBRANES AND METHODS OF PRODUCTION THEREOF
A membrane is provided including a coating layer having cellulose nanofibers produced from oxidized cellulose microfibers and an electrospun substrate upon which the coating layer is applied. The nanofibers of the electrospun substrate have a diameter greater than that ...
08/18/2011
20110174720Multifunctional Electroprocessed Membranes
Described is the application of layer-by-layer (LbL) electrostatic assembly techniques to electrospun nanofibers in order to fabricate novel, breathable electrospun fiber-based chemical and biological detoxifying protective fabrics and filters. The combination of layer-...
07/21/2011
20100243556High-throughput asymmetric membrane
A microporous asymmetrical membrane formed of one or more layers wherein the “tight” side of the membrane has an “opened” face or otherwise highly-porous reticulated surface is described. The microporous asymmetrical membrane has high throughput and high flux, e...
09/30/2010
20100093059Method for the Preparation of Sulfated Cellulose Membranes and Sulfated Cellulose Membranes
The present invention relates to methods for the preparation of functionalized sulfated cellulose membranes. In particular, the present invention relates to the preparation of sulfated cellulose membranes under specific reaction conditions allowing to provide a sulfated...
04/15/2010
20100059440CROSS-LINKED CELLULOSE MEMBRANES
The invention relates to a process for making porous cross-linked charged cellulosic polymeric membranes capable of binding to a target molecule. The invention provides methods for separating target molecules from other components in a solution comprising use of membran...
03/11/2010
20090277837Fluoropolymer Coated Membranes
The present invention discloses fluoropolymer coated membranes and methods for making and using these membranes. The fluoropolymer coated membranes described in the current invention are prepared by coating a porous asymmetric membrane layer with a thin layer of fluorop...
11/12/2009
20090178970COALESCENCE MEDIA FOR SEPARATION OF WATER-HYDROCARBON EMULSIONS
A coalescence media for separation of water-hydrocarbon emulsions comprising an emulsion-contacting sheet formed as single dry layer from a wet-laid process using a homogenously distributed, wet-laid furnish including two or more constituents of the group consisting of:...
07/16/2009
20090078640High Flux Fluid Separation Membranes Comprising a Cellulose or Cellulose Derivative Layer
The present invention provides membranes having a coating layer comprising cellulose or cellulose derivative and a porous support comprising nanofibers prepared by a process of coating a solution comprising cellulose or a cellulose derivative dissolved in an ionic liqui...
03/26/2009
20090047654Polymer affinity matrix, a method for the production and use thereof
A polymer affinity matrix for the binding of one or more substances in a fluid or removing said substance(s) from the fluid and/or decreasing the amount or concentration thereof in said fluid with a view to preventing, eliminating or reducing undesired activation of com...
02/19/2009
20080245736Crosslinked cellulosic nanofiltration membranes
The present invention relates to a nanofilter formed by using a porous ultrafiltration membrane as a precursor, and carefully controlling reaction conditions so as to maintain sufficient hydrophilic nature of the membrane while causing the pore structure to close to a n...
10/09/2008
20080179248Process for Cross-Linking Cellulose Ester Membranes
The invention relates to a process for making porous cross-linked cellulose membranes and processes for coupling a chromatography ligand to cross-linked cellulose membranes. The invention provides methods for separating a first component from a second component in a sol...
07/31/2008
 
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