|
Match
|
Document |
Document Title |
|
|
8181794 |
Forward osmosis membranes
Forward osmosis membranes include an active layer and a thin support layer. A bilayer substrate including a removable backing layer may allow forward osmosis membranes with reduced supporting layer...
|
|
|
8181792 |
Process of forming multilayered structures
The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered...
|
|
|
8177978 |
Reverse osmosis membranes
An interfacial polymerization process (IFP) for preparing a highly permeable TFC RO membrane by contacting on a porous support membrane for IFP, a polyfunctional acyl halide monomer and a polyamine...
|
|
|
8147735 |
Semipermeable polymers and method for producing same
A polyamide membrane comprising reaction product of an anhydrous solution comprising an anhydrous solvent, at least one polyfunctional secondary amine and a pre-polymer deposition catalyst; and an...
|
|
|
8141717 |
Sintered polymeric materials and applications thereof
The present invention provides sintered polymeric materials and methods of making the same which are useful in a variety of applications. In one embodiment, the present invention provides a...
|
|
|
8136676 |
Polymers useful as medical materials
One object of the present invention is to provide polymers suitable for use as medical materials. The present invention provides a polymer useful as a medical material having the general formula...
|
|
|
8136675 |
Perm selective asymmetric hollow fibre membrane for the separation of toxic mediators from blood
The present invention relates to a permselective asymmetric hollow fibre membrane for the separation of toxic mediators from blood, comprised of at least one hydrophobic polymer and at least one...
|
|
|
8092918 |
Polyamide matrices and methods for their preparation and use
The invention provides novel polymer matrices and methods for preparing polymer matrices, as well as methods for purifying caustic feed streams using membranes that comprise polysulfonamide matrices.
|
|
|
8061532 |
Process of forming multilayered structures
The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered...
|
|
|
8029857 |
Micro-and nanocomposite support structures for reverse osmosis thin film membranes
Disclosed are compaction resistant thin film composite membranes having a porous polymeric support; a semi-permeable polymer film polymerized on the porous polymeric support; and particles, of a...
|
|
|
8025159 |
Agent for increasing rejection with a permeable membrane, process for increasing the rejection, permeable membrane and process for water treatment
An agent for increasing the rejection with a permeable membrane which comprises an ionic macromolecule having a weight-average molecular weight of 100,000 or greater; a process for increasing the...
|
|
|
8002120 |
Modified polyamide membrane
A modified polyamide membrane and method for making and using the same. The present invention includes many embodiments including methods comprising contacting a polyamide membrane with certain...
|
|
|
7993524 |
Membranes with embedded nanotubes for selective permeability
Membranes for filtration by size exclusion are formed from open-ended nanotubes embedded in a polymeric matrix. The matrix forms a layer whose thickness is substantially less than the average...
|
|
|
7959808 |
Polysulfone membranes methods and apparatuses
The present invention relates to methods and apparatuses for water filtration comprising contacting a water stream with a membrane comprising a polysulfone having structural units of Formula I...
|
|
|
7918349 |
Composite polyamide membrane with branched poly(alkylene oxide) modified surface
Composite membranes that exhibit long-term resistance to biofouling comprise a porous support and a crosslinked polyamide discriminating layer having an external surface, the discriminating layer...
|
|
|
7913857 |
Selective membrane having a high fouling resistance
A selective membrane having a high fouling resistance. In one embodiment, the selective membrane is a composite polyamide reverse osmosis membrane in which a hydrophilic coating is applied to the...
|
|
|
7909179 |
Modified polyamide matrices and methods for their preparation
The invention provides novel polymer matrices and methods for preparing polymer matrices.
|
|
|
7905361 |
Modified polyamide membrane
A modified polyamide membrane and method for making and using the same. The present invention includes many embodiments including methods comprising contacting a polyamide membrane with certain...
|
|
|
7891500 |
Process of forming multilayered structures
The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered...
|
|
|
7882963 |
Modified membrane
A multilayered modified membrane and method for making the same, comprising a modified discriminating layer that can have a fouling resistant surface, improved salt rejection, antimicrobial...
|
|
|
7866487 |
Aromatic polyamide porous film, process for producing the same and secondary battery
The problem addressed by this invention is to provide an aromatic polyamide porous film excellent in the capability of being thinned and capable of easily exhibiting stable porosity properties even...
|
|
|
7842214 |
Process for forming microporous membranes
A method for forming a microporous membrane having a microstructure is described. Dope and coagulant formulations are simultaneously cast, where the coagulant formulation diffuses into the dope...
|
|
|
7806275 |
Chlorine resistant polyamides and membranes made from the same
A chlorine resistant polyamide is formed from the reaction product of an amine and an acid chloride monomer wherein the acid chloride monomer is modified with electron-withdrawing groups that...
|
|
|
7793787 |
Polymers useful as medical materials
One object of the present invention is to provide polymers suitable for use as medical materials. The present invention provides a polymer useful as a medical material having the general formula...
|
|
|
7770739 |
Method of manufacturing membranes and the resulting membranes
This invention provides a process for making microporous membranes from a polymer solution and the membranes therefrom. A thermal assist, such as heating of the polymer solution can be effected...
|
|
|
7766173 |
Polyamide reverse osmosis composite membrane and preparation method thereof
An amine aqueous solution for forming an active layer of a polyamide reverse osmosis composite membrane is prepared, which consists of 0.1 through 20 weight % of polyfunctional aromatic amine...
|
|
|
7749385 |
Materials and methods for processing non-aqueous mixtures
The invention provides porous matrices that comprise one or more surfactants that can be used in non-aqueous environments.
|
|
|
7743929 |
Process of forming multilayered structures
The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered...
|
|
|
7727434 |
Membranes and methods of treating membranes
Membranes as well as a methods of treating membranes are disclosed. The method of treating a membrane includes contacting the membrane with a first solvent, contacting the membrane with an inert...
|
|
|
7708150 |
Process for preparing semipermeable membranes
The invention provides methods for preparing reverse osmosis membranes having improved permeability as well as membranes prepared by such methods.
|
|
|
7695973 |
Determination of glycated protein
The present invention provides methods for quantitation of glycated protein in a biological sample using a solid support matrix by making a first bound protein measurement total bound protein under...
|
|
|
7677399 |
Separation membrane and manufacturing process thereof
A process for manufacturing a separation membrane with excellent productivity, which can uniformly dry and imidize a separation membrane precursor solution formed on an inner surface of...
|
|
|
7677398 |
Process for improving membranes
The invention provides a process for improving the antifouling properties and for increasing the selectivity of commercial composite polyamide nanofiltration (NF) and reverse osmosis (RO) membranes...
|
|
|
7658872 |
Process for preparing semipermeable membranes having improved permeability
The invention provides methods for preparing reverse osmosis membranes having improved permeability as well as membranes prepared by such methods.
|
|
|
7648034 |
Coated membranes and other articles
The present invention provides porous media or membranes having a surface coating that includes a cross-linked terpolymer which has a superior combination of properties, including heat stable...
|
|
|
7641054 |
Composite semipermeable membrane, production process thereof, and element, fluid separation equipment and treatment method for boron-containing water using the same
A composite semipermeable membrane, which comprises a separating functional layer comprising a reactant of polyfunctional amine with polyfunctional acid halide, wherein a water-soluble organic...
|
|
|
7608189 |
Device for removing bacterial lipopolysaccharides and/or lipoteichoic acids from protein-containing fluids and its use for the treatment of sepsis
A device for removing bacterial lipopolysaccharides and lipoteichoic acids from blood or plasma in an extracorporeal perfusion system contains, in a housing that can be incorporated into the...
|
|
|
7604129 |
Lyotropic liquid crystal nanofiltration membranes
The invention provides composite nanofiltration membranes (FIG. 5) with lyotropic liquid crystal (LLC) polymer porous membranes (30) attached to a porous support (20). The LLC membranes are...
|
|
|
7575687 |
Membranes and methods useful for caustic applications
The invention provides methods for purifying caustic feed streams using membranes that comprise polysulfonamide matrices.
|
|
|
7553417 |
Functionalized substrates
Functionalized substrates, methods of making functionalized substrates, and methods of using functionalized substrates are disclosed.
|
|
|
7537697 |
Selective membrane having a high fouling resistance
A selective membrane having a high fouling resistance. In one embodiment, the selective membrane is a composite polyamide reverse osmosis membrane in which a hydrophilic coating is applied to the...
|
|
|
7524425 |
Filter for the removal of substances from blood products
A filter device for the depletion of the leukocyte content from blood products comprising: a porous element comprising at least one fibrous web having a pore size suitable for leukocyte removal...
|
|
|
7497951 |
Composite semipermeable membrane, production process thereof, and element, fluid separation equipment and method for water treatment using the same
A composite semipermeable membrane, which comprises a separating functional layer comprising polyamide formed on a porous substrate film, wherein the separating functional layer comprising...
|
|
|
7490725 |
Reverse osmosis membrane and process
A reverse osmosis membrane, and methods for making and using the membrane. The membrane has a continuous, defect-free, non-porous, hydrophilic coating that reduces the susceptibility to fouling.
|
|
|
7476636 |
Method of making mixed matrix membranes using electrostatically stabilized suspensions
Mixed matrix composite (MMC) membranes with minimal macrovoids and defects are provided by the current invention. MMC Membranes are needed that have minimal macrovoids and defects, provide...
|
|
|
7462223 |
Method for producing a membrane from a crosslinked polymer blend, and corresponding fuel cell
The present invention relates to a polymer blend membrane comprising a bridged polymer which is produced by a selected process. The membrane of the invention displays a significantly improved...
|
|
|
7462283 |
System and method for liquid filtration based on a neutral filter material
The present invention teaches, that the removal of particles of any charge from liquid stream is possible by mechanisms other than sieving with good flow and low pressure drop. The use of a weakly...
|
|
|
7425266 |
Water-filtering media and filters
In at least some embodiments, a filter comprises a filtering media. The filtering media is impregnated with chemical compounds that effectively retain water molecules and water-alcohol molecules...
|
|
|
7407702 |
Polymetaphenylene isophthalamide-based polymer porous film, process for its production and battery separator
A polymetaphenylene isophthalamide-based polymer porous film having a satisfactory porous structure that exhibits excellent gas permeability and heat resistance. It is produced by a process which...
|
|
|
7404896 |
Modified membranes
A porous polymeric membrane formed from a blend of a polymeric membrane forming material, such as polyvinylidene fluoride or polysulfone and a polymeric reactivity modifying agent adapted to modify...
|