|
Match
|
Document |
Document Title |
|
|
8182590 |
Ultrathin porous nanoscale membranes, methods of making, and uses thereof
A process for forming a porous nanoscale membrane is described. The process involves applying a nanoscale film to one side of a substrate, where the nanoscale film includes a semiconductor...
|
|
|
8167983 |
Gas separation membranes
The present invention relates to compositions for producing membranes, the compositions comprising at least 0.1% by weight of highly branched polymer, at least 0.5% by weight of linear polymer and...
|
|
|
8163071 |
Hollow fiber, dope composition for forming hollow fiber, and method of preparing hollow fiber using the same
Disclosed is a hollow fiber that includes a hollow positioned at the center of the hollow fiber, macropores positioned at adjacent to the hollow, and mesopores and picopores positioned at adjacent...
|
|
|
8127937 |
High performance cross-linked polybenzoxazole and polybenzothiazole polymer membranes
In the present invention high performance cross-linked polybenzoxazole and polybenzothiazole polymer membranes and methods for making and using these membranes have been developed. The cross-linked...
|
|
|
8127936 |
High performance cross-linked polybenzoxazole and polybenzothiazole polymer membranes
In the present invention high performance cross-linked polybenzoxazole and polybenzothiazole polymer membranes and methods for making and using these membranes have been developed. The cross-linked...
|
|
|
8101009 |
Separation membrane by controlled annealing of polyimide polymers
This abstract discusses membranes needed to separate fluids for the production of oxygen-enriched air, nitrogen-enriched-air, for the separation of carbon dioxide from hydrocarbons, and the...
|
|
|
8083834 |
High permeability membrane operated at elevated temperature for upgrading natural gas
The present invention discloses a new process of treating natural gas using high gas permeability polybenzoxazole polymer membranes operated at high temperatures that can provide sufficient dew...
|
|
|
8066799 |
Method of making a crosslinked fiber membrane from a high molecular weight, monoesterified polyimide polymer
The present disclosure relates to a high molecular weight, monoesterified polyimide polymer. Such high molecular weight, monoesterified polyimide polymers are useful in forming crosslinked polymer...
|
|
|
8057574 |
Membrane post treatment
The invention relates to polymeric ultrafiltration or microfiltration membranes of, for instance, Halar, PVDF or PP, incorporating PVME or vinyl methyl ether monomers. The PVME may be present as a...
|
|
|
8048198 |
High performance mixed matrix membranes incorporating at least two kinds of molecular sieves
The present invention discloses a new type of high performance mixed matrix membranes (MMMs) and methods for making and using the same. The MMMs comprise a continuous polymer matrix and at least...
|
|
|
8043418 |
Gas separator apparatus
An apparatus for separating at least one component from a mixture of a plurality of chemical species is provided. The apparatus comprises a membrane structure comprising a plurality of pores...
|
|
|
8016124 |
Thin film gas separation membranes
A gas separation membrane comprises a blend of polyethersulfone (PES) and aromatic polyimide polymers that may comprise a plurality of first repeating units of formula (I), wherein X1, X 2 and X3...
|
|
|
8002874 |
Liquid-phase and vapor-phase dehydration of organic/water solutions
Processes for dehydrating an organic/water solution by pervaporation or vapor separation using fluorinated membranes. The processes are particularly useful for treating mixtures containing light...
|
|
|
7998246 |
Gas separations using high performance mixed matrix membranes
The present invention discloses a novel method of making high performance mixed matrix membranes (MMMs) using stabilized concentrated suspensions of solvents, uniformly dispersed polymer stabilized...
|
|
|
7964019 |
Gas separation membrane
A membrane for gas separation includes a porous support layer and a separation layer. The separation layer comprises a mixture of one or more saccharide derivatives and one or more homopolymers....
|
|
|
7959715 |
Systems and methods allowing for reservoir air bubble management
Various embodiments of the present invention are directed to limiting a presence of air bubbles in fluidic media in a reservoir. Air passages may allow air to escape from fluidic media in a...
|
|
|
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...
|
|
|
7950529 |
Separation membrane made from blends of polyimides with polyimidazoles
A membrane for fluid separation made of a blend of at least a polyimide polymer and a polyimidazole polymer.
|
|
|
7938894 |
Hybrid organic-inorganic gas separation membranes
The invention discloses a composition comprising a hybrid composite organic-inorganic membrane. The hybrid organic-inorganic membrane according to the present invention may comprise an amorphous...
|
|
|
7922795 |
Ultrathin nanoscale membranes, methods of making, and uses thereof
A nanoscale membrane exposed on opposite sides thereof and having an average thickness of less than about 100 nm, and a lateral length to thickness aspect ratio that is more than 10,000 to 1 is...
|
|
|
7896948 |
Membrane
A membrane suitable for separating a gas, in particular carbon dioxide, from a gas mixture containing the gas is provided by a blend of polyvinyl alcohol (PVA) and polyvinylamine (PVAm).
|
|
|
7871456 |
Membranes with controlled permeability to polar and apolar molecules in solution and methods of making same
A membrane for use in an implantable glucose sensor including at least one crosslinked substantially hydrophobic polymer and at least one crosslinked substantially hydrophilic polymer; wherein the...
|
|
|
7846238 |
Method of manufacturing porous polytetrafluoroethylene membrane, filter medium, and filter unit
Provided is a method of manufacturing a porous polytetrafluoroethylene (PTFE) membrane capable of achieving both a high collection efficiency and a low pressure drop, though it has a larger average...
|
|
|
7837763 |
High-molecular-weight polyazoles used as proton conducting membranes
The invention under consideration concerns novel his-molecular-weight polyazoles, which are suitable for the production of fibers, films, membranes, and molded articles, on the basis of their high...
|
|
|
7833313 |
Method for manufacturing polyimide asymmetric membrane, and polyimide asymmetric membrane
A process of producing an asymmetric membrane of multicomponent polyimide. The process includes the steps of (1) preparing a multicomponent polyimide blend solution by mixing a polyimide component...
|
|
|
7815712 |
Method of making high performance mixed matrix membranes using suspensions containing polymers and polymer stabilized molecular sieves
The present invention discloses a novel method of making high performance mixed matrix membranes (MMMs) using stabilized concentrated suspensions of solvents, uniformly dispersed polymer stabilized...
|
|
|
7811359 |
Composite membrane for separation of carbon dioxide
A membrane and method for separating carbon dioxide from a mixture of gases, where the membrane includes expanded polytetrafluoroethylene and polysiloxane. The membrane is highly stable and can...
|
|
|
7806962 |
Cross-linkable and cross-linked mixed matrix membranes and methods of making the same
The present invention is for novel high performance cross-linkable and cross-linked mixed matrix membranes and the use of such membranes for separations such as for CO2/CH4, H2/CH4 and...
|
|
|
7785397 |
Highly microporous thermoplastic/bismaleimide semi-interpenetrating polymer network
In order to synthesize semi-interpenetrating polymer networks (semi-IPNs) with molecular sieve characteristics, polyetherimide/bismaleimide (PEI/BMI) chromophore composites were made through...
|
|
|
7771518 |
Asymmetric hollow fiber gas separation membrane and gas separation method
An asymmetric hollow-fiber gas separation membrane is made of a soluble aromatic polyimide that is composed of a specific repeating unit. The tetracarboxylic acid component of the unit has a...
|
|
|
7771521 |
Hyperbranched polyimide-based hybrid material
It is an object of the present invention to provide a polyimide-based hybrid material which is industrially and advantageously utilized because of having better gas permeability, electric...
|
|
|
7758751 |
UV-cross-linked membranes from polymers of intrinsic microporosity for liquid separations
The present invention is for high performance UV-cross-linked membranes from polymers of intrinsic microporosity (PIMs) and the use of such membranes for separations. More specifically, the...
|
|
|
7753991 |
Water transport method and assembly including a thin film membrane for the addition or removal of water from gases or liquids
A water transport assembly, is provided including a housing having a first chamber therein, which is accessible through an opening in the housing. The housing additionally includes a sample inlet...
|
|
|
7708810 |
Carbon nanocomposite membranes and methods for their fabrication
A gas permeable, carbon based, nanocomposite membrane comprises a nanoporous carbon matrix comprising a pyrolyzed polymer, and a plurality of nanoparticles of carbon or an inorganic compound...
|
|
|
7708811 |
Degassing apparatus
A degassing apparatus is provided that accomplishes the connecting of a degassing element and a connecting member and/or the joining of a vacuum (reduced-pressure) chamber and the connecting member...
|
|
|
7699911 |
Ozone resistant O2/N2 separation membranes
Ozone resistant O2/N2 gas separation membranes comprise a polymer membrane and an ozone reacting component, such as an antioxidant. The antioxidant may be included in the support layer of a...
|
|
|
7686867 |
Degasifier
A degasifier is provided in which the deterioration in sealing property (deterioration in airtightness) is prevented while sealing members to be placed between a container and covers that compose a...
|
|
|
7662212 |
Membrane post treatment
The invention relates to polymeric ultrafiltration or microfiltration membranes of, for instance, Halar, PVDF or PP, incorporating PVME or vinyl methyl ether monomers. The PVME may be present as a...
|
|
|
7658784 |
Composite material, in particular composite membrane, and process for the production of the same
Composite materials are provided. A representative material is configured as a composite membrane for gas separation, vapor separation, or pervaporation. The composite membrane comprises at least a...
|
|
|
7637983 |
Metal organic frameworkâpolymer mixed matrix membranes
Metal-organic framework (MOF)-polymer mixed matrix membranes (MOF-MMMs) have been prepared by dispersing high surface area MOFs (e.g. IRMOF-1) into a polymer matrix (e.g. Matrimid 5218). The MOFs...
|
|
|
7632898 |
Polymeric media comprising polybenzimidazoles N-substituted with organic-inorganic hybrid moiety
A PBI compound includes imidazole nitrogens at least a portion of which are substituted with an organic-inorganic hybrid moiety may be included in a separatory medium. At least 85% of the imidazole...
|
|
|
7628841 |
Method for manufacturing polyimide asymmetric membrane, and polyimide asymmetric membrane
A process of producing an asymmetric membrane of multicomponent polyimide. The process includes the steps of (1) preparing a multicomponent polyimide blend solution by mixing a polyimide component...
|
|
|
7621982 |
Liquid-gas separator for direct liquid feed fuel cell
A liquid-gas separator for a direct liquid feed fuel cell includes a tube having an opening portion at a sidewall thereof; liquid extracting members that selectively transmit the liquid in the tube...
|
|
|
7615104 |
Fuel deoxygenation system with multi-layer oxygen permeable membrane
A fuel system for an energy conversion device includes a deoxygenator system with an oxygen permeable membrane formed from a multiple of layers. The layers include a sealant layer, an oxygen...
|
|
|
7604746 |
Pervaporation composite membranes
The present application discloses a composite membrane comprising (a) a support member that has a plurality of pores extending through the support member and (b) a cross-linked copolymer comprising...
|
|
|
7591878 |
Membrane gas separation
The invention relates to gas separation, in particular to separation of CO2 from CO2-rich liquids, particularly from CO2 absorption liquids used in the removal of CO2 from off-gases or product...
|
|
|
7572321 |
Membrane, method of making same and heat exchanger furnished with said membrane
A membrane 12 that exhibits superior condensation resistance regardless of the type of moisture-permeable resin, that has satisfactory adhesion between a porous film and a reinforcing member, and...
|
|
|
7556677 |
Solvent resistant asymmetric integrally skinned membranes
There is provided an asymmetric integrally skinned membrane comprising a polyimide and another polymer selected from the group consisting of polyvinylpyrrolidone, sulfonated polyetheretherketones...
|
|
|
7510595 |
Metal oxide nanoparticle filled polymers
The present invention includes a method, composition and apparatus for forming a nanoparticle filled polymer having similar gas selectivity and greater gas permeability than the native polymer. The...
|
|
|
7497896 |
Method of treating a gas mixture comprising propane and propylene
Methods for treating a gas mixture of at least propylene and propane, in order to separate the propylene from the propane. The gas mixture is brought into contact with a membrane enables the...
|