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7368505 |
Graft copolymers
This invention relates to methods of making graft copolymers, and articles having such graft copolymers. The methods may provide better control than in radicalization or photoinitiated...
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7022744 |
Ion exchanger for lipoproteins separation and lipoproteins separation method using the same
A composition useful for separating lipoproteins, such as high density lipoprotein (HDL), low density lipoprotein (LDL), very low density lipoprotein (VLDL) and modified lipoproteins with a high...
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6986960 |
Poly (arylene ether sulfone) having sulfoalkoxy group, process of producing the same, and polymer electrolyte membrane comprising the same
A novel poly(arylene ether sulfone) having a sulfoalkoxy group, which has both of heat resistance and electroconductivity, is suitable as polymer electrolyte membranes used for high performance...
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6919382 |
Preparation and uses of conjugated solid supports for boronic acids
The invention provides novel solid supports comprising dihydroxyalkyl aminoalkyl and dihydroxyalkylaminobenzyl groups, and methods for making and using them. The supports are particularly useful...
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6759442 |
Packing material for solid phase extraction and solid phase extraction method
An object of the present invention is to provide a packing material for solid phase extraction, ensuring excellent recovery of not only a hydrophobic substance but also an ionic substance by having...
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6716889 |
Process for the preparation of strongly basic anion exchangers using ethylene oxide
Reacting weakly basic anion exchangers bearing tertiary amino groups with ethylene oxide under pH control and addition of acid leads to superior strongly basic anion exchangers.
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6569910 |
Ion exchange resins and methods of making the same
Ion exchange resin granules containing a crosslinked polymerized α,β-unsaturated acid, like acrylic acid, or a vinyl monomer containing an amino group, like polyvinylamine, and methods of...
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6465126 |
Binder and/or electrolyte material
A binder and/or electrolyte material and method for production thereof, which material is intended to be used in the preparation of a porous electrode (5) for a cell (100), wherein the binder...
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6420439 |
Crosslinked, non-swellable ampholytic base resins
Described are non-swelling, crosslinked, bead forms of ampholytic base polymers that can be utilized in the chromatographic-type separation of acids from other compounds. Preferred polymers are...
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6403177 |
Use of tetraphenylborate for extraction of ammonium ions and amines from water
A method of removing ammonium ions or amines from contaminated water includes treating the water with sodium tetraphenylborate under acidic conditions. Advantageously, the tetraphenylborate is...
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6340714 |
Chloride-sensitive electrode membrane
A membrane for use in chloride-sensitive electrodes, comprises a polymer matrix with at least one electroactive component. The polymer matrix of the membrane contains an epoxy resin with an amino...
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6059975 |
Bifunctional anion-exchange resins with improved selectivity and exchange kinetics
Disclosed herein are a class of anion exchange resins containing two different exchange sites with improved selectivity and sorptive capability for chemical species in solution, such as heptavalent...
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5936004 |
Strongly basic anion-exchanging molded bodies and a method of manufacturing the same
Anion-exchanging molded bodies and a method of manufacturing the same. The aim is to find anion-exchangers which can be produced in any shape simply, cheaply and reproducibly, without the use of...
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5919832 |
Amine polymer sequestrant and method of cholesterol depletion
An amine polymer includes first and second substituents bound to amines of the polymer. The first substituent includes a hydrophobic moiety. The second substituent includes a quaternary...
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5712347 |
Grafted methylenediphosphonate ion exchange resins
An ion exchange resin is disclosed that is comprised of an insoluble copolymer onto which are grafted pendent groups that provide 1.0 to about 10 mmol/g dry weight phosphorous. The pendent groups...
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5648431 |
Process for the utilization of plastics
A process for utilizing compact or porous plastics is described that comprise in part or totally polyurethane plastics, wherein the process is characterized by the fact that the plastics are...
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5648186 |
Polymer electrolytes having a dendrimer structure
Polymers, oligomers or copolymers, having a dendrimer structure and containing electronegative heteroatoms, such as etheric oxygens, capable of complexing with cationic species, for use in...
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5438077 |
Ion exchange resins containing glycidyl ether spacer groups
An ion exchanger comprising a particle of an insoluble crosslinked polymer having alcoholic hydroxyl groups, as a base material, and a glycidyl-adduct of polyol and/or its oligomer, as a spacer,...
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5141966 |
Metalchelating, hydrophilic polymer
The invention concerns a polymer product for immobilizing of metal ions, adsorption, and the like, with the structure P--X--A--Q wherein P is a hydrophilic polymer with a molecular weight of more...
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4931476 |
Crosslinked polymers and a process for their preparation
Crosslinked polymers which are produced from monomers containing epoxide groups, crosslinking monomers and, where appropriate, other monoethylenically unsaturated monomers are composed of...
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4772635 |
Bead-shaped crosslinked copolymers containing epoxide groups and basic amino groups, a process for their preparation and their use
The invention relates to new bead-shaped crosslinked macroporous copolymers containing epoxide groups and basic amino groups, which are obtainable by reacting polymerizable glycidyl compounds,...
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4557930 |
Anticholesteremic anion exchange resins
This invention relates to an anticholesteremic containing a main ingredient of an anion exchange resin which is a copolymer of an imidazole compound modified with a halomethyl oxirane compound and...
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4451581 |
Ion exchange resin
Thermally regenerable ion exchange resins, which are oxidation resistant, comprising polyetheramines derived from a poly (α-haloepoxyethane) which has been crosslinked and aminated.
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4393145 |
Anionic ion exchange resins with cholesterol-decreasing properties
These resins are in particular non toxic styrene, acrylic or epoxy resins, with strong cholesterol-decreasing properties, which have an apparent density in water of 0.18 to 0.20 g of dry...
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4351922 |
Process for the production of highly water-absorbing but less water-soluble hydrogels
A highly water-absorbing but less water-soluble hydrogel is produced by polymerizing at least one hydrophilic ethylenically unsaturated monomer, e.g., ethylenically unsaturated carboxylic acid,...
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4208309 |
Pearl polymer containing hollow pearls
What is disclosed is a pearl polymer product, a method of making the same, and the use thereof as a carrier for biologically active materials, said product being composed of hollow pearl particles...
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4195138 |
Chelate resins prepared from the cured reaction product of a polyalkylenepolyamine and epoxide
Chelate resins are obtained by introducing an effective amount of chelate active groups into the cured reaction product of an epoxide and a polyalkylenepolyamine. For example, an alkali metal salt...
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4184019 |
Oxidatively stable ion exchange resin condensation product of an epichlorohydrin and a polyamine
An ion exchange resin composition which comprises the reaction product of an epihalohydrin with a polyamine is alkylated. The polyamine has a molecular weight of from about 60 to about 298. This...
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4111856 |
Insoluble resin-metal compound complex prepared by contacting weak base ion exchange resin with solution of metal-ligand
This specification discloses an insoluble resin-metal compound complex, the method for its preparation, and its use in carrying out a catalyzed reaction. The complex is a weak base anion exchange...
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4087391 |
Ion-exchanger alkylsulphonated phenoxy polymers for membranes
A polymer is disclosed having ion exchange properties, and characterized by the presence of units of the formula: ##STR1## optionally associated with units of the formula: ##STR2## in which: R 1 ...
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4032482 |
Process for producing chelating resin and product produced thereby
A process for producing a spherical chelating resin is disclosed. In the production, a prepolymer is prepared in the absence or presence of a solvent by subjecting a poly-N-substituted polyamine...
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4031037 |
Three-dimensional polymeric gel materials containing phosphoric acid residues capable of dissociation and a method for their preparation
Organic three-dimensional polymeric gel-like materials containing covalently bonded phosphoric acid or a derivative thereof and a method for their manufacture. The bonding is accomplished by the...
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4026831 |
Chelating polymers based on bis-epoxides and polyamines or polyimines
Polyaddition polymers comprising the reaction products of bis-epoxy compounds with poly-N-substituted polyamines or poly-N-substituted polyalkylene imines, wherein said poly-N-substituted...
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3883438 |
Absorbent composition
This invention provides an absorbent composition comprising a reactant product of (1) amines or amides; (2) carbon disulfide, or carbonyl sulfide; (3) polyvalent metal ions; and, (4) a...
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3617563 |
PROCESS AND A PRODUCT FOR THE PURIFICATION OF POLLUTED WATER FROM HEAVY METAL IONS PRESENT THEREIN
A product for the pruification of polluted water from heavy metal ions such as lead and mercury, present therein. The process is characterized by treating the water with an ion exchange composition...
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3535288 |
CATIONIC POLYAMIDE-EPICHLOROHYDRIN RESINS
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3526475 |
DIETHYLAMINOETHYLATED CELLULOSE-EPOXIDE REACTION PROCESS
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3494719 |
FORMATION OF DIQUATERNARY SALT LINKAGES BETWEEN TWO CELLULOSE UNITS BY REACTING DIETHYLAMINOETHYLATED COTTON WITH EPICHLOROHYDRIN
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3410811 |
Porous weak base anion exchange resins from polyvinyl chloride and amines
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3335112 |
Epoxy resin systems and latent catalysts therefor
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3293195 |
Ion exchange resins prepared from a mixed resin of vinyl pyridine copolymers and epihalohydrins-polyalkylene polyamines and methods of making and using same
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3284238 |
Novel gel compositions and methods for preparation thereof
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3213044 |
Process of preparing a resinous microcapillary body and product obtained therefrom
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3137659 |
Weakly basic anion exchange resins
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3092617 |
Weakly basic anion exchange resins
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2926154 |
Cationic thermosetting polyamide-epichlorohydrin resins and process of making same
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2915502 |
Derivatives of aldehyde condensation products of the aminotriazine or urea group, and their manufacture and use
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2898310 |
Highly-basic anion exchange resins from epihalohydrins and tertiary - amino containing alkylenepolyamines
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2898309 |
Anion exchange resins from epihalohydrin and polyalkylenepolyamines
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2862893 |
Preparation of strongly basic anionexchange resins from chlorohydrin esters of acrylic type acids
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