54 results about "Chelating polymers" patented technology

Provided herein is a pharmaceutical composition comprising an antagonist, an agonist, a seal coat, and a sequestering polymer, wherein the antagonist, agonist, seal coat and at least one sequestering polymer are all components of a single unit, and wherein the seal coat forms a layer physically separating the antagonist from the agonist from one another. Methods for manufacturing such a pharmaceutical composition are also provided.

Provided herein is a pharmaceutical composition comprising an antagonist, an agonist, a seal coat, and a sequestering polymer, wherein the antagonist, agonist, seal coat and at least one sequestering polymer are all components of a single unit, and wherein the seal coat forms a layer physically separating the antagonist from the agonist from one another. Methods for manufacturing such a pharmaceutical composition are also provided.

Provided herein is a pharmaceutical composition comprising an antagonist, an agonist, a seal coat, and a sequestering polymer, wherein the antagonist, agonist, seal coat and at least one sequestering polymer are all components of a single unit, and wherein the seal coat forms a layer physically separating the antagonist from the agonist from one another. Methods for manufacturing such a pharmaceutical composition are also provided. Methods for treating pain using such compositions is also demonstrated.

A composition and method of making the composition are disclosed. The composition contains a titanium chelate polymer and a stabilizer. The method may comprise the steps of: (1) contacting tetraalkyl titanate with a chelating agent to obtain a mixed product containing titanium chelate and alcohol; (2) obtaining a titanium chelate polymer dispersion effectively (3) optionally reducing the alcohol content in the dispersion; and (4) contacting the dispersion with a stabilizing amount of a stabilizer to obtain a titanium chelate polymer stable dispersion.

Provided herein is a pharmaceutical composition comprising an antagonist, an agonist, a seal coat, and a sequestering polymer, wherein the antagonist, agonist, seal coat and at least one sequestering polymer are all components of a single unit, and wherein the seal coat forms a layer physically separating the antagonist from the agonist from one another. Methods for manufacturing such a pharmaceutical composition are also provided. Methods for treating pain using such compositions is also demonstrated.

The invention discloses an electrode material designed to be a dry in place deposit comprising at least one metal chelating polymer; an active material capable of reversibly intercalating lithium ions; a plurality of electrical conductor particles; a binder polymer. The electrode material is formed into a slurry using a non-aqueous solvent. The metal chelating polymer may be a reaction product ofa polyphenolic polymer; an aldehyde, a ketone, or mixtures thereof; and an amine. The electrode material slurry is deposited on a current collector and dried to form a positive electrode in a secondary lithium ion battery. The deposited electrode material has high flexibility, adhesion to the current collector, resistance to electrolyte damage, and low electrical resistance. The electrode materialforms a superior positive electrode at a relatively low additional cost and with no increase in process complexity.

The present invention provides an aqueous opaque coating formulation comprising (A) and aqueous solvent; (B) an inorganic material; and (C) a chelating polymer which comprises units derived from one or more aminocarboxylate compounds or their salts, one or more other polymerizable monomers, one or more ethylenically unsaturated monomers and, optionally, one or more crosslinking monomers. For example, the aminocarboxylate compounds or their salts may be one or more of iminodiacetic acid (IDA), iminodisuccinic acid (IDS), ethylenediamine triacetic acid (ED3A) and ethylenediamine disuccinic acid (EDDS), or their salts. Suitable polymerizable monomers may be one or more of glycidyl methacrylate (GMA), allyl glycidyl ether (AGE), vinylbenzyl chloride (VBC), allyl bromide, and their derivatives. The inorganic material may be a pigment, such as titanium dioxide (Ti02) or cadmium sulfide (CdS), or an extender or filler, such as talc (Mg3Si4Oio(OH)2), calcium carbonate (CaC03) or mica, or even combinations thereof.

The invention discloses preparation and application of sulfonitride heavy metal ion chelating polymer microspheres, relating to the technical field of preparation of functionalized polymer materials and treatment of waste water including heavy metal ions. The sulfonitride heavy metal ion chelating polymer microsphere is synthesized by suspension polymerization with 4-vinylpyridine and polyethylene glycol methacrylate as polymerizing monomers and thiodiglycol dimethacrylate as a cross-linking agent; the cross-linked polymer microsphere contains sulfur and nitrogen functional ligands to enhancethe chelating removal effect for the heavy metal ions, achieve the polymerization and the chelating agent functionalization by one-step method and effectively avoid the release of a chelating agent; and the cross-linked polymer microsphere has excellent mechanical intensity and can be used for filling columns or beds to remove the heavy metal ions. The preparation method is a high-efficient, simple and feasible process flow, is not easy to cause the secondary pollution, and has the advantages of simple structure of required equipment, convenience for operation, low production cost, and easiness in controlling conditions.

The invention relates to a fluorine-containing rare earth nanometre-sized lube oil additive and its process for preparing. The invention comprises adopting organic surface to cover in the preparing nanoparticle course, recognizing the modifying agent as a part of the reaction system while synthesizing the particles, when the particles are formed, the particle surface adsorbs the modifying agent through the interface to form chelate polymer, then the modifying agent is covered on the particle surface evenly and tightly. The grain diameter of the nanoparticle prepared by backward microemulsification in this invention is of 12-17 nm, the rare earth nanoparticle covered by the organic surface can evenly steadily disperse in the base oil and the compounded synergistic effect with lube oil or other additives is good.

The present application offers a solution to the current problems associated with recovery and recycling of precious metals from scrap material, discard articles, and other items comprising one or more precious metals. The solution is premised on a microporous chelating polymeric membrane. Embodiments include, but are not limited to, microporous chelating polymeric membranes, device comprising the membranes, and methods of using and making the same.

An actinyl-selective polymer detects the presence of actinide ions in a solution. An electrode or FET gate surface of a sensor element may be coated or otherwise made to include the actinyl-selective polymer, which preferably includes chelating molecules selective to ions having the general formula MO2X, where M represents any metal in the actinide group and X represents 1+, 2+, or any other charge state, including uranium ions (UO22+), plutonium ions (PuO22+, PuO21+), and thorium ions (ThO21+) and others. The chelating polymer is preferably made by first polymerizing a selected monomer and then derivatizing the polymer with a calix[n]arene rings (where n=4-10) compound, resulting in a high density of chelating molecules on the surface of the polymer, where they are accessible to the solutions being testing and cleansing or rejuvenating solutions.

The present invention provides a floor coating composition comprising (A) and aqueous solvent; and (B) a chelating polymer which comprises units derived from one or more aminocarboxylate compounds or their salts, one or more other polymerizable monomers, one or more ethylenically unsaturated monomers and, optionally, one or more crosslinking monomers. For example, the aminocarboxylate compounds or their salts may be one or more of iminodiacetic acid (IDA), iminodisuccinic acid (IDS), ethylenediamine triacetic acid (ED3A) and ethylenediamine disuccinic acid (EDDS), or their salts. Suitable polymerizable monomers may be one or more of glycidyl methacrylate (GMA), allyl glycidyl ether (AGE), vinylbenzyl chloride (VBC), allyl bromide, and their derivatives.

Provided herein is a pharmaceutical composition comprising an antagonist, an agonist, a seal coat, and a sequestering polymer, wherein the antagonist, agonist, seal coat and at least one sequestering polymer are all components of a single unit, and wherein the seal coat forms a layer physically separating the antagonist from the agonist from one another. Methods for manufacturing such a pharmaceutical composition are also provided.

The invention belongs to the fields of structural design and synthesized preparation of innovative chelate polymer-material antioxidants and particularly relates to an application of a novel chelate antioxidative stabilizer in a high-polymer material and a preparation method for the novel chelate antioxidative stabilizer. The novel chelate antioxidative stabilizer acts dual protective actions. Thepreparation method for the chelate antioxidative stabilizer comprises the steps: (1) adding a compound 1 and epoxy chloropropane, slowly adding sodium hydroxide or potassium hydroxide in batches, carrying out a heat-preserving reaction until the compound 1 reacts fully, and adding 1L of MTBE or DCM or DCE, so as to obtain a colorless oily compound 2; and (2) adding thioalcohol, adding a solvent,carrying out stirring for 30 minutes, adding the compound 2 at the temperature of 5 DEG C to 10 DEG C under nitrogen protection, carrying out ice-bath treatment for half an hour, and slowly adding sodium hydroxide or potassium hydroxide, thereby obtaining a compound 3 or a compound 4. The chelate antioxidative stabilizer not only has a thioether long-acting high-temperature oxidation resisting activity functional group, but also has the function of forming sulfur and hydroxyl coordinated five-membered cyclic complexed metal ions, and this function plays a role in complexed removal of metal ions catalyzing degradation of the high-polymer material.

A p-type transparent conductive oxide (TCO) mixed metal oxide material layer formed upon a substrate has a formula M1xM2yOz generally, CaxCoyOz more specifically, and Ca3Co4O9 most specifically. Embodiments provide that the p-type TCO mixed metal oxide material may be formed absent an epitaxial crystalline relationship with respect to the substrate while using a sol-gel synthesis method that uses a chelating polymer material and not a block copolymer material.

Controlling the formation of crystalline hydrates in various fluid systems, most notably, gas and oil transmission pipeline systems by contacting the systems with certain polymers or polymers associated with solid particles. The polymers useful are chelating polymers capable of interacting with charged gaseous molecules such as carbon dioxide, by removing the carbon dioxide, or more practically by scavenging for the carbon dioxide, to prevent the methane or ethane hydrate structures from forming since they require carbon dioxide to stabilize their structures.