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Atrp Solutions Inc patents


Recent patent applications related to Atrp Solutions Inc. Atrp Solutions Inc is listed as an Agent/Assignee. Note: Atrp Solutions Inc may have other listings under different names/spellings. We're not affiliated with Atrp Solutions Inc, we're just tracking patents.

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Control over controlled radical polymerization processes

A procedure for improved temperature control in controlled radical polymerization processes is disclosed. The procedure is directed at controlling the concentration of the persistent radical in atrp and nmp polymerizations procedures and the concentration of radicals in a raft polymerization process by feeding a reducing agent or radical precursor continuously or intermittently to the reaction medium through one of more ports.. ... Atrp Solutions Inc

Dual-mechanism thickening agents for hydraulic fracturing fluids

The present invention relates to multi-arm star macromolecules which are used as thickening agents or rheology modifiers, including use in hydraulic fracturing fluid compositions. In one aspect of the invention, a star macromolecule is capable of thickening via a dual mechanism comprising (1) self-assembly of the hydrophobic polymerized segments of the star macromolecules via hydrophobic interactions or associations, and (2) association, reaction, or combination of the hydroxyl-containing polymerized segments of one or more of the star macromolecules.. ... Atrp Solutions Inc

Surfactant-compatible star macromolecules

The present invention relates to multi-arm surfactant-system thickening star macromolecules, and methods of preparing and using the same. In one aspect of the invention, a surfactant-system thickening star macromolecule is capable of providing surfactant-compatibility, increase the viscosity of a surfactant-containing system, and/or temperature-stability to an aqueous composition.. ... Atrp Solutions Inc

Salt-tolerant star macromolecules

The present invention relates to multi-arm salt-tolerant star macromolecules, and methods of preparing and using the same. In one aspect of the invention, a salt-tolerant star macromolecule is capable of providing salt-tolerance to an aqueous composition.. ... Atrp Solutions Inc

Oil soluble rheology modifying star macromolecules

Oil soluble rheology modifying star macromolecules having a core and five or more polymeric arms, and compositions comprising the same. The polymeric arms on a star are covalently attached to the core of the star; each polymeric arm comprises one or more (co)polymer segments; and each polymeric arm comprises a monomeric unit of a methyl methacrylate. ... Atrp Solutions Inc

Oil soluble rheology modifying star macromolecules

Oil soluble rheology modifying star macromolecules having a core and five or more polymeric arms, and compositions comprising the same. The polymeric arms on a star are covalently attached to the core of the star; each polymeric arm comprises one or more (co)polymer segments; and at least one polymeric arm and/or at least one polymeric segment exhibits a different solubility from at least one other polymeric arm or one other polymeric segment, respectively, in a reference liquid of interest. ... Atrp Solutions Inc








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