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681 results about "Active polymer" patented technology

Modified polymers prepared with lanthanide-based catalysts

InactiveUS6977281B1Active polymerLanthanide
A method for preparing a functionalized polymer comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, where said pseudo-living polymer is characterized by having greater than about 85 percent of the polymer in the cis microstructure and less than about 3 percent of the polymer is in the 1,2- or 3,4-microstructure, and reacting the pseudo-living polymer with at least one functionalizing agent defined by the formula (I) or (II)
where Z is a substituent that will react or interact with organic or inorganic fillers; R1 is a single bond or a divalent organic group; R2 is a monovalent organic group or a divalent organic group that forms a cyclic organic group with R13 or R14; R3 is a single bond, a divalent organic group, or a trivalent organic group that forms a cyclic organic group with R4 or R5; R13 is a single bond, a divalent organic group, or a trivalent organic group that forms a cyclic organic group with R2 or R14; R4 is a monovalent organic group or a divalent organic group that forms a cyclic organic group with R3 or R5; R14 is a monovalent organic group or a divalent organic group that forms a cyclic organic group with R2 or R13; and R5 is a monovalent organic group or a divalent organic group that forms a cyclic organic group with R3 or R4; with the proviso that each group attached to the imino carbon is attached via a carbon atom and R1, R2, R3, R4, R5, R13, R14 and Z are substituents that will not protonate a pseudo-living polymer.
Owner:BRIDGESTONE CORP

Modified polymers prepared with lanthanide-based catalysts

InactiveUS20060025539A1Active polymerLanthanide
A method for preparing a functionalized polymer comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, where said pseudo-living polymer is characterized by having greater than about 85 percent of the polymer in the cis microstructure and less than about 3 percent of the polymer is in the 1,2- or 3,4-microstructure, and reacting the pseudo-living polymer with at least one functionalizing agent defined by the formula (I) or (II) where Z is a substituent that will react or interact with organic or inorganic fillers; R1 is a single bond or a divalent organic group; R2 is a monovalent organic group or a divalent organic group that forms a cyclic organic group with R13 or R14; R3 is a single bond, a divalent organic group, or a trivalent organic group that forms a cyclic organic group with R4 or R5; R13 is a single bond, a divalent organic group, or a trivalent organic group that forms a cyclic organic group with R2 or R14; R4 is a monovalent organic group or a divalent organic group that forms a cyclic organic group with R3 or R5; R14 is a monovalent organic group or a divalent organic group that forms a cyclic organic group with R2 or R13; and R5 is a monovalent organic group or a divalent organic group that forms a cyclic organic group with R3 or R4; with the proviso that each group attached to the imino carbon is attached via a carbon atom and R1, R2 R3, R4, R5, R13, R14 and Z are substituents that will not protonate a pseudo-living polymer.
Owner:BRIDGESTONE CORP

Method and apparatus for mesoscale deposition of biological materials and biomaterials

Methods and apparatus for the direct deposition or patterning of biological materials and compatible biomaterials. The method is capable of depositing biological materials and biomaterials in a computer defined pattern, and uses aerodynamic focusing of an aerosol stream to deposit mesoscale patterns onto planar or non-planar targets without the use of masks or modified environments. The aerosolized compositions may be processed before deposition (pre-processing) or after deposition on the target (post-processing). Depositable materials include, not are not limited to conductive metal precursors, nanoparticle metal inks, dielectric and resistor pastes, biocompatible polymers, and a range of biomolecules including peptides, viruses, proteinaceous enzymes, extra-cellular matrix biomolecules, as well as whole bacterial, yeast, and mammalian cell suspensions. The targets may be planar or non-planar, and are optionally biocompatible. Applications include biosensor rapid prototyping and microfabrication, lab-on-chip manufacturing, biocompatible electroactive polymer development (ambient temperature bio-production of electronic circuitry), and various additive biomaterial processes for hybrid BioMEMS, Bio-Optics, and microfabrication of biomedical devices.
Owner:OPTOMEC DESIGN CO
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