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US 6,649,701 B1Granted
Polymer and process for producing polymer
AssigneeKaneka Corporation
InventorsYoshiki Nakagawa, Nao Fujita
Life of this patent
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Abstract
The present invention has for its object to provide a polymer available upon coupling of polymers of radical-polymerizable olefin monomer or monomers and a process for producing said polymer. The present invention is concerned with a method for effecting polymer-polymer coupling in the living radical polymerization of a radical-polymerizable olefin monomer which comprises adding a compound having at least two sparingly radical-polymerizable alkenyl groups during or after polymerization.
Claims22
A method of effecting polymer-polymer coupling in the living radical polymerization of a radical-polymerizable olefin monomer
- which comprises adding a compound having at least two sparingly radical-polymerizable alkenyl groups during or after the polymerization.
Dependencies are inferred from the claim text.