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Maruzen Petrochemical Co Ltd
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Maruzen Petrochemical Co Ltd patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Maruzen Petrochemical Co Ltd-related inventors


 new patent  Method for producing polymer for electronic material and polymer for electronic material obtained by the production method

The method for producing a polymer for an electronic material according to the present invention comprises a polymerization step of obtaining a polymer by polymerizing a monomer(s) and a purification step of adding a strong acid having 0 or less pKa to the polymer solution and subsequently performing an ion... Maruzen Petrochemical Co Ltd

Method for producing alkenyl ether polymer

To provide a method for producing a polymer that is capable of providing an alkenyl ether polymer having a molecular weight, a molecular weight distribution, and a composition that are controlled, with a vinyl ether having a hydroxyl group, and a block copolymer thereof. To provide a polymer obtained by... Maruzen Petrochemical Co Ltd

Method for producing alkenyl ether polymer

To provide a method for producing a polymer that is capable of providing an alkenyl ether polymer having a molecular weight, a molecular weight distribution, and a composition that are controlled, with a vinyl ether having a hydroxyl group, and a block copolymer thereof. To provide a polymer obtained by... Maruzen Petrochemical Co Ltd

Apparatus and producing cyclic carbonate

Disclosed herein are an apparatus and method for continuously producing a cyclic carbonate. The apparatus includes an adiabatic reactor to be filled with a heterogeneous catalyst for reacting an epoxide with carbon dioxide, a circulation path for returning at least a portion of a fluid mixture in a liquid form... Maruzen Petrochemical Co Ltd

Method for producing dimethyl polyvinylphosphonate and polyvinylphosphonic acid

A method for producing poly(dimethyl vinylphosphonate) from a monomer component mainly containing dimethyl vinylphosphonate by anionic polymerization in the presence of an anionic polymerization initiator, the method being characterized in that an aliphatic ether is used as a polymerization solvent, and a method for producing poly(vinylphosphonic acid) characterized in that... Maruzen Petrochemical Co Ltd

Method for producing hydrogenated petroleum resin

(C) a hydrogenation step of hydrogenating the polymerization reaction product, which is obtained in the polymerization step (B), in the presence of a catalyst to obtain a hydrogenated petroleum resin.... Maruzen Petrochemical Co Ltd








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