List of Kureha patents

Patents where

Current Assignee

Name

‌

Kureha

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 10407551 Polyarylene sulfide manufacturing method and polyarylene sulfide manufacturing device	Patent 10407551 was granted and assigned to Kureha on September, 2019 by the United States Patent and Trademark Office.	‌ Kureha	‌ Kureha	United States Patent and Trademark Office	10407551	September 10, 2019
‌ US Patent 6921609 Gradient cathode material for lithium rechargeable batteries	Patent 6921609 was granted and assigned to Kureha on July, 2005 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	6921609	July 26, 2005
‌ US Patent 10556992 Method of manufacturing polyarylene sulfide, and polyarylene	Patent 10556992 was granted and assigned to Kureha on February, 2020 by the United States Patent and Trademark Office.	‌ Kureha	‌ Kureha	United States Patent and Trademark Office	10556992	February 11, 2020
‌ US Patent 10196487 Method of producing polyarylene sulfide	Patent 10196487 was granted and assigned to Kureha on February, 2019 by the United States Patent and Trademark Office.	‌ Kureha	‌ Kureha	United States Patent and Trademark Office	10196487	February 5, 2019
‌ US Patent 7501176 Highly moisture proof film and method of manufacturing the same	Patent 7501176 was granted and assigned to Kureha on March, 2009 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	7501176	March 10, 2009
‌ US Patent 7476712 Film and process for producing the same	Patent 7476712 was granted and assigned to Kureha on January, 2009 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	7476712	January 13, 2009
‌ US Patent 10570255 Method of producing polyarylene sulfide	Patent 10570255 was granted and assigned to Kureha on February, 2020 by the United States Patent and Trademark Office.	‌ Kureha	‌ Kureha	United States Patent and Trademark Office	10570255	February 25, 2020
‌ US Patent 7235673 Glycolide production process, and glycolic acid oligomer for glycolide production	Patent 7235673 was granted and assigned to Kureha on June, 2007 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	7235673	June 26, 2007
‌ US Patent 7517946 Production process of poly(arylene sulfide)	Patent 7517946 was granted and assigned to Kureha on April, 2009 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	7517946	April 14, 2009
‌ US Patent 7976919 Multilayer blow molded container and production process thereof	Patent 7976919 was granted and assigned to Kureha on July, 2011 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	7976919	July 12, 2011
‌ US Patent 11383215 Continuous production method for aromatic polymer and continuous production apparatus for aromatic polymer	Patent 11383215 was granted and assigned to Kureha on July, 2022 by the United States Patent and Trademark Office.	‌ Kureha	‌ Kureha	United States Patent and Trademark Office	11383215	July 12, 2022
‌ US Patent 8680230 Production process of poly(arylene sulfide) whose content of terminal halogen group has been reduced	Patent 8680230 was granted and assigned to Kureha on March, 2014 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	8680230	March 25, 2014
‌ US Patent 9068047 Process for producing poly(arylene sulfide), and poly(arylene sulfide) comprising contacting a wash liquid with an alkaline compound	Patent 9068047 was granted and assigned to Kureha on June, 2015 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	9068047	June 30, 2015
‌ US Patent 10227429 Vinylidene fluoride copolymer, method for producing the same, gel electrolyte, and non-aqueous battery	Patent 10227429 was granted and assigned to Kureha on March, 2019 by the United States Patent and Trademark Office.	‌ Kureha	‌ Kureha	United States Patent and Trademark Office	10227429	March 12, 2019
‌ US Patent 7569145 Vinylidene fluoride based resin porous hollow yarn and method for production thereof	Patent 7569145 was granted and assigned to Kureha on August, 2009 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	7569145	August 4, 2009
‌ US Patent 7754848 Poly (arylene sulfide) and production process thereof	Patent 7754848 was granted and assigned to Kureha on July, 2010 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	7754848	July 13, 2010
‌ US Patent 9339778 Column-type solid-liquid countercurrent contact apparatus, solid particle washing apparatus, and method	Patent 9339778 was granted and assigned to Kureha on May, 2016 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	9339778	May 17, 2016
‌ US Patent 8356393 Method for manufacturing a polymeric piezoelectric film	Patent 8356393 was granted and assigned to Kureha on January, 2013 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	8356393	January 22, 2013
‌ US Patent 7771668 Continuous operation type active charcoal producing apparatus and process	Patent 7771668 was granted and assigned to Kureha on August, 2010 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	7771668	August 10, 2010
‌ US Patent 8981041 Production process of poly(arylene sulfide) and production apparatus thereof	Patent 8981041 was granted and assigned to Kureha on March, 2015 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	8981041	March 17, 2015
‌ US Patent 8211997 Process for producing polyarylene sulfide	Patent 8211997 was granted and assigned to Kureha on July, 2012 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	8211997	July 3, 2012
‌ US Patent 7220817 Process for producing polyarylene sulfide	Patent 7220817 was granted and assigned to Kureha on May, 2007 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	7220817	May 22, 2007
‌ US Patent 7767783 Poly (arylene sulfide) and production process thereof	Patent 7767783 was granted and assigned to Kureha on August, 2010 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	7767783	August 3, 2010
‌ US Patent 9236612 Positive electrode mixture for nonaqueous battery and positive electrode structure	Patent 9236612 was granted and assigned to Kureha on January, 2016 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	9236612	January 12, 2016
‌ US Patent 8183336 Poly (arylene sulfide)	Patent 8183336 was granted and assigned to Kureha on May, 2012 by the United States Patent and Trademark Office.		‌ Kureha	United States Patent and Trademark Office	8183336	May 22, 2012

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