List of Kemira patents

Patents where

Current Assignee

Name

Kemira

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 9080288 Method for producing paper, board or the like and agglomerate	Patent 9080288 was granted and assigned to Kemira on July, 2015 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	9080288	July 14, 2015
‌ US Patent 9304120 Method and system for analyzing a liquid sample containing particles of solid matter and the use of such a method and system	Patent 9304120 was granted and assigned to Kemira on April, 2016 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	9304120	April 5, 2016
‌ US Patent 10273634 Strength agent, its use and method for increasing strength properties of paper	Patent 10273634 was granted and assigned to Kemira on April, 2019 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	10273634	April 30, 2019
‌ US Patent 11530514 Method for manufacturing a fibrous web	Patent 11530514 was granted and assigned to Kemira on December, 2022 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11530514	December 20, 2022
‌ US Patent 11643782 Method for controlling growth of microorganisms and/or biofilms in an industrial process	Patent 11643782 was granted and assigned to Kemira on May, 2023 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11643782	May 9, 2023
‌ US Patent 9637865 Method for producing polyacrylamide composition	Patent 9637865 was granted and assigned to Kemira on May, 2017 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	9637865	May 2, 2017
‌ US Patent 11535985 Method for manufacture of paper or board and paper or board obtained by the method	Patent 11535985 was granted and assigned to Kemira on December, 2022 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11535985	December 27, 2022
‌ US Patent 10139330 Method and system for analyzing solid matter containing liquids and monitoring or controlling processes containing such liquids	Patent 10139330 was granted and assigned to Kemira on November, 2018 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	10139330	November 27, 2018
‌ US Patent 11427965 Dry strength composition, its use and method for making of paper, board or the like	Patent 11427965 was granted and assigned to Kemira on August, 2022 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11427965	August 30, 2022
‌ US Patent 11339539 Polymer product for improving retention of hydrophobic internal sizing agents in manufacture of paper or board	Patent 11339539 was granted and assigned to Kemira on May, 2022 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11339539	May 24, 2022
‌ US Patent 11536658 Method for determining concentration of polyelectrolytes and phosphonates	Patent 11536658 was granted and assigned to Kemira on December, 2022 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11536658	December 27, 2022
‌ US Patent 11441273 Use of a polymer product for deposit formation control in manufacture of paper or board		Kemira	Kemira	United States Patent and Trademark Office	11441273	September 13, 2022
‌ US Patent 11525218 Barrier coating composition, sheet-like product and its use	Patent 11525218 was granted and assigned to Kemira on December, 2022 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11525218	December 13, 2022
‌ US Patent 9605382 Process for production of paper or board	Patent 9605382 was granted and assigned to Kemira on March, 2017 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	9605382	March 28, 2017
‌ US Patent 11447618 Polymer composition, its use and a surface size		Kemira	Kemira	United States Patent and Trademark Office	11447618	September 20, 2022
‌ US Patent 7915445 Method and arrangement for the preparation of percarboxylic acid	Patent 7915445 was granted and assigned to Kemira on March, 2011 by the United States Patent and Trademark Office.		Kemira	United States Patent and Trademark Office	7915445	March 29, 2011
‌ US Patent 9587038 Manufacturing of microcellulose	Patent 9587038 was granted and assigned to Kemira on March, 2017 by the United States Patent and Trademark Office.		Kemira	United States Patent and Trademark Office	9587038	March 7, 2017
‌ US Patent 11525022 Method for dewatering of biological sludge using a polymeric flocculant	Patent 11525022 was granted and assigned to Kemira on December, 2022 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11525022	December 13, 2022
‌ US Patent 11560323 Compositions of dry acid polymers and uses thereof	Patent 11560323 was granted and assigned to Kemira on January, 2023 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11560323	January 24, 2023
‌ US Patent 11365517 Method for manufacturing a multi-layered paperboard, multi-layered paperboard and composition for use in multi-layered paperboard manufacturing	Patent 11365517 was granted and assigned to Kemira on June, 2022 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11365517	June 21, 2022
‌ US Patent 7595034 Catalytic process for reducing nitrogen oxides in flue gases and reducing agent composition	Patent 7595034 was granted and assigned to Kemira on September, 2009 by the United States Patent and Trademark Office.		Kemira	United States Patent and Trademark Office	7595034	September 29, 2009
‌ US Patent 11279866 Boosters for breakers containing iron compounds	Patent 11279866 was granted and assigned to Kemira on March, 2022 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11279866	March 22, 2022
‌ US Patent 9617170 Water treatment	Patent 9617170 was granted and assigned to Kemira on April, 2017 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	9617170	April 11, 2017
‌ US Patent 11339322 Cross-linked acrylamide polymer or copolymer gel and breaker compositions and methods of use	Patent 11339322 was granted and assigned to Kemira on May, 2022 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11339322	May 24, 2022
‌ US Patent 11492760 Softener composition	Patent 11492760 was granted and assigned to Kemira on November, 2022 by the United States Patent and Trademark Office.	Kemira	Kemira	United States Patent and Trademark Office	11492760	November 8, 2022

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