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List of Stepan Company patents

Patents where

Current Assignee

Name

Stepan Company

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 10435618 Surfactants for enhanced oil recovery	Patent 10435618 was granted and assigned to Stepan Company on October, 2019 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	10435618	October 8, 2019
‌ US Patent 8403044 Sulfonated internal olefin surfactant for enhanced oil recovery	Patent 8403044 was granted and assigned to Stepan Company on March, 2013 by the United States Patent and Trademark Office.		Stepan Company	United States Patent and Trademark Office	8403044	March 26, 2013
‌ US Patent 11274242 Friction reducer for hydraulic fracturing		Stepan Company	Stepan Company	United States Patent and Trademark Office	11274242	March 15, 2022
‌ US Patent 11879093 Corrosion-inhibiting surfactants	Patent 11879093 was granted and assigned to Stepan Company on January, 2024 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	11879093	January 23, 2024
‌ US Patent 8222455 Polycationic viscoelastic compositions	Patent 8222455 was granted and assigned to Stepan Company on July, 2012 by the United States Patent and Trademark Office.		Stepan Company	United States Patent and Trademark Office	8222455	July 17, 2012
‌ US Patent 9777248 Aqueous hard surface cleaners based on monounsaturated fatty amides	Patent 9777248 was granted and assigned to Stepan Company on October, 2017 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	9777248	October 3, 2017
‌ US Patent 9573884 Imidazoline amides and derivitives from natural oil metathesis	Patent 9573884 was granted and assigned to Stepan Company on February, 2017 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	9573884	February 21, 2017
‌ US Patent 10590749 Steam foam methods for steam-assisted gravity drainage	Patent 10590749 was granted and assigned to Stepan Company on March, 2020 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	10590749	March 17, 2020
‌ US Patent 9187712 Alkoxylated fatty esters and derivatives from natural oil metathesis	Patent 9187712 was granted and assigned to Stepan Company on November, 2015 by the United States Patent and Trademark Office.		Stepan Company	United States Patent and Trademark Office	9187712	November 17, 2015
‌ US Patent 11543810 Systems and methods for computer vision assisted foam board processing	Patent 11543810 was granted and assigned to Stepan Company on January, 2023 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	11543810	January 3, 2023
‌ US Patent 11439145 Agricultural compositions containing structured surfactant systems		Stepan Company	Stepan Company	United States Patent and Trademark Office	11439145	September 13, 2022
‌ US Patent 11584872 Low VOC polyurethane adhesive	Patent 11584872 was granted and assigned to Stepan Company on February, 2023 by the United States Patent and Trademark Office.		Stepan Company	United States Patent and Trademark Office	11584872	February 21, 2023
‌ US Patent 8053400 Liquid cleansing composition comprising a ternary mixture of anionic surfactants	Patent 8053400 was granted and assigned to Stepan Company on November, 2011 by the United States Patent and Trademark Office.		Stepan Company	United States Patent and Trademark Office	8053400	November 8, 2011
‌ US Patent 7774978 Method of controlling the release of agricultural active ingredients from treated plant seeds	Patent 7774978 was granted and assigned to Stepan Company on August, 2010 by the United States Patent and Trademark Office.		Stepan Company	United States Patent and Trademark Office	7774978	August 17, 2010
‌ US Patent 8119588 Hard surface cleaner compositions of sulfonated estolides and other derivatives of fatty acids and uses thereof	Patent 8119588 was granted and assigned to Stepan Company on February, 2012 by the United States Patent and Trademark Office.		Stepan Company	United States Patent and Trademark Office	8119588	February 21, 2012
‌ US Patent 10322994 Fatty amides and derivatives from natural oil metathesis	Patent 10322994 was granted and assigned to Stepan Company on June, 2019 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	10322994	June 18, 2019
‌ US Patent 9708251 Unsaturated fatty alcohol alkoxylates from natural oil metathesis	Patent 9708251 was granted and assigned to Stepan Company on July, 2017 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	9708251	July 18, 2017
‌ US Patent 9828570 Fatty amines, amidoamines, and their derivatives from natural oil metathesis	Patent 9828570 was granted and assigned to Stepan Company on November, 2017 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	9828570	November 28, 2017
‌ US Patent 9416099 Quaternized fatty amines, amidoamines and their derivatives from natural oil metathesis	Patent 9416099 was granted and assigned to Stepan Company on August, 2016 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	9416099	August 16, 2016
‌ US Patent 7423167 Ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids	Patent 7423167 was granted and assigned to Stepan Company on September, 2008 by the United States Patent and Trademark Office.		Stepan Company	United States Patent and Trademark Office	7423167	September 9, 2008
‌ US Patent 8338358 Compositions comprising sulfonated estolides and alkyl ester sulfonates, methods of making them, and compositions and processes employing them	Patent 8338358 was granted and assigned to Stepan Company on December, 2012 by the United States Patent and Trademark Office.		Stepan Company	United States Patent and Trademark Office	8338358	December 25, 2012
‌ US Patent 11472994 Demulsifying method for drilling fluids	Patent 11472994 was granted and assigned to Stepan Company on October, 2022 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	11472994	October 18, 2022
‌ US Patent 9695385 Surfactants based on monounsaturated fatty alcohol derivatives	Patent 9695385 was granted and assigned to Stepan Company on July, 2017 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	9695385	July 4, 2017
‌ US Patent 11560530 Surfactants based on monounsaturated fatty alcohol derivatives	Patent 11560530 was granted and assigned to Stepan Company on January, 2023 by the United States Patent and Trademark Office.	Stepan Company	Stepan Company	United States Patent and Trademark Office	11560530	January 24, 2023
‌ US Patent 9056964 Preparation of antiplasticizers for thermoplastic polyesters	Patent 9056964 was granted and assigned to Stepan Company on June, 2015 by the United States Patent and Trademark Office.	Stepan	Stepan Company	United States Patent and Trademark Office	9056964	June 16, 2015

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