HELLSTEN; Martin

Patent Applications and Registrations

Patent applications and USPTO patent grants for HELLSTEN; Martin.The latest application filed is for "additive for preserving the fluidity of fluids containing gas hydrates".

Company Profile

0.12.8

HELLSTEN; Martin - Oedsmal SE
Hellsten; Martin - Odsmal SE
Hellsten, Martin - Odasmal SE
Hellsten; Martin - Odsm.ang.l SE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Additive For Preserving The Fluidity Of Fluids Containing Gas Hydrates App 20140256998 - HELLSTEN; Martin ; et al.	2014-09-11
Additive for preserving the fluidity of fluids containing gas hydrates Grant 8,821,754 - Hellsten , et al. September 2, 2	2014-09-02
Method for preventing the formation of calcium carboxylate deposits in the dewatering process for crude oil/water streams Grant 8,653,009 - Hellsten , et al. February 18, 2	2014-02-18
Drag-reducing Agent For Use In Injection Water At Oil Recovery App 20130053285 - Hellsten; Martin ; et al.	2013-02-28
Use of a zwitterionic surfactant together with an anionic ether-containing surfactant as a drag-reducing agent Grant 8,375,971 - Hellsten , et al. February 19, 2	2013-02-19
Use of a zwitterionic surfactant together with an anionic ether-containing surfactant as a drag-reducing agent App 20110247699 - Hellsten; Martin ; et al.	2011-10-13
Zwitterionic surfacant together with an anionic ether-containing surfactant as a drag-reducing agent Grant 7,987,866 - Hellsten , et al. August 2, 2	2011-08-02
Method for preventing the formation of calcium carboxylate deposits in the dewatering process for crude oil/water streams App 20100137167 - Hellsten; Martin ; et al.	2010-06-03
Additive for preserving the fluidity of fluids containing gas hydrates App 20090114879 - Hellsten; Martin ; et al.	2009-05-07
Drag-reducing agent for use in injection water at oil recovery App 20050227876 - Hellsten, Martin ; et al.	2005-10-13
Zwitterionic surfacant together with an anionic either-containing surfactant as a drag-reducing agent App 20040077734 - Hellsten, Martin ; et al.	2004-04-22
Drag reduction of a heat-distributing water-based liquid contaning large amounts of anti-freeze App 20040069342 - Hellsten, Martin ; et al.	2004-04-15
Use of a betaine surfactant together with an anionic surfactant as a drag-reducing agent Grant 5,902,784 - Hellsten , et al. May 11, 1	1999-05-11
Use of an amphoteric surfactant as a friction-reducing agent Grant 5,700,766 - Hellsten , et al. December 23, 1	1997-12-23
Use of alkoxylated alkanolamide as friction-reducing agent Grant 5,339,855 - Hellsten , et al. August 23, 1	1994-08-23
Froth flotation process and collector therefor Grant 4,828,687 - Hellsten , et al. May 9, 1	1989-05-09
Detergent Compositions Containing A Sequestrant And Optionally A Bleaching Agent Having A Reduced Tendency To Attack Copper, Zinc And Aluminum Grant 3,655,569 - Hellsten , et al. April 11, 1	1972-04-11

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