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SPCM SA
FR86 patents
Top patents by PatentIndex Score
US10759746B2Sep 1, 2020
Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid
SPCM SA34 citations97
US8383560B2Feb 26, 2013
Method of continuous dissolution of polyacrylamide emulsions for enhanced oil recovery (EOR)
SPCM SA98 citations96
US10647908B2May 12, 2020
Composition for oil and gas recovery
SPCM SA9 citations84
US11535588B2Dec 27, 2022
Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid
SPCM SA4 citations83
US7972478B2Jul 5, 2011
Method of producing high dry strength paper and cardboard and paper and cardboard thus obtained
SPCM SA9 citations80
US7883603B2Feb 8, 2011
Method for making paper and cardboard with high dry strength and resulting papers and cardboards
SPCM SA7 citations80
US9546246B2Jan 17, 2017
Complexes of water-soluble polymers, and uses thereof
SPCM SA10 citations79
US11155749B1Oct 26, 2021
Composition for oil and gas recovery
SPCM SA7 citations76
US9663704B2May 30, 2017
Process for the enhanced recovery of oil by injection of a polymer solution
SPCM SA4 citations71
US10836871B2Nov 17, 2020
Method of preparation of cationic polymers with reduced halides content
SPCM SA2 citations70
US10689809B2Jun 23, 2020
Process for manufacturing paper and board
SPCM SA3 citations70
US9506200B2Nov 29, 2016
Process for manufacturing paper using a base copolymer that has reacted with an aldehyde as a dry strength, retention, drainage and runnability aid
SPCM SA3 citations69
US10975290B2Apr 13, 2021
Method of treating a portion of a subterranean formation with improved water in oil emulsion
SPCM SA2 citations68
US10561597B2Feb 18, 2020
Use in cosmetics of polymers obtained by low-concentration, inverse emulsion polymerisation with a low level of neutralised monomers
SPCM SA2 citations68
US10422731B2Sep 24, 2019
Device for in-line monitoring of the quality of a water-soluble polymer solution manufactured from invert emulsion or powder of said polymer
SPCM SA2 citations68
US9963532B2May 8, 2018
Low-concentration, inverse emulsion obtained by polymerization of weakly neutralized polymers
SPCM SA4 citations68
US9290588B2Mar 22, 2016
Process for low-concentration, inverse emulsion polymerization of weakly neutralized polymers
SPCM SA4 citations68
US10000597B2Jun 19, 2018
Water-soluble hydroxyalkyl polymer obtained by a method of inverse suspension or inverse emulsion polymerisation
SPCM SA2 citations64
US11939522B2Mar 26, 2024
Method for enhancing oil recovery in a subterranean carbonate formation using an injected amphoteric water-soluble polymer
SPCM SA0 citations62
US11535587B2Dec 27, 2022
Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid
SPCM SA0 citations62
US11505634B2Nov 22, 2022
Method for producing anionic water-soluble polymer on the basis of bioacrylamide and acrylic acid
SPCM SA0 citations62
US11365173B2Jun 21, 2022
Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid
SPCM SA0 citations62
US10968171B2Apr 6, 2021
Fracturing fluid comprising a (co)polymer of a hydrated crystalline form of 2-acrylamido-2-methylpropane sulphonic acid and hydraulic fracturing method
SPCM SA0 citations62
US10858566B2Dec 8, 2020
Drilling fluid with improved fluid loss and viscosifying properties
SPCM SA2 citations62
US10669231B2Jun 2, 2020
Method for producing 2-acrylamido-2-methylpropane sulphonic acid
SPCM SA1 citations62
US10662149B2May 26, 2020
Method for producing the 2-acrylamido-2-methylpropane sulfonic acid monomer and polymer comprising said monomer
SPCM SA1 citations62
US7814977B2Oct 19, 2010
Installation for enhanced oil recovery using water-soluble polymers and method of implementing
SPCM SA6 citations61
US11584819B2Feb 21, 2023
Auto-invertible inverse polymer emulsion
SPCM SA0 citations60
US11578255B2Feb 14, 2023
Method for enhanced oil recovery by means of injection of an aqueous polymer composition having monomeric units from an LCST
SPCM SA0 citations60
US11280735B2Mar 22, 2022
Method for determining the anionic charge density of a polymer
SPCM SA1 citations60
US11781271B2Oct 10, 2023
Increasing paper strength by surface treatment
SPCM SA0 citations59
US11608597B2Mar 21, 2023
Complex of polymers, preparation and use
SPCM SA0 citations59
US11370749B2Jun 28, 2022
Method for treating a suspension of solid particles in water using a (co)polymer of a hydrated crystalline form of 2-acrylamido-2-methylpropanesulfonic acid
SPCM SA0 citations59
US11180446B2Nov 23, 2021
Enhanced oil recovery method using a (co)polymer of a hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid
SPCM SA0 citations59
US11046601B2Jun 29, 2021
Method for treating production water from a method for enhanced oil and/or gas recovery
SPCM SA0 citations59
US10889512B2Jan 12, 2021
Method for treating aqueous effluent
SPCM SA0 citations59
US11118101B2Sep 14, 2021
Multiphase polymer suspension and use thereof
SPCM SA1 citations58
US9303359B2Apr 5, 2016
Method for manufacturing paper using a cationic polymer obtained by hofmann degradation
SPCM SA2 citations58
US11287378B2Mar 29, 2022
Method for assaying cationic polymers by time-resolved photoluminescence
SPCM SA1 citations57
US11560510B2Jan 24, 2023
Aqueous fracturing fluid composition and fracturing process using the composition
SPCM SA0 citations56
US9499648B2Nov 22, 2016
Comb polymers which can be used in cosmetics and detergents
SPCM SA2 citations56
US9150675B2Oct 6, 2015
Comb polymers which can be used in cosmetics and detergents
SPCM SA2 citations56
US12043676B2Jul 23, 2024
Method for producing anionic polymers and use as resistance agents in a paper-making method
SPCM SA0 citations54
US11523609B2Dec 13, 2022
Seed treatment using hydroswellable polymer
SPCM SA0 citations53
US11149186B2Oct 19, 2021
Method for enhanced oil recovery by injecting an aqueous polymeric composition containing microgels
SPCM SA0 citations53
US9885161B2Feb 6, 2018
Method for limiting freshet levels and controlling floods
SPCM SA0 citations51
US10161081B2Dec 25, 2018
Sizing composition and process for textile materials
SPCM SA1 citations50
US8343311B2Jan 1, 2013
Method for producing paper and cardboard
SPCM SA1 citations50
US10406498B2Sep 10, 2019
Use of an ampholyte copolymer as colloidal stabilizer
SPCM SA0 citations48
US10132039B2Nov 20, 2018
Process for manufacturing paper using a base copolymer that has reacted with an aldehyde as a dry strength, retention, drainage and runnability aid
SPCM SA0 citations48
Showing the top 50 of 86 patents by PatentIndex Score.