Assignee
SNF GROUP
FR·28 granted patents·26 pending applications·4 citations·filing 2018–2025
Top patents by PatentIndex Score
54 records- 0192US11629211B2Additive based on water-soluble polymers and uses thereofSNF GROUP·Filed 2020·Granted Apr 18, 2023·2 cites·20 claims
- 0287US2026035343A1Novel sulfobetaine monomers, process for preparing same, and uses thereofSNF GROUP·Filed 2025·Application pending·0 cites
- 0385US11802109B2Method for the purification of acrylamido-2-methyl-2-propanesulphonic acidSNF GROUP·Filed 2021·Granted Oct 31, 2023·1 cites·18 claims
- 0482US12269789B2Method for obtaining bio-sourced N-vinylformamideSNF GROUP·Filed 2022·Granted Apr 8, 2025·0 cites·3 claims
- 0581US11773199B2Auto-invertible inverse polymer emulsionSNF GROUP·Filed 2022·Granted Oct 3, 2023·0 cites·17 claims
- 0676US11634664B2Method for preparing an inverse emulsion comprising two cationic polymersSNF GROUP·Filed 2020·Granted Apr 25, 2023·1 cites·17 claims
- 0775US11987744B2Method for modifying the water permeability of a subterranean formationSNF GROUP·Filed 2023·Granted May 21, 2024·0 cites·11 claims
- 0875US11767381B22-dimethylaminoethyl acrylate polymers and their preparation methodSNF GROUP·Filed 2022·Granted Sep 26, 2023·0 cites·20 claims
- 0974US2025085049A1Apparatus and method for producing dry iceSNF GROUP·Filed 2024·Application pending·0 cites
- 1071US2025164119A1System and method for heating waterSNF GROUP·Filed 2024·Application pending·0 cites
- 1170US2025243150A1Method for obtaining bio-sourced n-vinylformamideSNF GROUP·Filed 2025·Application pending·0 cites
- 1267US12030832B2Dialkyl tin oxide composition and process for producing 2-dimethylaminoethyl (meth)acrylateSNF GROUP·Filed 2021·Granted Jul 9, 2024·0 cites·5 claims
- 1367US2024034822A1Cationic polyacrylamides with micro-block structureSNF GROUP·Filed 2023·Application pending·0 cites
- 1467US2025189174A1Heating apparatus and method for industrial useSNF GROUP·Filed 2024·Application pending·0 cites
- 1564US12459889B2Sulfobetaine monomers, process for preparing same, and uses thereofSNF GROUP·Filed 2020·Granted Nov 4, 2025·0 cites·2 claims
- 1664US12209219B2Composition for oil and gas recoverySNF GROUP·Filed 2020·Granted Jan 28, 2025·0 cites·20 claims
- 1763US2025197896A1Head space / gas chromatography for reaction monitoring of acrylamide synthesisSNF GROUP·Filed 2024·Application pending·0 cites
- 1863US2024093021A1Multi-phase suspension of a water-soluble polymerSNF GROUP·Filed 2021·Application pending·0 cites
- 1962US12365754B2Polymer and method for the preparation thereofSNF GROUP·Filed 2023·Granted Jul 22, 2025·0 cites·20 claims
- 2061US12534614B2Binder composition for iron ore agglomerationSNF GROUP·Filed 2023·Granted Jan 27, 2026·0 cites·16 claims
- 2161US12421330B2Polymer and its preparation methodSNF GROUP·Filed 2023·Granted Sep 23, 2025·0 cites·20 claims
- 2261US11767460B2Method for modifying the water permeability of a subterranean formationSNF GROUP·Filed 2020·Granted Sep 26, 2023·0 cites·13 claims
- 2361US2025171328A1Vanadium oxide extraction from bayer processSNF GROUP·Filed 2024·Application pending·0 cites
- 2460US2024279154A1Process for obtaining bio-sourced diallyldialkylammonium halideSNF GROUP·Filed 2022·Application pending·0 cites
- 2560US2024239933A1Method for obtaining a bio-sourced-monomer from renewable dimethylaminoethanolSNF GROUP·Filed 2022·Application pending·0 cites
- 2660US2024279397A1Bio-sourced cationic high charge density polymerSNF GROUP·Filed 2022·Application pending·0 cites
- 2760US2024132711A1High molecular weight anionic polyacrylamidesSNF GROUP·Filed 2023·Application pending·0 cites
- 2858US12331147B2Polymer and its preparation methodSNF GROUP·Filed 2023·Granted Jun 17, 2025·0 cites·20 claims
- 2958US12134860B2Method for manufacturing paper and cardboardSNF GROUP·Filed 2022·Granted Nov 5, 2024·0 cites·20 claims
- 3058US2023272129A1Polymer of 2-acrylamido-2-methylpropane sulfonic acid or the salts thereofSNF GROUP·Filed 2021·Application pending·0 cites
- 3157US2025136484A1Method for treating suspensions of mineral particlesSNF GROUP·Filed 2022·Application pending·0 cites
- 3257US2024132644A1Macromonomer, method for obtaining same and copolymer containing sameSNF GROUP·Filed 2021·Application pending·0 cites
- 3357US2024254384A1Method for obtaining bio-sourced (meth)allylsulfonate alkali saltSNF GROUP·Filed 2022·Application pending·0 cites
- 3456US11787889B2Process for the preparation of polyacrylamides using an eco-friendly lubricant compositionSNF GROUP·Filed 2021·Granted Oct 17, 2023·0 cites·20 claims
- 3556US2025186954A1Polymer dissolution equipment suitable for large hydraulic fracturing operationsSNF GROUP·Filed 2024·Application pending·0 cites
- 3656US2023240952A1Use, in aqueous-alcoholic compositions, of a copolymer obtained by precipitation polymerizationSNF GROUP·Filed 2021·Application pending·0 cites
- 3755US12234609B2Method for manufacturing paper and cardboardSNF GROUP·Filed 2021·Granted Feb 25, 2025·0 cites·20 claims
- 3854US12098325B2Method for modifying the water permeability of a subterranean formationSNF GROUP·Filed 2020·Granted Sep 24, 2024·0 cites·20 claims
- 3953US2024034678A1Method for inerting clays in hydraulic compositions intended for the construction industrySNF GROUP·Filed 2021·Application pending·0 cites
- 4052US12453944B2Device for dispersing water-soluble polymersSNF GROUP·Filed 2022·Granted Oct 28, 2025·0 cites·12 claims
- 4152US12404446B2Dispersion of water-soluble polymer for hydraulic fracturingSNF GROUP·Filed 2022·Granted Sep 2, 2025·0 cites·12 claims
- 4252US2025002625A1Thickening polymeric composition for cosmetic and detergent compositionsSNF GROUP·Filed 2022·Application pending·0 cites
- 4352US2024269048A1Cosmetic and detergent composition comprising a polymeric composition of a water-soluble polymer enveloped within another polymerSNF GROUP·Filed 2022·Application pending·0 cites
- 4450US2024376672A1Method for manufacturing paper and cardboardSNF GROUP·Filed 2022·Application pending·0 cites
- 4549US12516235B2Cementitious composition comprising a polymeric micro-gel as an anti-gas migration agentSNF GROUP·Filed 2023·Granted Jan 6, 2026·0 cites·17 claims
- 4649US12195920B2Process for manufacturing paper or cardboardSNF GROUP·Filed 2020·Granted Jan 14, 2025·0 cites·18 claims
- 4749US2024082139A1Use in an aqueous-alcoholic composition of polymers obtained by low-concentration inverse emulsion polymerisation with low neutralised monomer levelSNF GROUP·Filed 2022·Application pending·0 cites
- 4848US11718783B2Method for preparing a composition comprising a hydrosoluble (co)polymer encapsulated in a shell and use of this composition in assisted oil and gas recoverySNF GROUP·Filed 2018·Granted Aug 8, 2023·0 cites·20 claims
- 4946US12553186B2Process for manufacturing paper or cardboardSNF GROUP·Filed 2021·Granted Feb 17, 2026·0 cites·15 claims
- 5046US2025263507A1Polymer of 2-acrylamido-2-methylpropane sulphonic acid and use thereofSNF GROUP·Filed 2022·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
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