SNF GROUP
🏢 View company profile →29Patents
25Active
29Granted
57Portfolio score
Filing activity: Jun 2, 1993 → Aug 18, 2023 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5393381A | Process for the manufacture of a paper or a cardboard having improved retention | Textiles; Paper | 33 | Expired |
| US7338107B1 | Tailgate and hinge assembly for pickup truck | Fixed Constructions | 6 | Active |
| US5750614A | Process for preparing stable emulsions of polyelectrolytes of high molecular weight as reverse emulsion | Chemistry; Metallurgy | 6 | Expired |
| US5902455A | Process for improving retention in a process for the manufacture of paper, board and the like, and retaining agent for the application of this process | Chemistry; Metallurgy | 5 | Expired |
| US5653946A | Process for fluidifying aqueous suspensions of red muds in the production of alumina by the bayer process | Chemistry; Metallurgy | 2 | Expired |
| US11629211B2 | Additive based on water-soluble polymers and uses thereof | Chemistry; Metallurgy | 1 | Active |
| US11634664B2 | Method for preparing an inverse emulsion comprising two cationic polymers | Chemistry; Metallurgy | 0 | Active |
| US12331147B2 | Polymer and its preparation method | Textiles; Paper | 0 | Active |
| US11802109B2 | Method for the purification of acrylamido-2-methyl-2-propanesulphonic acid | Chemistry; Metallurgy | 0 | Active |
| US11718783B2 | Method for preparing a composition comprising a hydrosoluble (co)polymer encapsulated in a shell and use of this composition in assisted oil and gas recovery | Chemistry; Metallurgy | 0 | Active |
| US11773199B2 | Auto-invertible inverse polymer emulsion | Chemistry; Metallurgy | 0 | Active |
| US11933151B2 | Installation for the storage and use of water-soluble polymers | Chemistry; Metallurgy | 0 | Active |
| US11787889B2 | Process for the preparation of polyacrylamides using an eco-friendly lubricant composition | Chemistry; Metallurgy | 0 | Active |
| US12234609B2 | Method for manufacturing paper and cardboard | Textiles; Paper | 0 | Active |
| US12365754B2 | Polymer and method for the preparation thereof | Textiles; Paper | 0 | Active |
| US12091480B2 | Method for producing 2-dimethylaminoethyl (meth)acrylate | Emerging Cross-Sectional Technologies | 0 | Active |
| US12145900B2 | Process for filtering 2-acrylamido-2-methylpropane sulfonic acid | Chemistry; Metallurgy | 0 | Active |
| US12404446B2 | Dispersion of water-soluble polymer for hydraulic fracturing | Chemistry; Metallurgy | 0 | Active |
| US11767381B2 | 2-dimethylaminoethyl acrylate polymers and their preparation method | Textiles; Paper | 0 | Active |
| US12098325B2 | Method for modifying the water permeability of a subterranean formation | Chemistry; Metallurgy | 0 | Active |
| US12269789B2 | Method for obtaining bio-sourced N-vinylformamide | Chemistry; Metallurgy | 0 | Active |
| US12378331B2 | Method for synthesising polymers by controlled-radical inverse emulsion polymerisation | Chemistry; Metallurgy | 0 | Active |
| US12421330B2 | Polymer and its preparation method | Textiles; Paper | 0 | Active |
| US12209219B2 | Composition for oil and gas recovery | Chemistry; Metallurgy | 0 | Active |
| US12195920B2 | Process for manufacturing paper or cardboard | Textiles; Paper | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.