SNF SA
7Patents
1Active
7Granted
32Portfolio score
Filing activity: Mar 4, 1994 → Oct 9, 2015
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6797785B1 | Methods for synthesizing polyvinyl amine (PVA) type flocculating and coagulating agents, novel agents thus obtained, uses thereof and improved paper types thus obtained | Textiles; Paper | 36 | Expired |
| US5925714A | Surfactant for self-inverting polyacrylmides | Chemistry; Metallurgy | 21 | Expired |
| US6579417B1 | Flocculation method for making a paper sheet | Textiles; Paper | 4 | Expired |
| US6965052B2 | Synthesis of N-vinyl formamide | Chemistry; Metallurgy | 2 | Expired |
| US6964745B1 | Use of superabsorbent polymers for treating raw skins, corresponding compositions and methods and resulting treated skins | Performing Operations; Transporting | 1 | Expired |
| US7026511B2 | Synthesis of N-vinylformamide | Chemistry; Metallurgy | 1 | Expired |
| US10760399B2 | Chemically enhanced oil recovery method using viscosity-increasing polymeric compounds | Chemistry; Metallurgy | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.