Patent assignee · DE · COMPANY

RHODIA ACETOW GMBH

25Patents
13Active
25Granted
44Portfolio score

Filing activity: Jan 2, 1997 → Jun 3, 2022 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6207601A Melt-blown nonwoven fabric, process for producing same and the uses thereof Emerging Cross-Sectional Technologies 73 Expired
US5939544A Process for activating polysaccharides, polysaccharides produced by this process, and use thereof Textiles; Paper 54 Expired
US6416621B1 Apparatus, process and pressure reactor for the treatment of solids with pressurized liquid gases Performing Operations; Transporting 43 Expired
US7198695B2 Method for separating hemicelluloses from a biomass containing hemicelluloses and biomass and hemicelluloses obtained by said method Chemistry; Metallurgy 19 Expired
US6555678B1 Method for preparing a regenerated cellulose fibre or yarn Textiles; Paper 15 Expired
US6145511A Filter cigarette Human Necessities 13 Expired
US6776168B1 Disintegratable cigarette filter Human Necessities 10 Expired
US6348590B1 Method for improving the exploitability and processability of guar endosperm and products obtained using said method Human Necessities 5 Expired
US6177194A Cellulose acetate filaments with a trilobal cross section Emerging Cross-Sectional Technologies 5 Expired
US6392035B1 Reactive cellulose and method for making same Chemistry; Metallurgy 4 Expired
US5860201A Multiple width fiber strip and method and apparatus for its production Emerging Cross-Sectional Technologies 3 Expired
US10626193B2 Acylation process Emerging Cross-Sectional Technologies 1 Active
US11352716B2 Polymer composition comprising basic additive, process and articles comprising said polymer composition Textiles; Paper 1 Active
US11920260B2 Polymer composition comprising basic additive, process and articles comprising said polymer composition Textiles; Paper 1 Active
US5776404A Method of making multiple width fiber strip Emerging Cross-Sectional Technologies 1 Expired
US10538597B2 Acylation process Emerging Cross-Sectional Technologies 1 Active
US10851214B2 Polymer gels, method of preparation and uses thereof Chemistry; Metallurgy 1 Active
US10793305B2 Method for producing a packed filter tow bale Performing Operations; Transporting 0 Active
US11618830B2 Acylated starch derivatives and use thereof Chemistry; Metallurgy 0 Active
US10104907B2 Highly cohesive composite polymer materials, preparation thereof and, E.G., cigarette filters comprising same Performing Operations; Transporting 0 Active
US10017449B2 Process for the recovery of carboxylic acid and wood treatment process Emerging Cross-Sectional Technologies 0 Active
US8769785B2 Method for producing multiple fibre strips in parallel and apparatus for executing said method Textiles; Paper 0 Active
US11254834B2 Coating or inks compositions comprising starch derivatives, their uses and substrates comprising such compositions Performing Operations; Transporting 0 Active
US11028035B2 Method and device for purifying acetone/water mixtures by means of double-effect distillation Chemistry; Metallurgy 0 Active
US10106485B2 Process for the manufacture of carboxylic anhydride Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.