Helmut Meffert
20Patents
6h-index
34Co-inventors
65Inventor score
Filing activity: May 7, 1998 → Mar 14, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6528089B1 | Method for producing solid dosing forms | Human Necessities | 38 | Expired |
| US6436440B1 | Use of N-vinyllactam-or-N-vinylamine-containing copolymers as matrix for producing solid pharmaceutical and cosmetic presentations | Chemistry; Metallurgy | 28 | Expired |
| US6284803A | Solid dosage form with polymeric binder | Human Necessities | 27 | Expired |
| US6271307A | Use of polyalkylkene oxide-containing graft copolymers as solubilizers | Human Necessities | 20 | Expired |
| US6075107A | Use of copolymers of N-vinylprrolidone in preparations of water-insoluble substances | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6552142B1 | Process for preparing aqueous dispersions of copolymers from hydrophilic and hydrophilic monomers, copolymers obtainable therefrom and uses thereof | Chemistry; Metallurgy | 8 | Expired |
| US6677417B2 | Method for adjusting the particle size of popcorn polymers during popcorn polymerization | Chemistry; Metallurgy | 6 | Expired |
| US7019061B2 | Polyurethane and the use thereof for modifying rheological properties | Chemistry; Metallurgy | 6 | Expired |
| US6399679B1 | Thickeners for surfactant-containing compositions | Chemistry; Metallurgy | 5 | Expired |
| US6331294A | Use of copolymers of monoethylenically unsaturated carboxylic acids as solubilizers | Human Necessities | 4 | Expired |
| US6525156B1 | Styrene-containing popcorn polymers, method for producing same and utilisation | Performing Operations; Transporting | 4 | Expired |
| US6497867B2 | Use of copolymers of monoethylenically unsaturated carboxylic acids as solubilizers | Human Necessities | 3 | Expired |
| US6900165B2 | Use of cross-linked polyvinylpyrrolidone as a disintegrant in compact, particulate detergents and cleaning agents | Chemistry; Metallurgy | 2 | Expired |
| US6489422B2 | Thickeners for surfactant-containing compositions | Chemistry; Metallurgy | 2 | Expired |
| US7993533B2 | Method for regenerating an auxiliary filtering agent | Performing Operations; Transporting | 2 | Active |
| US6736981B2 | Particulate polymers as filter aids | Performing Operations; Transporting | 2 | Expired |
| US7410939B2 | Cleaning agent composition comprising polymers containing nitrogen | Chemistry; Metallurgy | 1 | Expired |
| US6939912B2 | Compositions comprising copolymers of N-vinylcarboxamides and monomers with a hydrophobic radical, and use of these copolymers | Chemistry; Metallurgy | 0 | Expired |
| US8394279B2 | Method for regenerating a filter aid | Performing Operations; Transporting | 0 | Active |
| US8420737B2 | Method for the production of co-extrudates composed of polystyrene and of a crosslinked polyvinylpyrrolidone with reduced residual styrene monomer content | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.