Inventor · disambiguated record
Helmut Meffert
Also filed as: MEFFERT HELMUT
20 granted patents·7 pending applications·353 citations·filing 1998–2008
95Inventor score
Top patents by PatentIndex Score
27 records- 0188US6528089B1Method for producing solid dosing formsBASF AG·Filed 1998·Granted Mar 4, 2003·70 cites·20 claims
- 0282US6497867B2Use of copolymers of monoethylenically unsaturated carboxylic acids as solubilizersBASF AG·Filed 2001·Granted Dec 24, 2002·10 cites·5 claims
- 0377US6552142B1Process for preparing aqueous dispersions of copolymers from hydrophilic and hydrophilic monomers, copolymers obtainable therefrom and uses thereofBASF AKEIENGESELLSCHAFT·Filed 2000·Granted Apr 22, 2003·18 cites·12 claims
- 0476US6284803B1Solid dosage form with polymeric binderBASF AG·Filed 1999·Granted Sep 4, 2001·44 cites·4 claims
- 0576US6075107AUse of copolymers of N-vinylprrolidone in preparations of water-insoluble substancesBASF AG·Filed 1998·Granted Jun 13, 2000·46 cites·39 claims
- 0675US6525156B1Styrene-containing popcorn polymers, method for producing same and utilisationBASF AG·Filed 2000·Granted Feb 25, 2003·13 cites·11 claims
- 0774US6271307B1Use of polyalkylkene oxide-containing graft copolymers as solubilizersBASF AG·Filed 1999·Granted Aug 7, 2001·41 cites·12 claims
- 0873US6677417B2Method for adjusting the particle size of popcorn polymers during popcorn polymerizationBASF AG·Filed 2001·Granted Jan 13, 2004·12 cites·14 claims
- 0971US6436440B1Use of N-vinyllactam-or-N-vinylamine-containing copolymers as matrix for producing solid pharmaceutical and cosmetic presentationsBASF AG·Filed 1999·Granted Aug 20, 2002·38 cites·5 claims
- 1067US7019061B2Polyurethane and the use thereof for modifying rheological propertiesBASF AG·Filed 2001·Granted Mar 28, 2006·7 cites·7 claims
- 1166US7993533B2Method for regenerating an auxiliary filtering agentBASF SE·Filed 2007·Granted Aug 9, 2011·4 cites·16 claims
- 1265US6736981B2Particulate polymers as filter aidsBASF AG·Filed 2002·Granted May 18, 2004·9 cites·7 claims
- 1363US6489422B2Thickeners for surfactant-containing compositionsBASF AG·Filed 2002·Granted Dec 3, 2002·4 cites·10 claims
- 1461US6399679B1Thickeners for surfactant-containing compositionsBASF AG·Filed 1999·Granted Jun 4, 2002·16 cites·18 claims
- 1559US6900165B2Use of cross-linked polyvinylpyrrolidone as a disintegrant in compact, particulate detergents and cleaning agentsBASF AG·Filed 2001·Granted May 31, 2005·4 cites·33 claims
- 1656US7410939B2Cleaning agent composition comprising polymers containing nitrogenBASF AG·Filed 2002·Granted Aug 12, 2008·2 cites·12 claims
- 1754US6939912B2Compositions comprising copolymers of N-vinylcarboxamides and monomers with a hydrophobic radical, and use of these copolymersBASF AG·Filed 2002·Granted Sep 6, 2005·3 cites·11 claims
- 1852US6331294B1Use of copolymers of monoethylenically unsaturated carboxylic acids as solubilizersBASF AG·Filed 1999·Granted Dec 18, 2001·12 cites·9 claims
- 1948US2004146477A1Cosmetic or pharmaceutical agentFiled 2002·Application pending·0 cites
- 2047US2004170832A1Use of anionic polymers that carry urethane and/or urea groups for modifying surfacesFiled 2002·Application pending·0 cites
- 2146US2006035091A1Use of hyperbranched polymers comprising urethane and or urea groups for modifying SurfacesBASF AG·Filed 2003·Application pending·0 cites
- 2244US8420737B2Method for the production of co-extrudates composed of polystyrene and of a crosslinked polyvinylpyrrolidone with reduced residual styrene monomer contentMEFFERT HELMUT·Filed 2007·Granted Apr 16, 2013·0 cites·9 claims
- 2344US8394279B2Method for regenerating a filter aidMEFFERT HELMUT·Filed 2008·Granted Mar 12, 2013·0 cites·17 claims
- 2438US2004248741A1Use of water-soluble or water-dispersible graft polymers comprising polyether blocks as coating materials, matrix formers and/or packaging material for agrochemicalsFiled 2002·Application pending·0 cites
- 2537US2003124233A1Use of insoluble highly crosslinked popcorn polymers as filter aids and/or stabilizersFiled 2002·Application pending·0 cites
- 2637US2003114057A1Use of polymers containing urethane and/or urea groups for the modification of surfacesFiled 2001·Application pending·0 cites
- 2736US2004092671A1Use of modified polyamine amides for hydrophilizing surfacesFiled 2002·Application pending·0 cites
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