Inventor · Schifferstadt, DE

Stephan Kothrade

15Patents
9h-index
30Co-inventors
64Inventor score

Filing activity: Jul 12, 1996 → Jan 21, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6350398B1 Process for producing coated solid dosage forms Human Necessities 47 Expired
US6528089B1 Method for producing solid dosing forms Human Necessities 38 Expired
US6284803A Solid dosage form with polymeric binder Human Necessities 27 Expired
US6221368A Process for producing solid dosage forms by extrusion Human Necessities 25 Expired
US6423256B1 Process for producing solid dosage forms Human Necessities 24 Expired
US6075107A Use of copolymers of N-vinylprrolidone in preparations of water-insoluble substances Emerging Cross-Sectional Technologies 19 Expired
US6231876A Use of water-soluble copolymers as active ingredients in cosmetics Human Necessities 12 Expired
US6103820A Preparation of water-soluble copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer Chemistry; Metallurgy 11 Expired
US7022344B1 Process for producing solid dosage forms Chemistry; Metallurgy 11 Expired
US7419685B2 Process for producing solid dosage forms Chemistry; Metallurgy 7 Expired
US6187884A Preparation of low molecular mass homopolymers of N-vinylpyrrolidone Chemistry; Metallurgy 7 Expired
US6682725B1 High molecular weight mass cationic copolymers Human Necessities 5 Expired
US5780542A Water-emulsifiable polyisocyanates Chemistry; Metallurgy 1 Expired
US5990269A Copolymer of vinylpyrrolidone and vinylimidazole Physics 1 Expired
US6939912B2 Compositions comprising copolymers of N-vinylcarboxamides and monomers with a hydrophobic radical, and use of these copolymers Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.