Inventor · Mannheim, DE

Ralf Widmaier

11Patents
4h-index
36Co-inventors
52Inventor score

Filing activity: Oct 6, 2005 → Mar 21, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US8158686B2 Use of copolymers as solubilizers for slightly water-soluble compounds Human Necessities 8 Active
US7442751B2 Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer Chemistry; Metallurgy 4 Active
US7449531B2 Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer Chemistry; Metallurgy 4 Active
US7629425B2 Methods of producing water-soluble, non-turbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer Chemistry; Metallurgy 4 Active
US8597679B2 Fine-particle crosslinked polyvinylpyrrolidone as tablet disintegrant Human Necessities 2 Active
US8632763B2 Use of a copolymer in the form of a solubiliser for a poorly water-soluble compound Human Necessities 2 Active
US7666935B2 Stabilisation of aqueous solutions of homopolymers and copolymers of N-vinylpyrrolidones Chemistry; Metallurgy 1 Expired
US8524827B2 Method for the stabilization of polyvinylpyrrolidones Chemistry; Metallurgy 1 Active
US7572870B2 Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer Chemistry; Metallurgy 0 Active
US7572871B2 Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer Chemistry; Metallurgy 0 Active
US7847044B2 Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer by polymerization under increased pressure Chemistry; Metallurgy 0 Active

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