Inventor · Frankfurt, DE

Wolfgang Schmidt

100Patents
15h-index
126Co-inventors
89Inventor score

Filing activity: Oct 2, 1975 → Jun 19, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4849246A Process for producing an administration or dosage form for drugs, reagents or other active ingredients Human Necessities 128 Expired
US5266601A Process for preparing polybutylene terephthalate from pet scrap Emerging Cross-Sectional Technologies 96 Expired
US5817742A Polymer-conjugated malonic acid derivatives and their use as medicaments and diagnostic agents Chemistry; Metallurgy 89 Expired
US4925670A Administration and dosage form for drug active agents, reagents or the like and process for the preparation thereof Human Necessities 85 Expired
US5354551A Oral and dental hygiene preparation Human Necessities 65 Expired
US5656716A Titanium-containing catalyst and process for the production of polyester Chemistry; Metallurgy 52 Expired
US5858994A Carbohydrate conjugates as inhibitors of cell adhesion Chemistry; Metallurgy 51 Expired
US5798433A Process for production of polypropylene terephthalate Chemistry; Metallurgy 45 Expired
US6197752A Glycomimetics as selectin antagonists and pharmaceuticals having antiinflammatory activity prepared therefrom Chemistry; Metallurgy 39 Expired
US6066683A Molded and slab polyurethane foam prepared from double metal cyanide complex-catalyzed polyoxyalkylene polyols and polyols suitable for the preparation thereof Chemistry; Metallurgy 34 Expired
US6530527B1 Value or security product with luminescent security elements and method for the production and use thereof in respect to visual and machine-operated detection of authenticity Performing Operations; Transporting 24 Expired
US7371437B2 Liquid-crystalline medium Chemistry; Metallurgy 20 Active
US5391783A Process for the production of light-colored pastes of .alpha.-sulfofatty acid alkyl ester alkali metal salts Chemistry; Metallurgy 20 Expired
US7018685B2 Fluorinated aromatic compounds and the use of the same in liquid crystal mixtures Chemistry; Metallurgy 18 Expired
US6008263A Molded and slab polyurethane foam prepared from double metal cyanide complex-catalyzed polyoxyalkylene polyols and polyols suitable for the preparation thereof Chemistry; Metallurgy 17 Expired
US5382677A Process for the production of highly concentrated pastes of .alpha.-sulfofatty acid alkyl ester alkali metal salts Chemistry; Metallurgy 15 Expired
US5198530A Process for continuous polycondensation of terephthalic acid and 1,4-bis(hydroxymethyl)cyclohexane Chemistry; Metallurgy 15 Expired
US4724141A Preparation of solid medicament formulation containing nitrendipine Human Necessities 15 Expired
US6686074B2 Secured documents identified with anti-stokes fluorescent compositions Emerging Cross-Sectional Technologies 14 Expired
US6958176B2 Liquid crystal mixture Chemistry; Metallurgy 13 Expired
US6929834B2 Liquid crystalline medium Chemistry; Metallurgy 13 Expired
US6531495B1 2′-Substituted 1,1′-biphenyl-2-carboxamides, processes for their preparation, their use as medicaments, and pharmaceutical preparations comprising them Chemistry; Metallurgy 12 Expired
US7501411B2 Triazolopyrazine compounds useful for the treatment of degenerative and inflammatory diseases Human Necessities 10 Active
US6168838A Fluorinated phenantrene derivatives for liquid crystal mixtures Chemistry; Metallurgy 10 Expired
US6331552A Substituted imidazolidine derivatives, their preparation, their use and pharmaceutical preparations including them Emerging Cross-Sectional Technologies 10 Expired

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