Inventor · Frankfurt, DE

Wolfgang Leonhardt

10Patents
6h-index
22Co-inventors
66Inventor score

Filing activity: Mar 16, 1988 → Mar 22, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5494488A Detergent composition and method of use with surfactant, silicate, and polycarboxylate Chemistry; Metallurgy 58 Expired
US5227022A Process for increasing pulp brightness with zeolites and easily decomposable organic chelating agents Textiles; Paper 48 Expired
US4879057A Aqueous bleaching agent suspensions containing peroxycarboxylic acid, method for their preparation and use Chemistry; Metallurgy 35 Expired
US5256196A Precipitated silica paste Chemistry; Metallurgy 12 Expired
US5076957A Phosphate-free detergent builders Chemistry; Metallurgy 11 Expired
US4790949A Aqueous bleaching agent suspensions containing peroxycarboxylic acid, method for their preparation and use Chemistry; Metallurgy 8 Expired
US5298185A Aqueous stable suspension of water-insoluble silicates capable of binding calcium ions and their use for the production of washing and cleaning agents Chemistry; Metallurgy 2 Expired
US5988436A Discharge device for bulk containers for particulate bulk materials and its use Performing Operations; Transporting 2 Expired
US6595008B2 Process for the safe storage of sodium percarbonate in bulk containers Chemistry; Metallurgy 1 Expired
US11872731B2 Method for producing a beam guide grid and a beam guide grid produced in accordance with the method Performing Operations; Transporting 0 Active

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