Inventor · Ludwigshafen, DE

Hubert Meixner

22Patents
10h-index
58Co-inventors
74Inventor score

Filing activity: Dec 21, 1995 → Jan 9, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6132558A Process for producing paper and cardboard Textiles; Paper 58 Expired
US6083348A Method for producing paper Textiles; Paper 50 Expired
US6616807B1 Method for producing high dry-strength paper, pulpboard and cardboard Textiles; Paper 38 Expired
US6083898A Water-soluble or water-dispersible cross-linked nitrogenated compounds in washing and cleaning agents Chemistry; Metallurgy 29 Expired
US7034068B1 Aqueous dispersions of water-soluble polymers of N-vinyl carboxylic acid amides, method for the production and use thereof Textiles; Paper 19 Expired
US6056967A Method of producing water-soluble condensates and addition products containing amino groups, and use of said condensates and addition products Textiles; Paper 18 Expired
US6576086B1 Method for producing paper, paperboard and cardboard using an uncrosslinked fixing agent during paper stock draining Textiles; Paper 14 Expired
US6777530B1 Use of crosslinked nitrogenous compounds which are soluble or dispersible in water in detergents and cleaners Chemistry; Metallurgy 14 Expired
US5851300A Cationic modification of starch and use of the cationically modified starch Textiles; Paper 13 Expired
US6063286A Modified, fine-particle, water-insoluble aziridine polymer and use therefore for removing heavy metals from aqueous solution Emerging Cross-Sectional Technologies 12 Expired
US6303002A Method for producing paper, pulpboard and cardboard Emerging Cross-Sectional Technologies 9 Expired
US6706190B1 Method for fractionation of water soluble or dispersible polymers containing amino groups with a broad molar mass distribution Textiles; Paper 5 Expired
US6300305A Detergency boosters for detergents Chemistry; Metallurgy 5 Expired
US6562926B1 Method for producing water-soluble polymers, comprising oligoalkylene-imine side chains Chemistry; Metallurgy 4 Expired
US9404223B2 Process for the manufacture of paper and paperboard Textiles; Paper 4 Active
US6180590A Washing power enhancer for detergents Chemistry; Metallurgy 2 Expired
US6716311B1 Modified cationic polymers, their preparation and their use in papermaking Emerging Cross-Sectional Technologies 2 Expired
US10113270B2 Process for the manufacture of paper and paperboard Textiles; Paper 2 Active
US6248836A Amphiphilic graft polymers based on graft bases containing n--vinylcarboxylic acid units, process for their preparation and their use Chemistry; Metallurgy 1 Expired
US6331519A Detergency boosters for detergents Chemistry; Metallurgy 1 Expired
US5702517A Additives for plastics, in particular for PVC Chemistry; Metallurgy 1 Expired
US7297733B2 Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides, their preparation and their use Textiles; Paper 1 Expired

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