Inventor · Haan, DE

Norbert Kuehne

8Patents
7h-index
10Co-inventors
56Inventor score

Filing activity: Jan 24, 1984 → Mar 5, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US4751003A Crossflow microfiltration process for the separation of biotechnologically produced materials Emerging Cross-Sectional Technologies 28 Expired
US5484531A Process for the removal of inorganic salts Performing Operations; Transporting 24 Expired
US5719115A Coated enzyme preparation for detergents and cleaning formulations Chemistry; Metallurgy 13 Expired
US4507474A Process for highly substituted carboxyalkyl celluloses and mixed ethers thereof Chemistry; Metallurgy 13 Expired
US4963271A Process for the separation and purification of cellulose ethers and cellulose derivatives Performing Operations; Transporting 12 Expired
US4886602A Process for the separation of biotechnologically produced valuable materials from a fermenter broth by crossflow micro- and/or ultrafiltration Chemistry; Metallurgy 11 Expired
US4728731A Reactor and its use in polysaccharide ether production Performing Operations; Transporting 10 Expired
US4908133A Process for working up aqueous electrolyte-containing suspensions of highly swellable layer silicates Chemistry; Metallurgy 3 Expired

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