Inventor · Coesfeld, DE

Gerda Grund

23Patents
6h-index
62Co-inventors
68Inventor score

Filing activity: Sep 14, 1995 → Mar 12, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5633358A Process for bleaching aqueous surfactant solutions Chemistry; Metallurgy 47 Expired
US9743670B2 Method of treating water with chlorine dioxide Chemistry; Metallurgy 20 Active
US6657090B2 Process for preparing highly pure raffinate II and Methyl tert-butyl ether Emerging Cross-Sectional Technologies 18 Expired
US6727375B2 Apparatus and process for preparing substantially halogen-free trialkoxysilanes Chemistry; Metallurgy 17 Expired
US5681476A Process for the purification of groundwater Emerging Cross-Sectional Technologies 8 Expired
US9085506B2 Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine Emerging Cross-Sectional Technologies 8 Active
US7611683B2 Apparatus and process for the continuous reaction of a liquid with a gas over a solid catalyst Performing Operations; Transporting 6 Active
US7235704B2 Process for preparing isobutene from tert-butanol Chemistry; Metallurgy 5 Expired
US8816125B2 Process for the continuous preparation of (cyclo)aliphatic diisocyanates Chemistry; Metallurgy 4 Active
US8536370B2 Low chlorine, multi-staged method for producing cycloaliphatic disocyanates Chemistry; Metallurgy 3 Active
US8877976B2 Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine Chemistry; Metallurgy 3 Active
US6613946B2 Process for preparing cyclic alcohols Chemistry; Metallurgy 1 Expired
US6270676A Process for removing ethers and/or polycyclic aromatic hydrocarbons from water containing them Chemistry; Metallurgy 1 Expired
US9453210B2 Cells and method for producing acetone Emerging Cross-Sectional Technologies 1 Active
US8986961B2 Fermentative production of acetone from renewable resources by means of novel metabolic pathway Chemistry; Metallurgy 1 Active
US8889914B2 Method for producing isophorone Emerging Cross-Sectional Technologies 1 Active
US9156717B2 Radial pipe reactor Chemistry; Metallurgy 0 Active
US8389770B2 Method for producing diaminodiphenyl alkanes Chemistry; Metallurgy 0 Active
US6117331A Processes for the purification of waters containing organic constituents Chemistry; Metallurgy 0 Expired
US9187412B2 Process for preparing 3-cyano-3,5,5-trimethylcyclohexanone Chemistry; Metallurgy 0 Active
US8003826B2 Method for production of trimethylhexamethylenediamine Performing Operations; Transporting 0 Active
US8822726B2 Method for producing diaminodiphenyl alkanes Chemistry; Metallurgy 0 Active
US8945891B2 Fermentation process for production of acetone, butanol and ethanol using isophoron as absorbent Emerging Cross-Sectional Technologies 0 Active

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