Inventor · Hannover, DE

Ivan Ban

11Patents
4h-index
19Co-inventors
57Inventor score

Filing activity: Aug 22, 1977 → Jun 13, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5723454A Method for obtaining estrogens from pregnant mare urine by solid phase extraction on a semi-polar adsorber resin Chemistry; Metallurgy 10 Expired
US5814624A Method for obtaining estrogens from pregnant mare urine by solid-phase extraction Chemistry; Metallurgy 9 Expired
US5294638A Phenyalkylaminoalkyl compounds and pharmaceutical compositions containing them Chemistry; Metallurgy 6 Expired
US4886806A Flavone-3-carboxylic acids compounds and pharmaceutical compositions containing them Chemistry; Metallurgy 6 Expired
US7081451B2 Method and apparatus for concentrating and stabilizing conjugated estrogens from mare urine Chemistry; Metallurgy 4 Expired
US5013852A 3-flavone carboxylic acid compounds Chemistry; Metallurgy 4 Expired
US4182889A Process for preparing 10-methyl-2,9-dioxatricyclo[4,3,1,0.sup.3,7 ] decanes Chemistry; Metallurgy 3 Expired
US5212173A Alkylaminoalkylamine and ether compounds, processes and intermediates for their preparation, and medicaments containing them Chemistry; Metallurgy 2 Expired
US8815299B2 Method for obtaining a natural mixture of conjugated equine estrogens depleted in non-conjugated lipophilic compounds Human Necessities 0 Active
US7074325B2 Device for concentrating and stabilizing conjugated estrogens from mare urine Chemistry; Metallurgy 0 Expired
US7524833B2 Method and apparatus for concentrating and stabilizing conjugated estrogens from mare urine Chemistry; Metallurgy 0 Active

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