Inventor · Essen, DE

Metin Colpan

21Patents
16h-index
10Co-inventors
78Inventor score

Filing activity: Feb 14, 1986 → Apr 27, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5652141A Device and process for isolating nucleic acids from cell suspension Chemistry; Metallurgy 153 Expired
US5057426A Method for separating long-chain nucleic acids Physics 113 Expired
US5264184A Device and a method for separating liquid samples Emerging Cross-Sectional Technologies 112 Expired
US6383393B1 Chromatographic purification and separation process for mixtures of nucleic acids Chemistry; Metallurgy 81 Expired
US5990301A Process for the separation and purification of nucleic acids from biological sources Emerging Cross-Sectional Technologies 75 Expired
US6180778A Process for the separation of double-stranded/single-stranded nucleic acid structures Chemistry; Metallurgy 72 Expired
US5464541A Device and a method for separating liquid samples Emerging Cross-Sectional Technologies 72 Expired
US4699717A Chromatographic process for the separation of nucleic acids Performing Operations; Transporting 71 Expired
US6020186A Device and process for isolating nucleic acids from cell suspensions Chemistry; Metallurgy 56 Expired
US5747663A Process for the depletion or removal of endotoxins Emerging Cross-Sectional Technologies 56 Expired
US5620663A Support plate accommodating and being integrally connected with a plurality of adjacent sample containers Emerging Cross-Sectional Technologies 51 Expired
US6277648A Process and a device for the isolation of cell components such as nucleic acids from natural sources Emerging Cross-Sectional Technologies 49 Expired
US6297371A Process for the preparation of endotoxin-free or endotoxin-depleted nucleic acids and/or oligonucleotides for gene therapy Emerging Cross-Sectional Technologies 26 Expired
US6274371A Process and device for the isolation of cell components, such as nucleic acids, from natural sources Emerging Cross-Sectional Technologies 26 Expired
US5792651A Enhancement of the transfection efficiency of nucleic acids by using isopropanol in aqueous solutions Chemistry; Metallurgy 25 Expired
US7074916B2 Process for the separation of double-stranded/single-stranded nucleic acid structures Chemistry; Metallurgy 23 Expired
US8247545B1 Device and a process for the isolation of nucleic acids Emerging Cross-Sectional Technologies 13 Expired
US6946250B2 Process for the separation of double-stranded/single-stranded nucleic acid structures Chemistry; Metallurgy 11 Expired
US7109322B2 Process for the depletion or removal of endotoxins Emerging Cross-Sectional Technologies 10 Expired
US6609618B2 Device for the isolation of cell components such as nucleic acids from natural sources Emerging Cross-Sectional Technologies 7 Expired
US7510826B2 Process for the depletion or removal of endotoxins Emerging Cross-Sectional Technologies 3 Active

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