Inventor · Williamson, NY, US

John W. Backus

14Patents
5h-index
24Co-inventors
62Inventor score

Filing activity: Jun 22, 1994 → Feb 21, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5582988A Methods for capture and selective release of nucleic acids using weakly basic polymer and amplification of same Chemistry; Metallurgy 122 Expired
US6001558A Amplification and detection of HIV-1 and/or HIV 2 Chemistry; Metallurgy 42 Expired
US5705366A Coamplification of target nucleic acids using volume exclusion agent in reaction composition, test kit and test device useful therefor Chemistry; Metallurgy 42 Expired
US5622822A Methods for capture and selective release of nucleic acids using polyethyleneimine and an anionic phosphate ester surfactant and amplification of same Chemistry; Metallurgy 18 Expired
US6300075A Enhancement of the specificity of nucleic acid amplification by carrier nucleic acid Chemistry; Metallurgy 11 Expired
US7267950B2 Rapid extraction of RNA from cells and tissues Chemistry; Metallurgy 4 Expired
US6280930A Amplifying and detecting target nucleic acids using a post amplification incubation step Chemistry; Metallurgy 4 Expired
US5674717A Rapid method for preferential coamplification of two different nucleic acid sequences using polymerase chain reaction Chemistry; Metallurgy 2 Expired
US6126839A Use of an alcohol-salt buffer wash for the efficient recovery of mycobacteria and mycobacterial DNA from respiratory sediment Chemistry; Metallurgy 1 Expired
US5559013A Method of amplification using intermediate renaturation step Chemistry; Metallurgy 1 Expired
US6699986B2 Electrophoretic separation of nucleic acids from proteins at low ph Chemistry; Metallurgy 0 Expired
US6475729B1 Nucleic acid amplification and detection methods using rapid polymerase chain reaction cycle Chemistry; Metallurgy 0 Expired
US8940492B2 Calibrator/control for simultaneous assay of proteins capable of complexing with one another Emerging Cross-Sectional Technologies 0 Active
US8148157B2 Reference, calibrator, or control composition of PIGF-1 and sFlt-1 Emerging Cross-Sectional Technologies 0 Active

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