Inventor · Boyds, MD, US

Robert H. Purcell

78Patents
11h-index
54Co-inventors
81Inventor score

Filing activity: Apr 11, 1977 → Apr 28, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5514539A Nucleotide and deduced amino acid sequences of the envelope 1 gene of 51 isolates of hepatitis C virus and the use of reagents derived from these sequences in diagnostic methods and vaccines Emerging Cross-Sectional Technologies 62 Expired
US6153421A Cloned genomes of infectious hepatitis C viruses and uses thereof Chemistry; Metallurgy 33 Expired
US4615886A Utilizing a halohydrocarbon containing dissolved water to inactivate a lipid virus Human Necessities 27 Expired
US4894228A Vaccine against hepatitis A virus Emerging Cross-Sectional Technologies 23 Expired
US4581231A Inactivation of viruses containing essential lipids Chemistry; Metallurgy 22 Expired
US5882852A Hepatitic C virus (HCV) core gene nucleotide sequences and related methods of detecting major and minor genotypes of HCV isolates Emerging Cross-Sectional Technologies 16 Expired
US4140761A Modification of hepatitis B virus infection in chronic carriers of hepatitis B surface antigen Human Necessities 15 Expired
US6180110A Attenuated hepatitis a virus vaccine which grows in MRC-5 cells Emerging Cross-Sectional Technologies 14 Expired
US7622113B2 Monoclonal antibodies that bind or neutralize dengue virus Emerging Cross-Sectional Technologies 13 Expired
US4620978A Hepatitis A virus purified and triply cloned Emerging Cross-Sectional Technologies 12 Expired
US5516630A Methods of detecting hepatitis A virus Emerging Cross-Sectional Technologies 11 Expired
US4532215A Isolation of hepatitis A virus strain HM-175 Emerging Cross-Sectional Technologies 10 Expired
US4636469A Isolation of hepatitis A virus strain HM-175 Emerging Cross-Sectional Technologies 8 Expired
US4511556A Inactivation of a lipid virus Chemistry; Metallurgy 7 Expired
US6113912A Hepatitis A virus vaccines Emerging Cross-Sectional Technologies 7 Expired
US5871962A Nucleotide and deduced amino acid sequences of the envelope 1 gene of 51 isolates of hepatitis C virus and the use of reagents derived from these sequences in diagnostic methods Emerging Cross-Sectional Technologies 7 Expired
US6287759A Recombinant proteins of a Pakistani strain of hepatitis E and their use in diagnostic methods and vaccines Emerging Cross-Sectional Technologies 7 Expired
US7084266B1 Cloned genome of infectious hepatitus C virus of genotype 2A and uses thereof Chemistry; Metallurgy 7 Expired
US6572864B1 Nucleotide and deduced amino acid sequences of the envelope 1 gene of 51 isolates of hepatitis C virus and the use of reagents derived from these sequences in diagnostic methods and vaccines Emerging Cross-Sectional Technologies 6 Expired
US8337854B2 Monoclonal antibodies against dengue and other viruses with deletion in Fc region Emerging Cross-Sectional Technologies 6 Active
US5476658A Vaccine against hepatitis a comprising simian HAV isolate AGM-27 Emerging Cross-Sectional Technologies 6 Expired
US8337853B2 Monoclonal antibodies that bind or neutralize dengue virus Emerging Cross-Sectional Technologies 6 Active
US6054567A Recombinant proteins of a pakistani strain of hepatitis E and their use in diagnostic methods and vaccines Physics 6 Expired
US6423318B1 Hepatitis A virus vaccines Emerging Cross-Sectional Technologies 6 Expired
US5849562A Production of complementary DNA representing hepatitis A viral sequences by recombinant DNA methods and uses therefor Emerging Cross-Sectional Technologies 6 Expired

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