Inventor · Nottingham, GB

Darrell Sleep

24Patents
8h-index
34Co-inventors
75Inventor score

Filing activity: May 21, 1993 → Mar 23, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5728553A High purity albumin and method of producing Chemistry; Metallurgy 96 Expired
US7482013B2 Albumin fusion proteins Emerging Cross-Sectional Technologies 63 Expired
US5302697A Peptide and DNA sequences Chemistry; Metallurgy 50 Expired
US5667986A Yeast promoter for expressing heterologous polypeptides Chemistry; Metallurgy 37 Expired
US8748380B2 Albumin variants Chemistry; Metallurgy 28 Active
US6638740B1 Process of high purity albumin production Chemistry; Metallurgy 13 Expired
US9493545B2 Albumin variants and conjugates Chemistry; Metallurgy 12 Active
US7993877B2 Process for the purification of recombinant albumin Chemistry; Metallurgy 9 Active
US10233228B2 Albumin derivatives and variants Chemistry; Metallurgy 7 Active
US9775888B2 Treatment with factor ix-albumin fusion protein Emerging Cross-Sectional Technologies 5 Active
US8258102B2 Gene and polypeptide sequences Chemistry; Metallurgy 4 Active
US6379924B1 Protein expression strains Chemistry; Metallurgy 3 Expired
US10696732B2 Albumin variants Chemistry; Metallurgy 3 Active
US8252551B2 2-micron family plasmid and use thereof Human Necessities 3 Active
US8946156B2 Albumin Fusion Proteins Emerging Cross-Sectional Technologies 2 Active
US11555061B2 Albumin variants and conjugates Chemistry; Metallurgy 2 Active
US6290953A Modulation of cellular proliferation with thymidine phosphorylase Human Necessities 1 Expired
US10080785B2 Albumin fusion proteins Emerging Cross-Sectional Technologies 1 Active
US9821039B2 Albumin fusion proteins Emerging Cross-Sectional Technologies 0 Active
US9057061B2 Gene expression technique Chemistry; Metallurgy 0 Active
US9133265B2 Gene and polypeptide sequences Chemistry; Metallurgy 0 Active
US8969064B2 Gene expression technique Chemistry; Metallurgy 0 Active
US9849162B2 Treatment with factor VII-albumin fusion protein Emerging Cross-Sectional Technologies 0 Active
US9555344B2 Process for the purification of recombinant albumin Chemistry; Metallurgy 0 Active

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