Inventor · Frederick, MD, US

Sandra E. Wassink

35Patents
18h-index
16Co-inventors
74Inventor score

Filing activity: Apr 21, 1995 → Oct 14, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US6384020B1 Rapid immediate release oral dosage form Human Necessities 116 Expired
US5912013A Advanced drug delivery system and method of treating psychiatric, neurological and other disorders with carbamazepine Human Necessities 114 Expired
US6284276A Soluble form osmotic dose delivery system Human Necessities 69 Expired
US6110498A Osmotic drug delivery system Human Necessities 60 Expired
US6361796B1 Soluble form osmotic dose delivery system Human Necessities 54 Expired
US6814979B2 Osmotic drug delivery system Human Necessities 42 Expired
US6730320B2 Tetracycline antibiotic product, use and formulation thereof Human Necessities 41 Expired
US6544555B2 Antibiotic product, use and formulation thereof Human Necessities 37 Expired
US6723341B2 Antibiotic product, use and formulation thereof Human Necessities 35 Expired
US6669948B2 Antibiotic product, use and formulation thereof Human Necessities 34 Expired
US6667057B2 Levofloxacin antibiotic product, use and formulation thereof Human Necessities 33 Expired
US6638532B2 Tetracycline—doxycycline antibiotic composition Human Necessities 32 Expired
US6667042B2 Fluroquinilone antibiotic product, use and formulation thereof Human Necessities 32 Expired
US6663890B2 Metronidazole antibiotic product, use and formulation thereof Human Necessities 32 Expired
US6663891B2 Erythromyacin antibiotic product, use and formulation thereof Human Necessities 32 Expired
US6541014B2 Antiviral product, use and formulation thereof Human Necessities 23 Expired
US6514532B2 Soluble form osmotic dose delivery system Human Necessities 21 Expired
US6610328B2 Amoxicillin-clarithromycin antibiotic composition Human Necessities 19 Expired
US6991807B2 Antibiotic composition Human Necessities 17 Expired
US6623758B2 Cephalosporin-metronidazole antibiotic composition Human Necessities 17 Expired
US6623757B2 Antibiotic composition Human Necessities 16 Expired
US6929804B2 Anti-fungal composition Human Necessities 16 Expired
US6984401B2 Antiviral product, use and formulation thereof Human Necessities 16 Expired
US6627222B2 Amoxicillin-dicloxacillin antibiotic composition Human Necessities 16 Expired
US6632453B2 Ciprofoxacin-metronidazole antibiotic composition Human Necessities 16 Expired

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