Inventor · disambiguated record
David Roy Merrifield
Also filed as: MERRIFIELD DAVID R · MERRIFIELD DAVID ROY
6 granted patents·1 pending application·201 citations·filing 1990–2003
87Inventor score
Top patents by PatentIndex Score
7 records- 0181US5225197APharmaceutical formulationBEECHAM GROUP PLC·Filed 1990·Granted Jul 6, 1993·68 cites·8 claims
- 0276US5962022APharmaceutical formulation with effervescent coupleSMITHKLINE BEECHAM PLC·Filed 1994·Granted Oct 5, 1999·47 cites·12 claims
- 0370US5814337APharmaceutical formulationBEECHAM GROUP PLC·Filed 1994·Granted Sep 29, 1998·31 cites·5 claims
- 0467US6077536APharmaceutical formulationBEECHAM GROUP PLC·Filed 1998·Granted Jun 20, 2000·24 cites·21 claims
- 0562US6051254APharmaceutical formulationSMITHKLINE BEECHAM PLC·Filed 1998·Granted Apr 18, 2000·19 cites·24 claims
- 0642US6830714B1Process and apparatus for producing particles using a supercritical fluidSMITHKLINE BEECHAM PLC·Filed 1999·Granted Dec 14, 2004·12 cites·30 claims
- 0741US2006153757A1Apparatus and method for the isolation of produced particles as a suspension in a non-supercritical fluidCOOPER SIMON M·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →