Inventor · disambiguated record
David John Royall
Also filed as: ROYALL DAVID J · ROYALL DAVID JOHN
4 granted patents·145 citations·filing 1979–1998
75Inventor score
Top patents by PatentIndex Score
4 records- 0189US6307099B1Production of terephthalic acidDU PONT·Filed 1998·Granted Oct 23, 2001·133 cites·5 claims
- 0242US4317919ARecovery of bromine from effluent gases in the oxidation of substituted aromatics to form aromatic carboxylic acidsICI LTD·Filed 1979·Granted Mar 2, 1982·5 cites·3 claims
- 0336US5426217AProcess for the production of therephthalic acidICI PLC·Filed 1993·Granted Jun 20, 1995·7 cites·34 claims
- 0418US6255510B1Production of aromatic carboxylic acids and recovery of Co/Mn catalyst from ashDU PONT·Filed 1997·Granted Jul 3, 2001·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →