Inventor · disambiguated record
Richard G. Copperthwaite
Also filed as: COPPERTHWAITE RICHARD G
4 granted patents·108 citations·filing 1988–1991
79Inventor score
Technology areasB01J
Top patents by PatentIndex Score
4 records- 0181US5162598AConversion of propane and butaneZEOFUELS RES PTY LTD·Filed 1991·Granted Nov 10, 1992·56 cites·7 claims
- 0265US5268107AModified clinoptilolite as an ion exchange materialZEOFUELS RES PTY LTD·Filed 1991·Granted Dec 7, 1993·26 cites·18 claims
- 0353US4983560AModified zeolite catalystsPRATLEY INVESTMENTS·Filed 1988·Granted Jan 8, 1991·13 cites·8 claims
- 0447US5488165AProcess for the production of methyl aminesZEOFUELS RES PTY LTD·Filed 1991·Granted Jan 30, 1996·13 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →