Inventor · disambiguated record
Richard Alasdair Grant
Also filed as: GRANT RICHARD A · GRANT RICHARD ALASDAIR
12 granted patents·112 citations·filing 1980–2021
89Inventor score
Files withMATTHEY RUSTENBURG REFINES4JOHNSON MATTHEY PLC3ANGLO PLATINUM LTD2ANGLO AMERICAN PLATINUM CORP1GRANT RICHARD A1
Top patents by PatentIndex Score
12 records- 0181US4331634ASolvent extraction process for the selective extraction of palladiumMATTHEY RUSTENBURG REFINES·Filed 1980·Granted May 25, 1982·21 cites·19 claims
- 0275US5165901APlatinum group metal recovery with a polyamineJOHNSON MATTHEY PLC·Filed 1991·Granted Nov 24, 1992·20 cites·9 claims
- 0373US5478376AMethod for the separation of rhodium and/or iridium from solutionMATTHEY RUSTENBURG REFINES·Filed 1994·Granted Dec 26, 1995·28 cites·8 claims
- 0468US12383848B2Chromatographic method for separating transition metalsJOHNSON MATTHEY PLC·Filed 2021·Granted Aug 12, 2025·0 cites·12 claims
- 0562US4726841AExtraction of metalsGRANT RICHARD A·Filed 1986·Granted Feb 23, 1988·14 cites·9 claims
- 0660US4382067ASolvent extraction of platinum group metalsMATTHEY RUSTENBURG REFINES·Filed 1982·Granted May 3, 1983·11 cites·11 claims
- 0758US8062526B2Separation of platinum group metalsMOINE LAURENCE·Filed 2008·Granted Nov 22, 2011·0 cites·14 claims
- 0858US7163570B2Chromatographic method of separating ruthenium from platinum group metalsANGLO AMERICAN PLATINUM CORP·Filed 2001·Granted Jan 16, 2007·4 cites·13 claims
- 0950US5879644AInterseparation of platinum group metalsMATTHEY RUSTENBURG REFINES·Filed 1997·Granted Mar 9, 1999·13 cites·15 claims
- 1048US7335306B2Chromatographic mediumANGLO PLATINUM LTD·Filed 2003·Granted Feb 26, 2008·1 cites·13 claims
- 1142US7354517B2Separation of platinum group metalsANGLO PLATINUM LTD·Filed 2003·Granted Apr 8, 2008·0 cites·10 claims
- 1237US10513752B2Interseparation of metalsJOHNSON MATTHEY PLC·Filed 2015·Granted Dec 24, 2019·0 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Richard Alasdair Grant files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →