Inventor · disambiguated record
Roy D. Laundon
Also filed as: LAUNDON ROY · LAUNDON ROY D · LAUNDON ROY DAVID
6 granted patents·109 citations·filing 1984–2002
85Inventor score
Files withCOOKSON LAMINOX LTD2ELEMENTIS PIGMENTS INC1ELEMENTIS UK LIMITED1LAUNDON ROY D1MINERAL PROCESS LICENSING CORP1
Top patents by PatentIndex Score
6 records- 0180US5876688AZinc oxide and a process of making itELEMENTIS UK LIMITED·Filed 1994·Granted Mar 2, 1999·60 cites·14 claims
- 0262US4940572AProcess for preparing an iron oxideCOOKSON LAMINOX LTD·Filed 1989·Granted Jul 10, 1990·9 cites·9 claims
- 0361US4624845AProcess for preparing an iron oxideLAUNDON ROY D·Filed 1984·Granted Nov 25, 1986·9 cites·22 claims
- 0460US6758893B2Granular pigments useful to color concreteELEMENTIS PIGMENTS INC·Filed 2002·Granted Jul 6, 2004·13 cites·17 claims
- 0539US4865833AProcess for preparing an iron oxideCOOKSON LAMINOX LTD·Filed 1988·Granted Sep 12, 1989·5 cites·1 claims
- 0635US5039429AHypochlorite removal from waste stream effluentsMINERAL PROCESS LICENSING CORP·Filed 1989·Granted Aug 13, 1991·13 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →