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Inventor
DIWELL ALAN FRANCIS
GB
4 patents
⚠️ This page may combine multiple inventors who share the name “DIWELL ALAN FRANCIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JOHNSON MATTHEY PLC
2 patents
US6546717B1
Apr 15, 2003
Combatting air pollution
JOHNSON MATTHEY PLC
52 citations
95
US6948308B2
Sep 27, 2005
Combatting air pollution
JOHNSON MATTHEY PLC
15 citations
92
JOHNSON MATTHEY CO LTD
2 patents
US3972837A
Aug 3, 1976
Catalyst for purifying automotive exhaust gases
JOHNSON MATTHEY CO LTD
85 citations
93
US4089810A
May 16, 1978
Catalyst
JOHNSON MATTHEY CO LTD
85 citations
91