Inventor

DIWELL ALAN F

GB4 patents

⚠️ This page may combine multiple inventors who share the name “DIWELL ALAN F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JOHNSON MATTHEY PLC

2 patents

US4539311ASep 3, 1985

Process for making a lead-tolerant catalyst system for purifying exhaust

JOHNSON MATTHEY PLC27 citations91

US4996180AFeb 26, 1991

Catalyst of copper oxide and ceria

JOHNSON MATTHEY PLC40 citations88

JOHNSON MATTHEY CO LTD

2 patents

US4127510ANov 28, 1978

Catalyst for the purification of an exhaust gas

JOHNSON MATTHEY CO LTD44 citations91

US4478797AOct 23, 1984

Exhaust gas purification

JOHNSON MATTHEY CO LTD13 citations65