AA

Andries G. Altena

JL Johnson Matthey Public Limited: 2 patents #296 of 922Top 35%
Overall (All Time): #2,313,410 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4981829 Oxidative conversion of methane to ethylene and ethane Eric Shutt, John W. Jenkins 1991-01-01
4873388 Oxidative conversion of methane to ethylene and ethane Eric Shutt, John W. Jenkins 1989-10-10