Inventor · disambiguated record

Andries G. Altena

Also filed as: ALTENA ANDRIES G

2 granted patents·15 citations·filing 1987–1989

59Inventor score

Technology areasC07C

Files withJOHNSON MATTHEY PLC2

Top patents by PatentIndex Score

2 records

0171US4981829AOxidative conversion of methane to ethylene and ethaneJOHNSON MATTHEY PLC·Filed 1989·Granted Jan 1, 1991·10 cites·5 claims
0256US4873388AOxidative conversion of methane to ethylene and ethaneJOHNSON MATTHEY PLC·Filed 1987·Granted Oct 10, 1989·5 cites·9 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →