Inventor · disambiguated record
Roger D. D'Emmerez De Charmoy
Also filed as: D EMMEREZ DE CHARMOY ROGER D
2 granted patents·15 citations·filing 1987–1988
59Inventor score
Technology areasC07C
Files withGAZ DE FRANCE2
Top patents by PatentIndex Score
2 records- 0169US4833112AThioresistant catalyst for methane productionGAZ DE FRANCE·Filed 1988·Granted May 23, 1989·10 cites·2 claims
- 0255US4774261AProcess of methane production by means of a thioresistant catalyst and catalyst for carrying out this processGAZ DE FRANCE·Filed 1987·Granted Sep 27, 1988·5 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Roger D. D'Emmerez De Charmoy files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →