Inventor · disambiguated record

Francis A. Thirion

Also filed as: THIRION FRANCIS A

2 granted patents·42 citations·filing 1984–1985

63Inventor score

Technology areasC01B C01F

Files withPRAYON DEV SA1 PRAYON SOC1

Top patents by PatentIndex Score

2 records

0169US4588570AMethod for the preparation of phosphoric acid and calcium sulphatePRAYON SOC·Filed 1984·Granted May 13, 1986·22 cites·33 claims
0263US4777027AContinuous process for preparing phosphoric acid and calcium sulphatePRAYON DEV SA·Filed 1985·Granted Oct 11, 1988·20 cites·36 claims

Join the waitlist — get patent alerts

Get an alert when Francis A. Thirion 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 →