Inventor · disambiguated record
Josef S. Gratzl
Also filed as: GRATZL JOSEF S
4 granted patents·80 citations·filing 1987–1996
78Inventor score
Top patents by PatentIndex Score
4 records- 0176US5888787ASelective enzymatic oxidation of aromatic methyl groups to aldehydes by oxygen in the presence of a laccase-mediator catalystUNIV NORTH CAROLINA STATE·Filed 1996·Granted Mar 30, 1999·32 cites·9 claims
- 0275US4826567AProcess for the delignification of cellulosic substances by pretreating with a complexing agent followed by hydrogen peroxideINTEROX SA·Filed 1987·Granted May 2, 1989·23 cites·1 claims
- 0362US4826568AProcess for delignification of cellulosic substances by pretreating with a complexing agent followed by peroxide prior to kraft digestionINTEROX SA·Filed 1987·Granted May 2, 1989·13 cites·1 claims
- 0454US5011572ATwo stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stageFMC CORP·Filed 1989·Granted Apr 30, 1991·12 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Josef S. Gratzl 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 →