Inventor · disambiguated record
Klaas Jan Hutter
Also filed as: HUTTER KLAAS J · HUTTER KLAAS JAN
8 granted patents·60 citations·filing 1991–2015
84Inventor score
Top patents by PatentIndex Score
8 records- 0185US9598322B2Process for preparing an emulsion of elemental sulphur particlesSHELL OIL CO·Filed 2013·Granted Mar 21, 2017·8 cites·31 claims
- 0282US8679219B2Process for preparing an elemental sulphur-containing fertilizerGARCIA MARTINEZ RAFAEL ALBERTO·Filed 2010·Granted Mar 25, 2014·10 cites·11 claims
- 0368US10464854B2Process for preparing a fertiliserSHELL OIL CO·Filed 2014·Granted Nov 5, 2019·1 cites·8 claims
- 0458US5945000AMethods of purifying phosphoric acidSIMPLOT CO J R·Filed 1998·Granted Aug 31, 1999·29 cites·11 claims
- 0547US5312610ADefluorination of phosphoric acidSIMPLOT CO J R·Filed 1992·Granted May 17, 1994·9 cites·16 claims
- 0646US10202311B2Urea fertilizer having improved hardnessSHELL OIL CO·Filed 2015·Granted Feb 12, 2019·0 cites·9 claims
- 0740US10221106B2Process for preparing a urea-sulphur fertiliserSHELL OIL CO·Filed 2015·Granted Mar 5, 2019·0 cites·7 claims
- 0829US5230876ARemoval of vanadium from phosphoric acidSIMPLOT CO J R·Filed 1991·Granted Jul 27, 1993·3 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Klaas Jan Hutter 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 →