Inventor · disambiguated record
Riekert Kok
Also filed as: KOK RIEKERT
5 granted patents·213 citations·filing 1977–1991
82Inventor score
Files withSHELL OIL CO5
Top patents by PatentIndex Score
5 records- 0193US5078916ADetergent composition containing an internal olefin sulfonate component having an enhanced content of beta-hydroxy alkane sulfonate compoundsSHELL OIL CO·Filed 1991·Granted Jan 7, 1992·163 cites·13 claims
- 0286US4173616AExtraction of copper values from aqueous solutionSHELL OIL CO·Filed 1978·Granted Nov 6, 1979·31 cites·12 claims
- 0358US4108958AExtraction of Cu(II), Fe(III), Ni(II), Co(II), Cd(II), Zn(II), Ca(II) and Mg(II) metal values using 2-hydroxy iminoacetic acidsSHELL OIL CO·Filed 1977·Granted Aug 22, 1978·9 cites·6 claims
- 0446US4240981AProcess for the preparation of 1,2-dioximesSHELL OIL CO·Filed 1979·Granted Dec 23, 1980·6 cites·14 claims
- 0531US4234546ALiquid/liquid extraction of nickel valuesSHELL OIL CO·Filed 1979·Granted Nov 18, 1980·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →