Inventor · disambiguated record
Hendrik Dirkzwager
Also filed as: DIRKZWAGER HENDRIK
17 granted patents·5 pending applications·103 citations·filing 1999–2018
93Inventor score
Files withSHELL OIL CO16BARNES JULIAN RICHARD3ANDERSON MATTHEW THOMAS1AYOUB PAUL M1SHELL INT RESEARCH1
Top patents by PatentIndex Score
22 records- 0191US7718039B2Process for reactive distillation of a carboxylic acidSHELL OIL CO·Filed 2007·Granted May 18, 2010·26 cites·20 claims
- 0285US9284481B2Method and composition for enhanced oil recoveryBARNES JULIAN RICHARD·Filed 2011·Granted Mar 15, 2016·7 cites·29 claims
- 0381US10184076B2Internal olefin sulfonate compositionSHELL OIL CO·Filed 2014·Granted Jan 22, 2019·7 cites·14 claims
- 0478US7335802B2Methods of preparing branched aliphatic alcoholsSHELL OIL CO·Filed 2004·Granted Feb 26, 2008·10 cites·88 claims
- 0575US6657092B2Process for the preparation of a highly linear alcohol compositionSHELL OIL CO·Filed 2002·Granted Dec 2, 2003·6 cites·19 claims
- 0673US10000688B2Composition and method for enhanced hydrocarbon recoveryBARNES JULIAN RICHARD·Filed 2012·Granted Jun 19, 2018·2 cites·1 claims
- 0769US6770191B2Process for the preparation of linear olefins and use thereof to prepare linear alcoholsSHELL OIL CO·Filed 2002·Granted Aug 3, 2004·5 cites·7 claims
- 0867US6420620B1Process for preparing styrenesSHELL OIL CO·Filed 1999·Granted Jul 16, 2002·14 cites·13 claims
- 0962US6365761B1Process for preparing alkylene oxideSHELL OIL CO·Filed 2000·Granted Apr 2, 2002·10 cites·14 claims
- 1057US6861450B2Process for the preparation of a highly linear alcohol compositionSHELL OIL CO·Filed 2003·Granted Mar 1, 2005·1 cites·2 claims
- 1156US9688621B2Process for preparing an internal olefin sulfonateSHELL INT RESEARCH·Filed 2012·Granted Jun 27, 2017·0 cites·12 claims
- 1256US9221750B2Process for preparing an internal olefin sulfonateSHELL OIL CO·Filed 2013·Granted Dec 29, 2015·0 cites·13 claims
- 1355US7282474B2Process for the preparation of detergentsSHELL OIL CO·Filed 2003·Granted Oct 16, 2007·5 cites·19 claims
- 1454US2018265767A1Composition and method for enhanced hydrocarbon recoverySHELL OIL CO·Filed 2018·Application pending·0 cites
- 1553US7105706B2Process for the preparation of an alkoxylated alcohol compositionSHELL OIL CO·Filed 2004·Granted Sep 12, 2006·6 cites·17 claims
- 1648US10030194B2Method for enhanced hydrocarbon recoverySHELL OIL CO·Filed 2013·Granted Jul 24, 2018·0 cites·15 claims
- 1748US7227045B2Process for the preparation of linear olefins and use thereof to prepare linear alcoholsSHELL OIL CO·Filed 2004·Granted Jun 5, 2007·2 cites·22 claims
- 1848US2007142680A1Methods of preparing branched aliphatic alcoholsAYOUB PAUL M·Filed 2007·Application pending·0 cites
- 1945US2015307428A1Process for preparing alkoxylated alcoholsSHELL OIL CO·Filed 2013·Application pending·0 cites
- 2041US6437207B1Process for the preparation of styrenesSHELL OIL CO·Filed 1999·Granted Aug 20, 2002·2 cites·7 claims
- 2140US2013199788A1Method and composition for enyhanced hydrocarbons recoveryBARNES JULIAN RICHARD·Filed 2011·Application pending·0 cites
- 2240US2008139840A1Process for preparing alkyl aryl sulphonic acids and alkyl aryl sulphonatesANDERSON MATTHEW THOMAS·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →