Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Darren Rees — 9 Patents

Basf Se: 6 patents #2,778 of 13,826Top 25%
The Procter & Gamble: 3 patents #3,950 of 10,297Top 40%
Newcastle upon Tyne, GB: #22 of 401 inventorsTop 6%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Darren Rees has been granted 9 US patents while listed as an inventor at Basf Se. The first was granted in 2014 and the most recent in April 2020. Darren Rees ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Darren Rees in Newcastle upon Tyne, GB.

Patents per Year

Patents granted per year, 2014 to 2020Bar chart with a peak of 2 patents in 2017.peak 22014: 1 patents20142015: 1 patents20152017: 2 patents20172018: 2 patents20182019: 2 patents20192020: 1 patents2020

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10633328 Polyetheramines based on 1,3-dialcohols Sophia Ebert, Björn Ludolph, Christof Wilhelm Wigbers, Steffen Maas, Frank Huelskoetter +8 more 2020-04-28
10414856 Polyetheramines based on 1,3-dialcohols Sophia Ebert, Bjoern Ludolph, Christian Eidamshaus, Stefano Scialla, Kevin Patrick Christmas +3 more 2019-09-17
10414719 Etheramines based on dialcohols Sophia Ebert, Björn Ludolph, Christof Wilhelm Wigbers, Christian Eidamshaus, Dieter Boeckh +5 more 2019-09-17
9974985 Etheramines based on 1,2-dialcohols Sophia Ebert, Björn Ludolph, Christof Wilhelm Wigbers, Dieter Boeckh, Frank Huelskoetter +3 more 2018-05-22
9932293 Etheramines based on alkoxylated glycerine or trimethylolpropane Sophia Ebert, Björn Ludolph, Christof Wilhelm Wigbers, Steffen Maas, Dieter Boeckh +5 more 2018-04-03
9738754 Alkoxylated polyethyeneimine with a low melting point Sophia Ebert, Björn Ludolph, Frank Huelskoetter, Kevin Patrick Christmas, Stefano Scialla +2 more 2017-08-22
9550965 Cleaning compositions containing a polyetheramine Frank Hulskotter, Kevin Patrick Christmas, Stefano Scialla, Brian Joseph Loughnane, Amy Eichstadt Waun +5 more 2017-01-24 $52,150,000
9187715 Cleaning compositions Koushik MUKHERJEE, Ming Tang, Yonas Gizaw, Qing Chen, Frank Hulskotter +4 more 2015-11-17 $98,820,000
8859484 Detergent compositions comprising graft polymers having broad polarity distributions Frank Hulskotter, Brian Joseph Loughnane, Faissal-Ali El-Toufaili, Rainer Dobrawa 2014-10-14 $65,703,000