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USPTO Patent Rankings Data through Dec 31, 2025
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Joachim Pfeffinger — 18 Patents

Basf Se: 17 patents #864 of 13,826Top 7%
Ludwigshafen, DE: #185 of 1,722 inventorsTop 15%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Joachim Pfeffinger has been granted 18 US patents while listed as an inventor at Basf Se. The first was granted in 1998 and the most recent in February 2023. Joachim Pfeffinger ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Joachim Pfeffinger in Ludwigshafen, DE.

Patents per Year

Patents granted per year, 1998 to 2023Bar chart with a peak of 3 patents in 2003.peak 31998: 2 patents19982002: 1 patents20022003: 3 patents20032004: 3 patents20042006: 1 patents20062011: 1 patents20112014: 2 patents20142015: 2 patents20152022: 2 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11591543 Aroma chemical compositions containing 3,5-diethyl-2-propyl-tetrahydropyran and/or unsaturated derivatives thereof Nicolas MARION, Rolf Pinkos, Stefan RUEDENAUER, Florian Garlichs, Ralf Pelzer +7 more 2023-02-28
11518749 Method for the continuous separation by distillation of mixtures that contain morpholine (MO), monoaminodiglycol (ADG), ammonia, water and methoxyethanol (MOE) Oliver Bussmann, Eva Koch, Manfred Heilig, Joerg Pastre, Johann-Peter Melder 2022-12-06
11214555 Method for depleting 2-methoxyethanol (MOE) Eva Koch, Oliver Bussmann, Joerg Pastre, Johann-Peter Melder 2022-01-04
8987517 Process for preparing cycloaliphatic amines Willi Doell 2015-03-24
8940250 Method of conveying liquids Willi Gilcher, Juergen Morell 2015-01-27
8828267 Use of a stereoisomer mixture of diaminomethylcyclohexane as a hardener for epoxy resins Daniela Malkowsky, Stephan Goettke 2014-09-09
8822718 Process for preparing isocyanates by thermally cleaving carbamates Michael Bock, Eckhard Stroefer, Robert Baumann, Axel Franzke 2014-09-02
7994361 Moderate-pressure gas phase phosgenation Andreas Woelfert, Christian Mueller, Eckhard Stroefer, Markus Weber, Carsten Knoesche 2011-08-09
7084297 Production of isocyanates in the gaseous phase Andreas Woelfert, Christian Mueller, Eckhard Stroefer, Markus Weber, Carsten Knoesche 2006-08-01 $334,000
6790995 Preparation of primary and secondary amines from nitriles Michael Hullmann, Arthur Hohn, Frank Funke, Frank Ohlbach, Till Gerlach 2004-09-14 $308,000
6750365 Thermal dissociation of allophanates Gerhard Laqua, Matthias Klotzer, Volker Krase, Peter Pfab, Andreas Schmidt 2004-06-15 $521,000
6723880 Preparation of secondary amines from primary amines Peter Neumann, Johann-Peter Melder, Christoph Benisch, Arthur Hohn 2004-04-20 $385,000
6592832 Method for producing highly pure lithium salts Holger Friedrich, Bernd Leutner 2003-07-15 $548,000
6576788 METHOD FOR PRODUCING MIXTURES CONSISTING OF DIPHENYLMETHANE DIISOCYANATES AND POLYPHENYLENE-POLYMETHYLENE-POLYISOCYANATES CONTAINING A REDUCED AMOUNT OF CHLORINATED SECONDARY PRODUCTS AND WITH A REDUCED IODINE COLOR INDEX Ulrich Penzel, Volker Scharr, Dieter Starosta, Hilmar Boesel, Eckhard Ströfer +8 more 2003-06-10 $724,000
6525223 Preparation of secondary amines from nitriles Michael Hullmann, Arthur Hohn, Frank Funke, Frank Ohlbach, Till Gerlach 2003-02-25 $293,000
6403845 Preparation of pentanediols from alkoxydihydropyrans Peter Wahl, Jan Nouwen, Karsten Eller, Arthur Hohn, Jürgen Hunger 2002-06-11
5788743 Selective separation and recovery of chlorine from gas mixtures Otto Watzenberger 1998-08-04
5785819 Distillation column for separating a liquid mixture into a plurality of pure fractions Gerd Kaibel, Manfred Stroezel 1998-07-28