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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
VB

Volker Bach — 39 Patents

Basf Se: 37 patents #254 of 13,826Top 2%
PAPassavant-Werke Ag: 1 patents #6 of 20Top 30%
Merck: 1 patents #5,440 of 9,382Top 60%
Neustadt, DE: #17 of 452 inventorsTop 4%
Overall (All Time): #81,245 of 4,157,543Top 2%
39 Patents All Time
Volker Bach has been granted 39 US patents while listed as an inventor at Basf Se. The first was granted in 1990 and the most recent in April 2017. Volker Bach ranks #81,245 of 4,157,543 US inventors in our database (top 2.0%). Patent records list Volker Bach in Neustadt, DE.

Patents per Year

Patents granted per year, 1990 to 2017Bar chart with a peak of 9 patents in 1994.peak 91990: 1 patents19901991: 1 patents1992: 5 patents19921993: 6 patents1994: 9 patents19941995: 7 patents1996: 2 patents19961997: 2 patents1998: 1 patents19982003: 2 patents2008: 1 patents20082010: 1 patents2017: 1 patents2017

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9624401 Process for producing aqueous polyurethane formulations Stefan Adams, Karl Haeberle, Reinhard Treiber 2017-04-18
7753964 Method for producing a leather semi-finished product Stephan Hueffer, Stefan Schroeder, Juergen Carle, Thorsten Raedler, Tilman Taeger 2010-07-13
7410504 Adducts based on cyclic compounds and the use thereof as tanning agents and curing agents Stephan Hueffer, Oliver Reese, Walter Gramlich, Stefan Schroeder, Guenter Scherr 2008-08-12
6669740 Dye preparations comprising azo dyes Karl Siemensmeyer, Bernd Siegel, Manfred Herrmann, Günther König, Rudiger Sens 2003-12-30 $775,000
6537331 Dye preparations containing azo dyes Karl Siemensmeyer, Bernd Siegel, Manfred Herrmann, Günther König, Rudiger Sens 2003-03-25 $417,000
5719288 Pyridone dyes Ruediger Sens, Karl-Heinz Etzbach 1998-02-17
5620756 Production of a ferroelectric or antiferroelectric or ferrielectric order in liquid crystals which solidify in a glass-like manner Karl-Heinz Etzbach, Karl Siemensmeyer, Gerhard Wagenblast 1997-04-15
5608041 Azo dyestuffs containing a diazo component from the aniline series and coupling component from the triazolopyridine series Ernst Schefczik, Helmut Reichelt, Clemens Grund 1997-03-04
5538824 Reversible or irreversible production of an image Karl-Heinz Etzbach, Harald Fuchs, Karl Siemensmeyer, Gerhard Wagenblast 1996-07-23
5484460 Dye mixtures containing azo dyes having a coupling component from the diaminopyridine series Hermann Loeffler, Gunther Lamm, Arno Lange, Helmut Reichelt, Herbert Rothmaier 1996-01-16
5455325 Optically active phenoxypropionic esters Wolfgang Brox, Karl-Heinz Etzbach, Axel Paul, Karl Siemensmeyer 1995-10-03
5417882 Liquid-crystalline compounds Karl-Heinz Etzbach, Karl Siemensmeyer, Gerhard Wagenblast 1995-05-23
5418555 Reversible or irreversible production of an image Karl-Heinz Etzbach, Harald Fuchs, Karl Siemensmeyer, Gehard Wagenblast 1995-05-23
5403363 Dye mixtures containing azo dyes having a coupling component from the diaminopyridine series Hermann Loeffler, Gunther Lamm, Arno Lange, Helmut Reichelt, Herbert Rothmaier 1995-04-04
RE34877 Azo dyes for thermotransfer printing Karl-Heinz Etzbach, Sabine Gruettner, Gunther Lamm, Helmut Reichelt, Ruediger Sens 1995-03-14
5393308 Mixtures of azo dyes for navy to black shades Arno Lange, Clemens Grund, Helmut Reichelt, Paul Anthony Richter 1995-02-28
5384402 Bichromophoric cyano-containing methine dyes and transfer thereof Karl-Heinz Etzbach, Ruediger Sens 1995-01-24
5376150 Use of pyridine dyes in the textile sector, dye mixtures with pyridine dyes, and triazolopyridine dyes having a thienyl radical Arno Lange, Ruediger Sens, Karl-Heinz Etzbach, Helmut Reichelt, Sabine Gruettner-Merten 1994-12-27
5371266 Bichromophoric cyano-containing methine dyes and transfer thereof Karl-Heinz Etzbach, Ruediger Sens 1994-12-06
5350873 Optically active phenoxypropionic esters Wolfgang Brox, Karl-Heinz Etzbach, Axel Paul, Karl Siemensmeyer 1994-09-27
5338445 Module for a reactor for anaerobic waste water treatment Michael Zumbragel 1994-08-16
5332520 Liquid-crystalline polymers of virtually uniform molecular weight Karl-Heinz Etzbach, Karl Siemensmeyer 1994-07-26
5312703 Reversible or irreversible production of an image Gerhard Wagenblast 1994-05-17
5312926 Indonaphthol dyes and thermal transfer thereof Karl-Heinz Etzbach, Ruediger Sens 1994-05-17
5310942 Pyridone dyes and thermal transfer thereof Ruediger Sens, Karl-Heinz Etzbach 1994-05-10