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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Johannes Perner — 43 Patents

Basf Se: 42 patents #201 of 13,826Top 2%
Neustadt, DE: #14 of 452 inventorsTop 4%
Overall (All Time): #69,380 of 4,157,543Top 2%
43 Patents All Time
Johannes Perner has been granted 43 US patents while listed as an inventor at Basf Se. The first was granted in 1980 and the most recent in July 2005. Johannes Perner ranks #69,380 of 4,157,543 US inventors in our database (top 1.7%). Patent records list Johannes Perner in Neustadt, DE.

Patents per Year

Patents granted per year, 1980 to 2005Bar chart with a peak of 5 patents in 1980.peak 51980: 5 patents19801981: 4 patents1984: 1 patents19841986: 2 patents1987: 5 patents19871989: 1 patents1990: 3 patents19901991: 3 patents1992: 1 patents19921993: 1 patents1994: 3 patents19941996: 3 patents1997: 2 patents19971998: 2 patents1999: 1 patents19992002: 1 patents2003: 1 patents20032004: 1 patents2005: 3 patents2005

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6921746 Multifunctional polymers, method for the production and use thereof Iris Rau, Christian Ott, Richard Baur 2005-07-26 $645,000
6855762 Method for producing water soluble polymer of esters from ethylenically unsaturated carboxylic acids and polyalkylene glycols Matthias Kroner, Karl-Heinz Buchner, Hans-Jurgen Raubenheimer, Dieter Faul 2005-02-15 $437,000
6846882 Method for modifying acid group containing polymers Matthias Kroner, Karl-Heinz Buchner, Jochen Wild, Jürgen Pfister 2005-01-25 $393,000
6756471 Process for the preparation of water-soluble polymers containing polyalkylene glycol ether side chains Matthias Kroner, Karl-Heinz Buchner 2004-06-29 $340,000
6545067 Additives for mineral building materials containing cement Karl-Heinz Buchner, Michael Ehle, Knut Oppenlander, Markus Hartmann, Wolfgang H. H. Gunther +1 more 2003-04-08 $989,000
6384111 Polymers containing carboxyl groups and polyalkylene ether side- chains as additives in mineral building materials Axel Kistenmacher, Paul Klingelhofer, Markus Hartmann, Alfred Ruland 2002-05-07 $365,000
5952438 Polymeric polyamines from alternating polyketones Detlef Kratz, Ferdinand Lippert, Peter Schwab, Dieter Boeckh 1999-09-14
5830844 Dye transfer inhibitors for detergents Jürgen Detering, Christian Schade, Hans-Ulrich Jager 1998-11-03
5766612 Use of endgroup-capped fatty amide alkoxylates Beate Strecker, Günter Oetter, Alfred Oftring, Richard Baur, Volker Schwendemann +2 more 1998-06-16
5658993 Water-soluble or water-dispersible graft copolymers, the preparation thereof and the use thereof Walter Denzinger, Axel Kistenmacher, Angelika Funhoff, Birgit Potthoff-Karl, Hans-Jurgen Raubenheimer 1997-08-19
5656646 Mixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids and their use Paul Diessel, Helmut Guembel, Walter Denzinger, Heinrich Hartmann, Matthias Kroner 1997-08-12
5576407 Copolymers of hydroxyalkyl vinyl ethers for use in detergents and cleaning agents Matthias Kroner, Heinrich Hartmann, Gerhard Wolf, Richard Baur, Paul Diessel +2 more 1996-11-19
5536884 Mixture of at least two alkoxylated alcohols and use thereof as a foam-suppressing surfactant additament in cleaning compositions for mechanized cleaning processes Dieter Stoeckigt, Richard Baur, Horst Trapp 1996-07-16
5520834 Polyacetals containing acetaldehyde acetal units, preparation thereof and use thereof in detergents and cleaners Matthias Kroner, Heinrich Hartmann, Hans-Ulrich Jaeger, Paul Diessel, Richard Baur +1 more 1996-05-28
5374681 Polyacetals based on divinyl ethers, dihydroxy compounds and monohydroxy compounds Matthias Kroner, Heinrich Hartmann, Richard Baur, Volker Schwendemann, Hans-Ulrich Jaeger 1994-12-20
5330675 Use of polyacetals based on vinyl ethers and dihydroxy compounds in detergents and cleaners and polyacetals Matthias Kroner, Heinrich Hartmann, Richard Baur, Volker Schwendemann, Hans-Ulrich Jaeger 1994-07-19
5286401 Use of heterocyclic compounds as bleach activators or optical brighteners in washing and cleaning agents Bernhard Dung, Wolfgang Trieselt, Erwin Hahn, Alfred Oftring 1994-02-15
5206443 Alkanediol bisacetals Richard Baur, Helmut Guembel, Alfred Oftring, Gerhard Wolf 1993-04-27
5143840 Substantially purified proteolytic enzyme from Bacillus spec. USNI 4828 method of making and using it Hansjoerg Rettenmaier, Andreas Kreimeyer, Paul Diessel 1992-09-01
5025103 Glycerol aminocarboxylates and preparation and use thereof Alfred Oftring, Stefan Birnbach, Rolf Fikentscher, Richard Baur, Alexander Kud +1 more 1991-06-18
5009805 Liquid detergent with copolymer additive Paul Diessel, Heinrich Hartmann, Walter Denzinger, Alfred Oftring, Willibald Schoenleben 1991-04-23
5008032 Use of partially esterified copolymers in liquid detergents Paul Diessel, Walter Denzinger, Heinrich Hartmann, Hans-Juergen Raubenheimer 1991-04-16
4956421 Preparation of oxyalkylated, carboxyl-containing polymers Walter Denzinger, Heinrich Hartmann, Richard Baur, Wolfgang Trieselt, Horst Trapp +1 more 1990-09-11
4952332 Detergents that contain acyl derivatives of dihydroxydioxane as bleach activators Rolf Fikentscher, Alfred Oftring, Werner Bochnitschek, Gerold Braun, Ulrich Kaluza +1 more 1990-08-28
4939246 Purification of long-chain alkylglucosides Richard Baur, Jochen Houben, Hans-Ulrich Jaeger, Alfred Oftring 1990-07-03