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

Andreas Stange — 19 Patents

Basf Se: 18 patents #788 of 13,826Top 6%
Mannheim, DE: #98 of 2,026 inventorsTop 5%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Andreas Stange has been granted 19 US patents while listed as an inventor at Basf Se. The first was granted in 1987 and the most recent in June 2004. Andreas Stange ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Andreas Stange in Mannheim, DE.

Patents per Year

Patents granted per year, 1987 to 2004Bar chart with a peak of 3 patents in 1996.peak 31987: 1 patents19871989: 2 patents1990: 1 patents19901991: 1 patents1993: 1 patents19931994: 1 patents1995: 1 patents19951996: 3 patents1997: 1 patents19971998: 1 patents2000: 3 patents20002003: 1 patents2004: 2 patents2004

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6746542 Modifying starch with cationic polymers and use of the modified starches as dry-strength agent Primoz Lorencak, Kurt Diehl, Norbert Mahr 2004-06-08 $276,000
6710175 Compositions suitable as additives in the paper industry, preparation; use; and, paper comprising such Kevin R. Anderson, Anton Esser, Lawrence E. Fosdick, Ki-Oh Hwang, Norbert Mahr +4 more 2004-03-23
6616807 Method for producing high dry-strength paper, pulpboard and cardboard Rainer Dyllick-Brenzinger, Primoz Lorencak, Hubert Meixner, Peter G. Baumann, Ellen Krüger +1 more 2003-09-09 $368,000
6114435 Preparation of aqueous solutions of polymers containing vinylamine units, which solutions have a long shelf life, and their use Claudia Nilz, Manfred Winter, Michael Kroner, Rudolf Schuhmacher 2000-09-05 $204,000
6060566 Graft polymers of polymers containing vinyl ester and/or vinyl alcohol units and ethylenically unsaturated compounds, their preparation and their use Walter Denzinger, Martin Rubenacker, Claudia Nilz, Primoz Lorencak, Dietmar Monch +1 more 2000-05-09
6048945 Graft polymers comprising polymers, containing alkylene oxide units, and ethylenically unsaturated compounds, their preparation and their use Walter Denzinger, Martin Rubenacker, Claudia Nilz, Primoz Lorencak, Dietmar Monch +1 more 2000-04-11
5851300 Cationic modification of starch and use of the cationically modified starch Friedrich Linhart, Rudolf Schuhmacher, Heinrich Hartmann, Walter Denzinger, Manfred Niessner +3 more 1998-12-22
5630907 Use of hydrolyzed copolymers of N-vinylcarboxamides and monoethylenically unsaturated carboxylic acids in papermaking Claudia Nilz, Walter Denzinger, Heinrich Hartmann, Michael Kroener, Friedrich Linhart +2 more 1997-05-20
5578678 Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use Heinrich Hartmann, Walter Denzinger, Michael Kroener, Claudia Nilz, Friedrich Linhart 1996-11-26
5554718 Catonic urea/formaldehyde resins, their preparation and their use in the paper industry Klaus Flory, Michael Kroener, Norbert Sendhoff 1996-09-10
5543459 Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use Heinrich Hartmann, Walter Denzinger, Michael Kroener, Claudia Nilz, Friedrich Linhart 1996-08-06
5478656 Cationic urea/formaldehyde resins, their preparation and their use in the paper industry Klaus Flory, Michael Kroener, Norbert Sendhoff 1995-12-26
5334287 Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use Heinrich Hartmann, Walter Denzinger, Michael Kroener, Claudia Nilz, Friedrich Linhart 1994-08-02
5262008 Production of paper, board and cardboard in the presence of copolymers containing N-vinylformamide units Dietmar Moench, Heinrich Hartmann, Enrique Freudenberg 1993-11-16
4981913 Bridged, water-soluble copolymers, their preparation and their use Dietmar Moench, Joerg Liebe, Heinrich Hartman, Franz Merger, Manfred Schwartz 1991-01-01
4940514 Making paper, board and cardboard of high dry strength Hans-Juergen Degen, Werner Auhorn, Volkmar Weberndoerfer, Michael Kroener, Heinrich Hartmann 1990-07-10
4845223 Fluorescent aryloxy-substituted perylene-3,4,9,10-tetracarboxylic acid diimides Guenther Seybold 1989-07-04
4818341 Production of paper and paperboard of high dry strength Hans-Juergen Degen, Sigberg Pfohl, Volkmar Weberndoerfer, Gerd Rehmer, Michael Kroener 1989-04-04
4667417 Preparation of aerogels Fritz Graser 1987-05-26