Thomas Barth has been granted 4 US patents while listed as an inventor at Basf Se . The first was granted in 2000 and the most recent in October 2004. Thomas Barth ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Thomas Barth in Ludwigshafen, DE.
Patents per Year Patents granted per year, 2000 to 2004 Bar chart with a peak of 2 patents in 2000. peak 2 2000: 2 patents 2000 2002: 1 patents 2002 2004: 1 patents 2004
Issued Patents All Time
Profile Widget
Showing 1–4 of 4 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6802882
Nitrification inhibitors, and the use of polyacids which contain a nitrification inhibitor for the treatment of inorganic fertilizers
Norbert Rieber , Randall Evan Gold , Jurgen Dressel , Klaus Erhardt , Klaus Horchler von Locquengh +2 more
2004-10-12
$267,000
6488734
Nitrification inhibitors, and the use of polyacids which contain a nitrification inhibitor for the treatment of inorganic fertilizers
Norbert Rieber , Randall Evan Gold , Jurgen Dressel , Klaus Erhardt , Klaus Horchler von Locquengh +2 more
2002-12-03
$463,000
6139596
Nitrification inhibitors and the use of polyacids to treat mineral fertilizers containing a nitrification inhibitor
Norbert Rieber , Randall Evan Gold , Jurgen Dressel , Klaus Erhardt , Klaus Horchler von Locquengh +2 more
2000-10-31
$249,000
6022979
Process for preparing pyrazoles
Norbert Rieber , Klaus Erhardt
2000-02-08