JL

Joannes Albertus Wilhelmus Lemmens

DB Dsm Ip Assets B.V.: 5 patents #249 of 2,011Top 15%
📍 Roermond, NL: #25 of 149 inventorsTop 20%
Overall (All Time): #1,029,527 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7365195 Process for purifying caprolactam Theodorus Maria Smeets, Paul M. Brandts, Koen Harry Maria K. H. M. Ceyssens 2008-04-29
7358357 Process for preparing caprolactam by admixture of cyclohexanone oxime to a reaction mixture under turbulent flow conditions Theodorus Maria Smeets, Frank Mostert, Peter Wei-Hae P. W-H. Cheng 2008-04-15
7351820 Process for preparing caprolactam by Beckmann rearrangement Petrus J. H. Thomissen, Theodorus Maria Smeets 2008-04-01
7339056 Continuous process for preparing caprolactam Frank Mostert, Theodorus Maria Smeets 2008-03-04
6849731 Process for recovering and purifying caprolactam from an organic solvent Maria Louisa Christina Dsinter-De Hondt 2005-02-01