AH

Antonius Johannes van Hengstum

AN Akzo N.V.: 2 patents #175 of 803Top 25%
FA Flexsys America: 1 patents #15 of 30Top 50%
📍 Deventer, NL: #22 of 180 inventorsTop 15%
Overall (All Time): #1,013,411 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
RE44175 Process for preparing 4-aminodiphenylamines Roger Keranen Rains, Ralph Albert Genetti, Edward Albert Lambers 2013-04-23
6465691 Solvent-free process for preparing thiuram disulfides Robertus Hermanus Jozef Bloemenkamp 2002-10-15
6140538 Process for preparing 4-aminodiphenylamines Roger Keranen Rains, Ralph Albert Genetti, Edward Albert Lambers 2000-10-31
5246569 Process for the hydrodesulfurization of light hydrocarbon feeds Jacobus J. L. Heinerman, Menno de Mind 1993-09-21
5139990 Process for the preparation of a resulfided catalyst Jan de Jong, Ludwig Eisenhuth, Johannes W. F. M. Schoonhoven 1992-08-18