Inventor

VAN HENGSTUM ANTONIUS JOHANNES

NL3 patents

⚠️ This page may combine multiple inventors who share the name “VAN HENGSTUM ANTONIUS JOHANNES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FLEXSYS AMERICA LP

1 patent

US6140538AOct 31, 2000

Process for preparing 4-aminodiphenylamines

FLEXSYS AMERICA LP39 citations86

FLEXSYS BV

1 patent

US6465691B1Oct 15, 2002

Solvent-free process for preparing thiuram disulfides

FLEXSYS BV2 citations49

RAINS ROGER KERANEN

1 patent

USRE44175EApr 23, 2013

Process for preparing 4-aminodiphenylamines

RAINS ROGER KERANEN0 citations39