Inventor
ZECHLIN JOACHIM
DE11 patents
⚠️ This page may combine multiple inventors who share the name “ZECHLIN JOACHIM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER MATERIALSCIENCE AG
4 patentsUS7517829B2Apr 14, 2009
Process for the production of Raney nickel catalysts and their use in the hydrogenation of organic compounds
BAYER MATERIALSCIENCE AG5 citations60
US7202378B2Apr 10, 2007
Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
BAYER MATERIALSCIENCE AG1 citations59
US7202384B2Apr 10, 2007
Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
BAYER MATERIALSCIENCE AG1 citations58
US7057071B2Jun 6, 2006
Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1-5-naphthalenediamine and 1,5-naphthalene diisocyanate
BAYER MATERIALSCIENCE AG0 citations49
COVESTRO DEUTSCHLAND AG
4 patentsUS10836713B2Nov 17, 2020
Method for producing isocyanates in the gas phase
COVESTRO DEUTSCHLAND AG1 citations51
US12441680B2Oct 14, 2025
Method for producing isocyanates
COVESTRO DEUTSCHLAND AG0 citations45
US10975020B2Apr 13, 2021
Process for quenching a gaseous reaction mixture obtained in the gas phase phosgenation of diamines
COVESTRO DEUTSCHLAND AG0 citations44
US10435353B2Oct 8, 2019
Method for producing isocyanates
COVESTRO DEUTSCHLAND AG0 citations40