Inventor
MANZEL DIRK
DE7 patents
⚠️ This page may combine multiple inventors who share the name “MANZEL DIRK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COVESTRO DEUTSCHLAND AG
6 patentsUS10577311B2Mar 3, 2020
Method for producing isocyanates
COVESTRO DEUTSCHLAND AG5 citations68
US11365172B2Jun 21, 2022
Production plant for producing a chemical product by reacting H-functional reactants with phosgene, and method for operating same with an interruption to production
COVESTRO DEUTSCHLAND AG0 citations47
US11213867B2Jan 4, 2022
Method for cleaning phosgene conducting apparatus
COVESTRO DEUTSCHLAND AG0 citations44
US9815703B2Nov 14, 2017
Method for starting up and shutting down a phosgene generator
COVESTRO DEUTSCHLAND AG0 citations44
US10280135B2May 7, 2019
Method for producing isocyanates
COVESTRO DEUTSCHLAND AG0 citations39
US10364214B1Jul 30, 2019
Method for producing isocyanates
COVESTRO DEUTSCHLAND AG0 citations37