Inventor
LAEMMERHOLD KAI
DE17 patents
⚠️ This page may combine multiple inventors who share the name “LAEMMERHOLD KAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COVESTRO DEUTSCHLAND AG
15 patentsUS10106641B2Oct 23, 2018
Mixtures of polyether carbonate polyols and polyether polyols for producing polyurethane soft foams
COVESTRO DEUTSCHLAND AG18 citations85
US10233298B2Mar 19, 2019
Polyurethane foams based on polyether carbonate polyols
COVESTRO DEUTSCHLAND AG2 citations72
US10125217B2Nov 13, 2018
Method for producing polyether carbonate polyols
COVESTRO DEUTSCHLAND AG2 citations71
US9815965B2Nov 14, 2017
Method for producing polyether carbonate polyols
COVESTRO DEUTSCHLAND AG4 citations71
US9714216B2Jul 25, 2017
Use of urethane alcohols for preparation of polyether polyols
COVESTRO DEUTSCHLAND AG3 citations70
US10662314B2May 26, 2020
Method for producing polyether carbonate polyols
COVESTRO DEUTSCHLAND AG1 citations61
US11370874B2Jun 28, 2022
Method for the production of thermoplastic polyoxazolidone polymers
COVESTRO DEUTSCHLAND AG1 citations58
US11299577B2Apr 12, 2022
Method for the production of thermoplastic polyoxazolidinone polymers
COVESTRO DEUTSCHLAND AG1 citations58
US11512164B2Nov 29, 2022
Composite material comprising a polyurethane-polyacrylate resin matrix
COVESTRO DEUTSCHLAND AG0 citations50
US10040901B2Aug 7, 2018
Method for producing polyether carbonate polyols
COVESTRO DEUTSCHLAND AG1 citations50
US12466913B2Nov 11, 2025
Method for the production of a thermoplastic polyoxazolidinone
COVESTRO DEUTSCHLAND AG0 citations48
US12378348B2Aug 5, 2025
Method for the production of a thermoplastic polyoxazolidinone
COVESTRO DEUTSCHLAND AG0 citations48
US11345775B2May 31, 2022
Polyurethane foams based on polyethercarbonate polyols
COVESTRO DEUTSCHLAND AG0 citations47
US9957352B2May 1, 2018
Use of urethane alcohols for preparing polyether carbonate polyols
COVESTRO DEUTSCHLAND AG0 citations38
US10421836B2Sep 24, 2019
Process for purifying polycarbonate polyols and purifying apparatus therefor
COVESTRO DEUTSCHLAND AG0 citations37