Inventor
Hofmann Jörg
DE39 patents
⚠️ This page may combine multiple inventors who share the name “Hofmann Jörg”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COVESTRO DEUTSCHLAND AG
18 patentsUS10106641B2Oct 23, 2018
Mixtures of polyether carbonate polyols and polyether polyols for producing polyurethane soft foams
COVESTRO DEUTSCHLAND AG18 citations85
US11130842B2Sep 28, 2021
Process for the preparation of polyether polyols
COVESTRO DEUTSCHLAND AG2 citations73
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
US10093772B2Oct 9, 2018
Process for the production of polyoxymethylene block copolymers
COVESTRO DEUTSCHLAND AG3 citations71
US9676905B2Jun 13, 2017
Polyether carbonate polyol production method
COVESTRO DEUTSCHLAND AG3 citations71
US9714216B2Jul 25, 2017
Use of urethane alcohols for preparation of polyether polyols
COVESTRO DEUTSCHLAND AG3 citations70
US10138328B2Nov 27, 2018
Method for producing polyether carbonate polyols
COVESTRO DEUTSCHLAND AG2 citations68
US10239995B2Mar 26, 2019
Process for preparing polyether carbonate polyols
COVESTRO DEUTSCHLAND AG1 citations62
US10487175B2Nov 26, 2019
Use of alcohols containing at least two urethane groups for preparation of polyether polyols
COVESTRO DEUTSCHLAND AG1 citations61
US10519276B2Dec 31, 2019
Use of alcohols which contain at least two urethane groups for producing polyether carbonate polyols
COVESTRO DEUTSCHLAND AG0 citations51
US10759902B2Sep 1, 2020
Process for the production of polyoxymethylene block copolymers
COVESTRO DEUTSCHLAND AG0 citations50
US10208162B2Feb 19, 2019
Method for the production of polyether carbonate polyols and device therefor
COVESTRO DEUTSCHLAND AG0 citations50
US10040901B2Aug 7, 2018
Method for producing polyether carbonate polyols
COVESTRO DEUTSCHLAND AG1 citations50
US11345775B2May 31, 2022
Polyurethane foams based on polyethercarbonate polyols
COVESTRO DEUTSCHLAND AG0 citations47
US10836858B2Nov 17, 2020
Method for producing polyether carbonate polyols
COVESTRO DEUTSCHLAND AG0 citations39
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
Gürtler Christoph
4 patentsUS8946466B2Feb 3, 2015
Method for producing polyether carbonate polyols
Gürtler Christoph24 citations91
US8933192B2Jan 13, 2015
Process for the activation of double metal cyanide catalysts for the preparation of polyether carbonate polyols
Gürtler Christoph21 citations91
US9045592B2Jun 2, 2015
Process for the preparation of polyether carbonate polyols
Gürtler Christoph9 citations83
US9382417B2Jul 5, 2016
Process for the preparation of polyether carbonate polyols
Gürtler Christoph3 citations72
NEFZGER HARTMUT
4 patentsUS9139685B2Sep 22, 2015
Process for the preparation of a polyurethane polymer with secondary hydroxyl end groups comprising polyester polyols
NEFZGER HARTMUT6 citations72
US9328196B2May 3, 2016
Process for the preparation of polyricinoleic acid ester polyols having primary hydroxyl end groups
NEFZGER HARTMUT0 citations51
US9193822B2Nov 24, 2015
Process for producing polyester polyols having secondary OH end groups
NEFZGER HARTMUT1 citations51
US9029495B2May 12, 2015
Process for producing polyether polyols having primary hydroxyl end groups
NEFZGER HARTMUT1 citations51
ADHESYS MEDICAL GMBH
3 patentsUS9757492B2Sep 12, 2017
Hydroxy amino polymer and use thereof in polyurea/polyurethane tissue adhesives
ADHESYS MEDICAL GMBH2 citations71
US9468701B2Oct 18, 2016
Isocyanate-functional prepolymer for a biologically degradable fabric adhesive
ADHESYS MEDICAL GMBH0 citations51
US9580540B2Feb 28, 2017
Hydroxy amino polymer and use thereof in polyurea/polyurethane tissue adhesives
ADHESYS MEDICAL GMBH0 citations50