Inventor

VAN DE BRAAK JOHANNES

DE5 patents

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

NEFZGER HARTMUT

2 patents

US8481606B2Jul 9, 2013

Process for the production of polyester polyols with low volumes of dioxane waste

NEFZGER HARTMUT2 citations58

US9605106B2Mar 28, 2017

Polyester polyols made of isophthalic acid and/or terephthalic acid and oligoalkyl oxides

NEFZGER HARTMUT0 citations31

BAYER MATERIALSCIENCE AG

1 patent

US7540932B2Jun 2, 2009

Apparatus and process for the production of sandwich composite elements

BAYER MATERIALSCIENCE AG11 citations76

ROERS ROLF

1 patent

US8592623B2Nov 26, 2013

Method for producing polyester polyols having low amounts of dioxane waste

ROERS ROLF2 citations55

VAN DE BRAAK JOHANNES

1 patent

US9382371B2Jul 5, 2016

Method for producing a foam composite element

VAN DE BRAAK JOHANNES2 citations53