Inventor

HILKEN PERSEFONI

DE3 patents

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

COVESTRO DEUTSCHLAND AG

2 patents

US11434321B2Sep 6, 2022

Flame-retardant polyurethane rigid foams

COVESTRO DEUTSCHLAND AG0 citations57

US11352462B2Jun 7, 2022

Flame-retarded rigid polyurethane foams

COVESTRO DEUTSCHLAND AG0 citations47

COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG

1 patent

US10907007B2Feb 2, 2021

Polyurethane foams based on polyethercarbonate polyols

COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG0 citations45