Inventor

WEIS SIEGFRIED

DE4 patents

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

HOECHST AG

2 patents

US5760147AJun 2, 1998

Polyamide foams and process for their production

HOECHST AG6 citations73

US5708041AJan 13, 1998

Foamable molding compositions

HOECHST AG5 citations72

CELANESE VENTURES GMBH

1 patent

US6342300B1Jan 29, 2002

Biodegradable polymers based on natural and renewable raw materials especially isosorbite

CELANESE VENTURES GMBH50 citations94

HOECHST AKTINEGESELLSCHAFT

1 patent

US5786397AJul 28, 1998

Foamable molding compositions

HOECHST AKTINEGESELLSCHAFT5 citations70