Inventor

WALLENWEIN SIEGFRIED

DE4 patents

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

HOECHST AG

2 patents

US5859169AJan 12, 1999

Urethane-modified novolaks for increasing the steel cord adhesion and rigidity of vulcanized rubber blends

HOECHST AG11 citations72

US5502109AMar 26, 1996

Process for the production of heat-stable moldings useful as a friction lining for grinding tools

HOECHST AG4 citations60

SOLUTIA GERMANY GMBH & CO KG

2 patents

US6828391B2Dec 7, 2004

Plastified novolaks as additive to rubber mixtures

SOLUTIA GERMANY GMBH & CO KG4 citations59

US6686418B2Feb 3, 2004

Rubber products with low heat build up on mechanical stressing

SOLUTIA GERMANY GMBH & CO KG2 citations59