Inventor
THARAPPEL RONALD
US6 patents
⚠️ This page may combine multiple inventors who share the name “THARAPPEL RONALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FINA TECHNOLOGY
5 patentsUS6916892B2Jul 12, 2005
Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene
FINA TECHNOLOGY38 citations94
US7056991B2Jun 6, 2006
Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene
FINA TECHNOLOGY19 citations91
US7053163B1May 30, 2006
Controlled comonomer distribution along a reactor for copolymer production
FINA TECHNOLOGY24 citations88
US7390860B2Jun 24, 2008
Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene
FINA TECHNOLOGY2 citations61
US7960484B2Jun 14, 2011
Method for transitioning between ziegler-natta and metalocene catalysts in a bulk loop reactor for the production of polypropylene
FINA TECHNOLOGY0 citations50