Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/668,857external-prioritypatent/US6815511B2/en
Application filed by Chevron Phillips Chemical CofiledCriticalChevron Phillips Chemical Co
Application grantedgrantedCritical
Publication of ATE502055T1publicationCriticalpatent/ATE502055T1/de