Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ethyl Corp
Original Assignee
Ethyl Corp
Filing date
Publication date
Priority claimed from US05/498,960external-prioritypatent/US3971352A/en
Priority claimed from US05/508,087external-prioritypatent/US3972324A/en
Application filed by Ethyl CorpfiledCriticalEthyl Corp
Application grantedgrantedCritical
Publication of AU7787675ApublicationCriticalpatent/AU7787675A/en
Publication of AU488757B2publicationCriticalpatent/AU488757B2/en