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 US06/406,074external-prioritypatent/US4419228A/en
Application filed by Anglo American Clays CorpfiledCriticalAnglo American Clays Corp
Application grantedgrantedCritical
Publication of ATE41322T1publicationCriticalpatent/ATE41322T1/de
AT83902835T1982-08-061983-07-29Herstellungsverfahren von lehmen hoher helligkeit unter verwendung von magnetischer anreicherung und kalzinieren.
ATE41322T1
(de)