The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 31, 1984
Filed:
Apr. 04, 1983
Applicant:
Inventors:
Ricardo C Pastor, Manhattan Beach, CA (US);
Antonio C Pastor, Santa Monica, CA (US);
Luisa E Gorre, Oxnard, CA (US);
Remedios K Chew, Canoga Park, CA (US);
Assignee:
Hughes Aircraft Company, El Segundo, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01F / ;
U.S. Cl.
CPC ...
423263 ; 423592 ; 423593 ; 423600 ; 423618 ; 423335 ; 423339 ; 423625 ; 423630 ; 423608 ; 423610 ; 65 33 ; 501 53 ;
Abstract
The specification discloses a process for forming a water-free rare earth oxychloride powder by exposing a water-containing rare earth oxide powder to a reactive atmosphere of chlorine and oxygen at 1000.degree. C. for 24 hours to remove water impurities from the oxide powder and to simultaneously convert the oxide powder to the oxychloride powder.