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:
May. 12, 1987
Filed:
Nov. 14, 1983
Applicant:
Inventor:
Richard E Hall, Trenton, NJ (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ;
U.S. Cl.
CPC ...
423304 ; 423322 ;
Abstract
In the process of purifying yellow phosphorus by treating liquid yellow phosphorus with active carbon and separating the purified phosphorus from the spent active carbon containing adhering phosphorus, the spent active carbon is mixed with sufficient liquid phosphorus to form a slurry which is pumped to a disposal zone. The disposal zone is preferably a phosphorus furnace.