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:
Oct. 21, 1980
Filed:
Sep. 29, 1978
Applicant:
Inventors:
Robert A Frosch, , US;
Graham C Shaw, Garland, UT (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01F / ;
U.S. Cl.
CPC ...
2329 / ; 75 25 ; 1491084 ; 260 / ; 252364 ; 423-1 ; 423131 ; 4236585 ; 525384 ; 526914 ;
Abstract
Aluminum is recovered from solid rocket propellant containing a small amount of oxidizer by depolymerizing and dissolving propellant binder containing functional or hydrolyzable groups in a solution of sodium methoxide in an alcohol solvent optionally containing an aliphatic or aromatic hydrocarbon co-solvent and then filtering the solution to recover substantially all the aluminum in active form.