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:
Jun. 06, 1978
Filed:
Dec. 27, 1976
Applicant:
Inventors:
Elizabeth L MacNamara, Holland, PA (US);
Fred Pearlstein, Philadelphia, PA (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252527 ; 252 / ; 252135 ; 252156 ; 252173 ; 252D / ; 252D / ;
Abstract
Spray cleaner formulations useful in the surface treatment of metallic amition components and the like and comprising sodium metasilicate, sodium carbonate, and either sodium hydroxide or ethylenediamine tetraacetic acid, the cleaner formulation being completely devoid of phosphates such that the spent cleaning formulation, when discharged into waterways, will not promote algae growth therein or eutrophication thereof.