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. 08, 1980
Filed:
Mar. 12, 1979
Applicant:
Inventor:
Paul Mollard, Sainte-Foy-les-Lyon, FR;
Assignee:
Produits Chimiques Ugine Kuhlmann, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423281 ; 423266 ; 423274 ;
Abstract
A sodium perborate (NaBO.sub.2, H.sub.2 O.sub.2, 3H.sub.2 O) product having approximately spherical particles of size between about 250 and 600 microns, a bulk density between about 0.75 and 1.05 Kg./liter and a superior resistance to abrasion and impact, is prepared by a method comprising crystallization from a supersaturated aqueous solution of sodium perborate in the presence of an anionic surfactant and in the absence of alkaline metal silicates.