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:
Jan. 25, 1977
Filed:
Jun. 10, 1975
Applicant:
Inventor:
Jean Brichard, Vilvoorde, BE;
Assignee:
Solvay & Cie, Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract
Granules of ammonium or alkali metal poly-.alpha.-hydroxyacrylates having an apparent specific gravity of between 0.35 and 0.55 kg/dm.sup.3 and an ability to flow, expressed by the time taken for a weight of 250 g to flow through the 16 mm diameter orifice of an analysis funnel with a short stem, not exceeding 10 seconds are disclosed. The granules are prepared by agglomerating solid particles of small dimensions by spraying them in a fluid bed with a solution of poly-.alpha.-hydroxyacrylate.