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. 05, 1977
Filed:
May. 17, 1976
Applicant:
Inventors:
Laurent Seigneurin, Salindres, FR;
Michel Brunet, Rousson, FR;
Assignee:
Rhone-Poulenc Industries, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423462 ; 252463 ; 423466 ; 423467 ; 423626 ; 423629 ;
Abstract
The preparation of a material consisting essentially or largely of aluminum hydroxychlorides having the general formula Al.sub.2 (OH).sub.X Cl.sub.6.sub.-X, in which X is a value up to 5 or more and obtained by reacting active alumina, secured by partial dehydration of hydrates of alumina, with hydrochloric acid or aluminum chloride in which the active alumina has a specific surface area of at least 200 m.sup.2 /g.