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:
Feb. 24, 1981
Filed:
Jan. 15, 1979
Applicant:
Inventors:
Nicholas Kharsas, Elsternwick, AU;
Philip S Stewart, Beaumaris, AU;
Assignees:
ICI Australia Limited, Melbourne, AU;
Woodsreef Mines Limited, New South Wales, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
162-3 ; 162 72 ; 162 76 ; 162153 ; 162155 ; 106 99 ;
Abstract
A process of separating fibres from asbestos-bearing material which process comprises the steps by treating said asbestos-bearing material with a chemical agent capable of reacting with, or adsorbing on, asbestos fibres to form a dispersion, and agglomerating said dispersion, and wherein effluents containing said chemical agent are subjected to ultrafiltration prior to re-use in the process. The process given high yields of novel fibres characterized in that the said fibres provide reinforcement in cementitious compositions.