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:
Oct. 15, 1985
Filed:
May. 25, 1983
Applicant:
Inventors:
Graham V Jackson, Chester, GB;
William N Meredith, Chester, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501 84 ; 501 85 ; 106 86 ;
Abstract
Strong rigid foams comprising one or more layer minerals useful as insulation and fire-protection materials contain cells of which the mean diameter is below 60 microns, 90% have a diameter below 100 microns and substantially all are of diameter below 150 microns and are made by gasifying an aqueous suspension of the layer mineral(s) to produce a wet foam or froth containing bubbles of gas of which the diameters are as stated above and removing water from the wet foam or froth.