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:
Nov. 27, 1984
Filed:
Jun. 28, 1982
Applicant:
Inventors:
William D Potter, Bishops Stortford, GB;
Andrew C Barclay, Harlow, GB;
Reginald Dunning, Parbold, near Wigan, GB;
Richard J Parry, Southport, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 85 ; 128 / ; 128 / ; 501 73 ;
Abstract
A water hardenable cement composition comprising a fluorine-free calcium alumino silicate glass in particulate form in which the individual particulates have a particle size of less than 100 microns consisting essentially of 25-35% silica, 27-35% calcium oxide, 25-40% alumina, up to 4% of an alkali metal oxide, up to 5% of titania, the total amount of alkali metal oxide and titania being 0.5-9%, wherein the ratio of calcium oxide to silica is 0.7:1 to 1:0-7, together with a polycarboxylic acid.