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:
May. 18, 1982
Filed:
Mar. 17, 1980
Applicant:
Inventors:
David R Cockram, Wigan, GB;
Kenneth M Fyles, Wigan, GB;
Assignee:
Pilkington Brothers Limited, Mereyside, GB;
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ; C04B / ;
U.S. Cl.
CPC ...
501 38 ; 106 99 ; 252625 ; 252629 ; 501 57 ; 501 58 ; 501 59 ; 501 63 ; 501 64 ;
Abstract
Alkali-resistant glass fibres, in the form of continuous-filament for use as reinforcement in cementitious products, or in the form of glass wool, are given enhanced alkali resistance by the incorporation of ThO.sub.2. The fibres are formed from a glass composition comprising, in weight percentages: