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. 25, 2003
Filed:
Mar. 19, 2001
Applicant:
Inventors:
Ashley Carl Torr, Ormskirk, GB;
Louise Sara Butcher, Lymm, GB;
Assignee:
Pilkington plc, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/710 ; C03C 3/087 ; C03C 4/02 ; C03C 4/08 ;
U.S. Cl.
CPC ...
B32B 1/710 ; C03C 3/087 ; C03C 4/02 ; C03C 4/08 ;
Abstract
A high performance green glass composition containing at least 14.5% by weight Na O, at least 10.5% by weight CaO, at least 0.5% by weight total iron (measured as Fe O ) and is substantially magnesium-free, the glass thus produced having a ferrous value of at least 30% and a performance (light transmission minus Direct Solar Heat Transmission) of at least 28% at at least one thickness of 2.8 mm to 5 mm. The invention also relates to glasses made from such composition and to a laminated glass assembly in which two sheets of glass sandwich a polymeric material, at least one, preferably both, of the sheets of glass having such a composition.