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:
Jan. 13, 2015
Filed:
Oct. 30, 2007
Applicants:
Karikath Su Varma, Southport, GB;
David Holden, Wigan, GB;
John Richard Holland, Ormskirk, GB;
Inventors:
Assignee:
Pilkington Group Limited, St. Helens, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 12/04 (2006.01); B32B 17/10 (2006.01); C09K 21/02 (2006.01);
U.S. Cl.
CPC ...
B32B 17/10311 (2013.01); C09K 21/02 (2013.01);
Abstract
The incorporation of polyvalent metal ions into a silicate based interlayer in a laminated fire resistant glazing produced using a cast in place process provides an improvement in the properties of those glazings. The preferred metal ions are aluminium ions and zirconium ions. The preferred polyvalent metal compounds are those which are disclosed in EP 1206349 and WO 2004/014813.