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. 17, 2017
Filed:
Sep. 01, 2009
Applicants:
Karikath Sukumar Varma, Southport, GB;
John Richard Holland, Ormskirk, GB;
David William Holden, Wigan, GB;
Stephen Ian Bond, Warrington, GB;
Inventors:
Karikath Sukumar Varma, Southport, GB;
John Richard Holland, Ormskirk, GB;
David William Holden, Wigan, GB;
Stephen Ian Bond, Warrington, GB;
Assignee:
PILKINGTON PLC, St. Helens, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 3/02 (2006.01); B32B 17/10 (2006.01); B32B 17/06 (2006.01);
U.S. Cl.
CPC ...
B32B 17/10311 (2013.01); B32B 17/069 (2013.01); B32B 17/10036 (2013.01);
Abstract
Fire resistant glazings comprise a fire resistant interlayer based upon a silicate waterglass are characterized by the incorporation of aluminum ions. The aluminate is incorporated as a solution which has been partially neutralized using hydroxycarboxylic acid which is preferably citric acid. The incorporation of aluminum provides glazings have improved fire resistance and impact properties.