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:
Mar. 28, 2000
Filed:
Aug. 28, 1998
Applicant:
Inventors:
Edward Henry Davies, Orpington, GB;
Bipin Chandra Patel, Greenford, GB;
Gavin John Pearson, Ashampstead, GB;
Alan Donald Wilson, Liphook, GB;
Assignee:
BTG International Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; A61K / ;
U.S. Cl.
CPC ...
523116 ; 524450 ; 524547 ; 524556 ; 524832 ; 528503 ; 4332281 ; 106 35 ;
Abstract
Glass polyalkenoate (glass ionomer) cements are used formed into dental crowns, despite their reputedly inadequate toughness, strength and wear-resistance early after forming for such an application, by heating the newly formed glass ionomer crown under a relative humidity of 100% in a bomb under silicone oil at 120-200.degree. C. for an hour.