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:
Jul. 21, 1992
Filed:
May. 09, 1991
Richard Layton, Augusta, GA (US);
Paul J Huspeni, North Augusta, SC (US);
Paul D Frayer, Martinez, GA (US);
Amoco Corporation, Chicago, IL (US);
Abstract
A molded article of permanent ovenware comprising (A) 35-85% by weight of a wholly aromatic polyester resin; (B) 15-65% by weight of a specifically defined talc containing a minimum amount of materials decomposable at elevated temperatures; and (C) 0-20% titanium dioxide, wherein the wholly aromatic polyester resin (A) is a blend comprising a first resin based on repeating units of hydroquinone, isophthalic acid (or mixtures of iso- and terephthalic acids), and para-hydroxybenzoic acid, and a second resin based on repeating units of biphenol, isophthalic acid, terephthalic acid and para-hydroxybenzoic acid. The ovenware shows excellent resistance to blistering, bubbling and cracking during molding and oven use.