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. 14, 2000
Filed:
Mar. 20, 1998
Applicant:
Inventors:
Steven M Weiser, Perrysburg, OH (US);
James E Fenstermacher, Maumee, OH (US);
Joseph J Hammel, Pittsburgh, PA (US);
Robert N Clark, Sylvania, OH (US);
Assignee:
Owens-Brockway Glass Container Inc., Toledo, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ;
U.S. Cl.
CPC ...
501 70 ; 501905 ;
Abstract
A container glass composition that reduces U.V. light transmission below a wavelength of about 400 nanometers, the composition having melting and forming properties similar to soda-lime-silica glass and containing SiO.sub.2, CaO, MgO, K.sub.2 O, SO.sup.-.sub.3, and a U.V. absorbing amount of about 0.4 to 0.8 weight percent FeO+Fe.sub.2 O.sub.3, and about 2 to 4 weight percent of MnO+MnO.sub.2.