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:
Apr. 16, 2013
Filed:
Mar. 07, 2012
Applicants:
Jeffrey Shock, Castle Rock, CO (US);
Elam Leed, Pine Grove, CO (US);
Jonathan Mccann, Castle Rock, CO (US);
Inventors:
Jeffrey Shock, Castle Rock, CO (US);
Elam Leed, Pine Grove, CO (US);
Jonathan McCann, Castle Rock, CO (US);
Assignee:
Johns Manville, Denver, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B 37/01 (2006.01); C03B 37/095 (2006.01); C03C 13/06 (2006.01); C03C 6/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A glass composition useful in preparing fiberglass comprises 12 to 25 weight % CaO; 12 to 16 weight % AlO; 52 to 62 weight % SiO; 0.05 to 0.8 FeO; and greater than 2 up to about 8 weight % alkali metal oxide.