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. 21, 2015
Filed:
Oct. 12, 2012
Applicant:
Rockwool International As, Hedehusene, DK;
Inventors:
Mette Solvang, Roskilde, DK;
Svend Grove-Rasmussen, Herslev, DK;
Mathilde Rosendahl Foldschack, Lynge, DK;
Assignee:
Rockwool International A/S, Hedehusene, DK;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 13/00 (2006.01); C03C 13/06 (2006.01); C03C 3/087 (2006.01); C03B 5/02 (2006.01); C03B 37/04 (2006.01);
U.S. Cl.
CPC ...
C03C 13/00 (2013.01); C03C 3/087 (2013.01); C03C 13/06 (2013.01); C03B 5/025 (2013.01); C03B 37/04 (2013.01);
Abstract
The invention relates to a melt composition for the production of man-made vitreous fibers and man-made vitreous fibers comprising the following oxides, by weight of composition: wherein the proportion of Fe(2+) is greater than 80% based on total Fe and is preferably at least 90%, more preferably at least 95% and most preferably at least 97% based on total Fe.