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:
Sep. 14, 1993
Filed:
Sep. 12, 1991
Applicant:
Inventors:
Hans Kummermehr, Ludwigshaffen, DE;
Georg Mueller, Weinheim, DE;
Assignee:
Isover Saint-Gobain, Courbevoie, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C03C / ;
U.S. Cl.
CPC ...
428283 ; 428288 ; 428323 ; 428325 ; 428328 ; 428331 ; 428446 ; 501 36 ;
Abstract
A molded casting from mineral wool, obtained notably through vacuum casting, displaying specific properties resulting from the addition of solid particles and in which mineral fibers are stabilized by a binder is disclosed. The solid particles are incrusted among the mineral fibers in the form of islets and have a particle measurement on the average below or equal to 4 microns.