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:
Oct. 19, 1982
Filed:
Feb. 09, 1981
Applicant:
Inventors:
Ralph M Hutchison, Evergreen, CO (US);
Phillip C Martin, Conifer, CO (US);
Francis Y Willingham, Littleton, CO (US);
Assignee:
Manville Service Corporation, Denver, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106120 ; 106D / ; 252 62 ;
Abstract
An asbestos-free mineral article useful as thermal insulation is described into which a visual identifying material is incorporated. The identifying material may be any of a variety of inorganic particulate materials such as particulate minerals, colored glass fibers or spheres, metal flakes or wires and the like. Preferred are mica flakes, present as 0.5% to 10% by weight of the article.