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. 12, 1994
Filed:
Feb. 04, 1993
Applicant:
Inventors:
James D Jackson, Kidderminster, GB;
Tony M Matthews, Kidderminster, GB;
Darren J Glover, Stourport-on-Severn, GB;
Assignee:
Zortech International Limited, Worcestershire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428228 ; 428240 ; 428241 ; 428281 ; 428285 ; 252518 ; 252519 ; 252520 ; 252521 ; 501 11 ;
Abstract
A microporous thermal insulation material is formed from an intimate mixture of a dry particulate microporous material and reinforcing glass filaments. The glass constituting the glass filaments contains not more than 1 per cent by weight Na.sub.2 O and preferably has the following composition: