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:
Jan. 04, 1994
Filed:
Dec. 29, 1992
Applicant:
Inventors:
Kyung W Suh, Granville, OH (US);
William G Stobby, Johnstown, OH (US);
Burton D Brubaker, Midland, MI (US);
Francis P McCullough, Lake Jackson, TX (US);
R Vernon Snelgrove, Damon, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; D02G / ;
U.S. Cl.
CPC ...
428292 ; 428221 ; 428222 ; 428224 ; 428293 ; 428357 ; 428362 ; 428364 ; 428367 ; 428369 ; 428371 ; 428372 ; 428373 ; 428408 ;
Abstract
A fibrous thermal insulation comprising an intimate blend of A) an effective amount of non-graphitic carbonaceous fibers having an LOI value greater than 40, a percent char value greater than 65, and a thermal conductivity less than 1 BTU hr ft.sup.2 /.degree.F. for providing a synergistic improvement in fire resistance, and B) hollow thermoplastic fibers.