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:
Aug. 03, 1993
Filed:
Mar. 01, 1991
Applicant:
Inventors:
Richard E Kajander, Toledo, OH (US);
Eric J Adamczyk, Littleton, CO (US);
Assignee:
Manville Corporation, Denver, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427444 ; 162160 ; 422 13 ; 528488 ;
Abstract
Described is a method of neutralizing acid containing compositions present in an insulation board comprising the steps of providing an insulation board containing a leachable acid composition and neutralizing the leachable acid by applying to the board an effective neutralizing amount of an inorganic alkali metal or alkaline earth metal salt. Preferably, the board is a phenolic foam having opposing sides of a fiberglass facer with the neutralizing agent embedded in the fiberglass facer.