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. 04, 1994
Filed:
Sep. 27, 1993
Applicant:
Inventors:
Wayne E Laughlin, Gulfport, FL (US);
Kenneth P Klapper, Palm Harbor, FL (US);
Assignee:
The Celotex Corporation, Tampa, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
4283044 ; 427209 ; 427339 ; 427340 ; 427373 ; 4283111 ; 4284251 ;
Abstract
A method for the manufacture of paper faced foam which comprises (a) applying a foam-forming mixture to at least one advancing cellulosic sheet or composite thereof with an air- and/or moisture-impermeable material, the cellulosic sheet (i) being impregnated with cured polyisocyanate, (ii) being sufficiently flexible for unwinding from a roll for conveyance along a production line and (iii) having a moisture content which does not exceed about 10 percent and is evenly distributed throughout the cellulosic sheet, and (b) foaming and curing the faced foam-forming mixture.