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:
Nov. 01, 1988
Filed:
Mar. 06, 1987
Applicant:
Inventors:
Nicholas C Bolgiano, Lancaster, PA (US);
Mary B Grubb, Landisville, PA (US);
Raymond S Hudson, Lancaster, PA (US);
William T Sigman, Quarryville, PA (US);
Assignee:
Armstrong World Industries, Inc., Lancaster, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4284246 ; 4284253 ; 428480 ; 428483 ; 428524 ;
Abstract
Resilient surface coverings having improved scratch and stain resistance are disclosed in which a first top layer of a thermally-cured composition of a polyol component, an aminoplast component and an acid catalyst is adhered to a crosslinked or crosslinkable second layer material. A process to prepare such surface coverings is also disclosed.