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. 22, 1991
Filed:
Nov. 14, 1988
Applicant:
Inventors:
William W Carlin, Corpus Christi, TX (US);
Sai H Hui, Hudson, OH (US);
John D Mansell, Akron, OH (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; B32B / ;
U.S. Cl.
CPC ...
528254 ; 428524 ; 428526 ; 428528 ; 428530 ; 1062872 ; 252-875 ; 252542 ;
Abstract
Disclosed are compositions useful as surface coatings for nonwoven substrates which compositions are reaction products of a melamine formaldehyde compound, long chain saturated alcohols and long chain saturated or unsaturated polyethoxylated alcohols. The invention compositions when used to surface size paper impart oil, water and polar solvent resistance thereto. The compositions may be used alone or as substantial replacements for anionic or non-ionic fluorocarbon based surface sizes that are typically used to impart oil resistance to paper.