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:
Sep. 09, 1986
Filed:
Jun. 27, 1985
Applicant:
Inventors:
Paul R Mudge, Somerville, NJ (US);
Howard G Katz, Hightstown, NJ (US);
Assignee:
National Starch and Chemical Corporation, Bridgewater, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428288 ; 427391 ; 427392 ; 427394 ; 428290 ; 524502 ;
Abstract
Nonwoven fabrics characterized by a superior balance of strength and softness are formed utilizing an aqueous emulsion prepared by the emulsion polymerization of: 30 to 50% by weight of vinyl ester of an alkanoic acid; 10 to 30% by weight ethylene; 30 to 50% by weight of C.sub.4 -C.sub.8 alkyl acrylate; and 1 to 5% by weight of copolymerizable N-methylol containing monomer; wherein the polymerization is performed using batch or semi-batch techniques.