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. 11, 1994
Filed:
Mar. 29, 1993
Applicant:
Inventors:
Louis R Dragner, Rock Hill, SC (US);
William C Floyd, Chester, SC (US);
Assignee:
Sequa Chemicals, Inc., Chester, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524503 ; 524211 ; 524459 ; 524493 ; 524494 ; 524557 ; 525 58 ; 525 59 ;
Abstract
A surfactantless, formaldehyde-free polyvinyl alcohol graft copolymer binder emulsion for non-woven products is prepared comprising: 12% to 35% of a fully hydrolyzed low or ultra low molecular weight PVOH and 65% to 88% of a vinyl and/or acrylic monomer which is graft copolymerized with the PVOH through emulsion polymerization.