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.

Date of Patent:
Jul. 05, 2016

Filed:

Jan. 04, 2012
Applicants:

David W. White, Clintonville, WI (US);

Jeffery J. Boettcher, Appleton, WI (US);

Eric J. Lepp, Combined Locks, WI (US);

Inventors:

David W. White, Clintonville, WI (US);

Jeffery J. Boettcher, Appleton, WI (US);

Eric J. Lepp, Combined Locks, WI (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 29/04 (2006.01); C09J 129/04 (2006.01); D21F 5/02 (2006.01); D21H 21/00 (2006.01); D21H 25/00 (2006.01); D21H 21/14 (2006.01);
U.S. Cl.
CPC ...
D21H 21/146 (2013.01); D21H 25/005 (2013.01);
Abstract

Improvements to absorbent sheet manufacture include spraying a softener onto the web and providing a creping adhesive to a surface of a heated drying cylinder of a Yankee dryer such that a creping adhesive coating is formed, the creping adhesive comprising a poly(aminoamide)epihalohydrin (PAE) resin and a polyvinyl alcohol copolymer, wherein the polyvinyl alcohol copolymer includes functional repeat units selected from carboxylate repeat units, sulfonate repeat units as well as combinations of the comonomers. A preferred PAE resin is fully crosslinked PAE resin.


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