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:
Apr. 20, 2004
Filed:
Aug. 05, 2002
Applicant:
Inventor:
Harold Laser, Hamilton, CA;
Assignee:
JohnsonDiversey, Inc., Sturtevant, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 2/102 ;
U.S. Cl.
CPC ...
D21H 2/102 ;
Abstract
A method of reducing the surface tension on papermaking rolls comprises applying to the papermaking roll an effective amount of a blend of catonic water soluble polymer, nonionic surfactant and anionic surfactant. The composition has an overall positive charge. Preferably the cationic polymer is a quatemary ammonium compound.