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. 28, 2020
Filed:
Dec. 04, 2017
Ecolab Usa Inc., St. Paul, MN (US);
Cornel Hagiopol, Lilburn, GA (US);
David F. Townsend, Grayson, GA (US);
Clay E. Ringold, Decatur, GA (US);
James W. Johnston, Suwanee, GA (US);
Robert McDonald, Acworth, GA (US);
Metric M. Simpson, Atlanta, GA (US);
Frederick S. Potter, Oxford, GA (US);
ECOLAB USA INC., St. Paul, MN (US);
Abstract
Resin systems and methods for making and using same are provided. The method for making a paper product can include contacting a plurality of pulp fibers with a resin system. The resin system can include a first polyamidoamine-epihalohydrin resin and a second resin that can include a second polyamidoamine-epihalohydrin resin, a urea-formaldehyde resin, or a mixture thereof to produce a paper product. The first resin and the second resin can be sequentially or simultaneously contacted with the plurality of pulp fibers. The period for sequential addition between the first resin and the second resin is about 1 second to about 1 hour.