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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.:

US 9873982 B1

PDFFull Text
Date of Patent:
Jan. 23, 2018

Filed:

Oct. 12, 2015

Method of increasing drainage performance of a pulp slurry during manufacture of paper products, and products therefrom

Applicants:

Solenis Technologies, L.p., Schaffhausen, CH;

Upm-kymmene Corporation, Helsinki, FI;

Inventors:

John C. Harrington, Newark, DE (US);

Kate Marritt Lusvardi, Chadds Ford, PA (US);

Fushan Zhang, Hockessin, DE (US);

Assignee:

Solenis Technologies, L.P., , CH;

Attorneys:

Joanne Rossi

Michael Herman

Primary Examiner:

Dennis Cordray

Int. Cl.
CPC ...
D21H 17/25 (2006.01); D21H 17/43 (2006.01); D21H 21/10 (2006.01); D21H 17/44 (2006.01); D21H 17/42 (2006.01); D21H 23/04 (2006.01); D21H 17/00 (2006.01); D21H 17/45 (2006.01); D21H 17/37 (2006.01); D21H 11/18 (2006.01); D21H 17/38 (2006.01);
U.S. Cl.
CPC ...
D21H 17/25 (2013.01); D21H 3/00 (2013.01); D21H 11/18 (2013.01); D21H 17/37 (2013.01); D21H 17/375 (2013.01); D21H 17/38 (2013.01); D21H 17/42 (2013.01); D21H 17/43 (2013.01); D21H 17/44 (2013.01); D21H 17/45 (2013.01); D21H 17/72 (2013.01); D21H 21/10 (2013.01); D21H 23/04 (2013.01);
Abstract

A method of increasing the drainage performance of a pulp slurry during the manufacture of paper products by adding (a) at least one microfibrillated cellulose and (b) at least one associative polymer or at least one branched or crosslinked copolymer to the pulp slurry. This addition occurs before the dewatering step where the pulp slurry is formed into a fibrous mat.

Find Patent Forward Citations

Harrington, John. (2018). Method of increasing drainage performance of a pulp slurry during manufacture of paper products, and products therefrom (U.S. Patent No. 9873982). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9873982

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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