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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 9587353 B1

PDFFull Text
Expired
Date of Patent:
Mar. 07, 2017

Filed:

Dec. 15, 2014

Additives for papermaking

Applicant:

Nanopaper, Llc, Cambridge, MA (US);

Inventors:

Gangadhar Jogikalmath, Cambridge, MA (US);

Andrea Schneider, Hyde Park, MA (US);

David S. Soane, Chestnut Hill, MA (US);

Assignee:

NanoPaper, LLC, Cambridge, MA (US);

Attorneys:

Elmore Patent Law Group, P.C.

Mahreen Chaudhry Hoda

Carolyn S. Elmore, Esq.

Primary Examiner:

Mark Halpern

Int. Cl.
CPC ...
D21H 17/28 (2006.01); D21H 19/12 (2006.01); D21H 17/37 (2006.01); D21H 11/20 (2006.01); D21H 13/24 (2006.01); D21H 13/26 (2006.01); D21H 15/10 (2006.01); D21H 17/21 (2006.01); D21H 17/63 (2006.01); D21H 17/67 (2006.01); D21H 17/69 (2006.01); D21H 17/70 (2006.01); D21H 17/00 (2006.01); D21H 21/16 (2006.01); D21H 13/14 (2006.01);
U.S. Cl.
CPC ...
D21H 19/12 (2013.01); D21H 11/20 (2013.01); D21H 13/14 (2013.01); D21H 13/24 (2013.01); D21H 13/26 (2013.01); D21H 15/10 (2013.01); D21H 17/21 (2013.01); D21H 17/28 (2013.01); D21H 17/375 (2013.01); D21H 17/63 (2013.01); D21H 17/67 (2013.01); D21H 17/675 (2013.01); D21H 17/69 (2013.01); D21H 17/70 (2013.01); D21H 17/72 (2013.01); D21H 17/74 (2013.01); D21H 21/16 (2013.01);
Abstract

The invention is directed to systems for papermaking comprising a first population of fibers dispersed in an aqueous solution and complexed with an activator, and a second population of composite additive particles bearing a tethering material, wherein the addition of the second population to the first population attaches the composite additive particles to the fibers. The invention also encompasses methods for manufacturing a paper product.

Find Patent Forward Citations

Jogikalmath, Gangadhar. (2017). Additives for papermaking (U.S. Patent No. 9587353). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9587353

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

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