Laura Baruch Sherman

US Patent:

7459059, Dec 2, 2008

Filed:

Sep 21, 2005

Appl. No.:

11/231662

Inventors:

Bruce A. Keiser - Naperville IL, US
Laura M. Sherman - Naperville IL, US

Assignee:

Nalco Company - Naperville IL

International Classification:

D21H 11/00

US Classification:

1621816, 162183, 1621641, 1621683, 162158

Abstract:

The invention discloses a paper or paperboard produced from a slurry comprising cellulose fibers and an effective amount of SMS. In addition, a method for increasing retention and dewatering during the papermaking process is also disclosed. The method involves the addition of an effective amount of SMS to said papermaking process.

US Patent:

7494565, Feb 24, 2009

Filed:

Jun 1, 2006

Appl. No.:

11/445114

Inventors:

Laura M. Sherman - Naperville IL, US
Jane B. Wong Shing - Aurora IL, US
James G. Smith - Nanaimo, CA

Assignee:

Nalco Company - Naperville IL

International Classification:

D21F 11/00

US Classification:

162158, 162175, 1621816, 162183

Abstract:

The invention discloses a paper or paperboard produced from a slurry comprising cellulose fibers and an effective amount of SMS. In addition, a method for increasing retention and dewatering during the papermaking process is also disclosed. The method involves the addition of an effective amount of SMS to said papermaking process. The invention also discloses a method for increasing retention and drainage in a papermaking process comprising the steps of: adding both an effective amount of starch and an effective amount of SMS to a slurry of said papermaking process, wherein said starch is selected from the group consisting of: tapioca starch; potato starch; corn starch; waxy maize starch; rice starch; and wheat starch. Moreover, the invention comprises a method for increasing retention and drainage in a papermaking process comprising the steps of: adding both an effective amount of modified starch and an effective amount of SMS to a slurry of said papermaking process.

US Patent:

20090260767, Oct 22, 2009

Filed:

Mar 17, 2009

Appl. No.:

12/405807

Inventors:

Alessandra Gerli - Leiden, NL
Laura M. Sherman - Naperville IL, US
Michael J. Murcia - DeKalb IL, US

Assignee:

EVERY PENNY COUNTS, INC. - Sarasota FL

International Classification:

G01J 3/46
D21C 9/08

US Classification:

162 49

Abstract:

A method of monitoring and controlling one or more types of hydrophobic contaminants in a papermaking process is disclosed. The methodology utilizes the measurement of hydrophobic dyes, which are capable of fluorescing and interacting with the hydrophobic contaminants. In addition, a method of determining the relative size of the hydrophobic contaminants is disclosed as well.

US Patent:

20100236732, Sep 23, 2010

Filed:

Mar 17, 2009

Appl. No.:

12/405797

Inventors:

Alessandra Gerli - Leiden, NL
Laura M. Sherman - Naperville IL, US
Michael J. Murcia - DeKalb IL, US

International Classification:

D21H 21/30

US Classification:

162 49

Abstract:

A method of monitoring and controlling one or more types of hydrophobic contaminants in a papermaking process is disclosed. The methodology utilizes the measurement of dyes, which are capable of fluorescing and interacting with the hydrophobic contaminants.

US Patent:

59893923, Nov 23, 1999

Filed:

Sep 10, 1997

Appl. No.:

8/926659

Inventors:

Jiansheng Tang - Naperville IL
Jeffrey R. Cramm - Batavia IL
Michael R. St. John - Chicago IL
Laura M. Sherman - Naperville IL

Assignee:

Nalco Chemical Company - Naperville IL

International Classification:

D21F 166
D21C 502

US Classification:

162191

Abstract:

A method is disclosed for controlling anionic trash and pitch deposition and treating coated broke which comprises the step of adding a polyammonium quaternary to a pulp and papermaking system. The polyammonium quaternary, which may be either branched or crosslinked, comprises at least one cationic monomer, preferably diallyldimethylammonium chloride, and at least one branching or crosslinking monomer, preferably N,N,N-triallylamine or N,N,N-triallylamine hydrochloride.