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Kristine S. Salmen
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Glen Ellyn, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Methods to enhance pulp bleaching and delignification
Patent number
7,229,525
Issue date
Jun 12, 2007
Nalco Company
Prasad Y. Duggirala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of using water soluble polymers in a membrane biological rea...
Patent number
6,926,832
Issue date
Aug 9, 2005
Nalco Company
John H. Collins
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method of using high molecular weight water soluble polymers in mem...
Patent number
6,872,312
Issue date
Mar 29, 2005
Nalco Company
Jitendra T. Shah
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method of using water soluble cationic polymers in membrane biologi...
Patent number
6,723,245
Issue date
Apr 20, 2004
Nalco Company
John H. Collins
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Methods to enhance pulp bleaching and delignification using an orga...
Patent number
6,702,921
Issue date
Mar 9, 2004
Ondeo Nalco Company
Prasad Y. Duggirala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Composition and method for simultaneously precipitating metal ions...
Patent number
6,258,277
Issue date
Jul 10, 2001
Nalco Chemical Company
Kristine S. Salmen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Detectable cationic flocculant and method of using same in industri...
Patent number
6,238,486
Issue date
May 29, 2001
Nalco Chemical Company
Andrew J. Dunham
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Detection and removal of copper from wastewater streams from semico...
Patent number
6,140,130
Issue date
Oct 31, 2000
Nalco Chemical Company
Kristine S. Salmen
G01 - MEASURING TESTING
Information
Patent Grant
Colloidal silica/polyelectrolyte blends for pulp and paper applicat...
Patent number
5,840,158
Issue date
Nov 24, 1998
Nalco Chemical Company
Pek Lee Choo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Colloidal silica/polyelectrolyte blends for natural water clarifica...
Patent number
5,667,697
Issue date
Sep 16, 1997
Nalco Chemical Company
Kristine S. Salmen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Colloidal silica/polyelectrolyte blends for natural water clarifica...
Patent number
5,620,629
Issue date
Apr 15, 1997
Nalco Chemical Company
Kristine S. Salmen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Steel mill flume water treatment
Patent number
5,554,298
Issue date
Sep 10, 1996
Nalco Chemical Company
Ronald D. Kochik
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
Methods to enhance pulp bleaching and delignification
Publication number
20050194111
Publication date
Sep 8, 2005
Prasad Y. Duggirala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Methods to enhance pulp bleaching and delignification
Publication number
20040154761
Publication date
Aug 12, 2004
Prasad Y. Duggirala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method of using water soluble polymers in a membrane biological rea...
Publication number
20030159990
Publication date
Aug 28, 2003
John H. Collins
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Methods to enhance pulp bleaching and delignification
Publication number
20030085008
Publication date
May 8, 2003
Prasad Y. Duggirala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE