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Alena Michalek
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Auburn, WA, US
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Patents Grants
last 30 patents
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Patent Grant
Superabsorbent particles containing carboxyalkyl cellulose and temp...
Patent number
7,785,710
Issue date
Aug 31, 2010
Weyerhaeuser NR Company
S. Ananda Weerawarna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Methods for the preparation of superabsorbent particles containing...
Patent number
7,645,806
Issue date
Jan 12, 2010
Weyerhaeuser NR Company
S. Ananda Weerawarna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Mixed polymer superabsorbent fibers
Patent number
7,455,902
Issue date
Nov 25, 2008
Weyerhaeuser Company
S. Ananda Weerawarna
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
Mixed polymer superabsorbent fibers
Publication number
20080081190
Publication date
Apr 3, 2008
Weyerhaeuser Co.
S. Ananda Weerawarna
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Superabsorbent particles containing carboxyalkyl cellulose
Publication number
20080081191
Publication date
Apr 3, 2008
Weyerhaeuser Co.
S. Ananda Weerawarna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Methods for the preparation of mixed polymer superabsorbent fibers
Publication number
20080079188
Publication date
Apr 3, 2008
Weyerhaeuser Co.
S. Ananda Weerawarna
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Methods for the preparation of superabsorbent particles containing...
Publication number
20080081843
Publication date
Apr 3, 2008
Weyerhaeuser Co.
S. Ananda Weerawarna
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SULFOALKYLATED CELLULOSE POLYMER NETWORK
Publication number
20060142484
Publication date
Jun 29, 2006
Wolfgang G. Glasser
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Sulfoalkylated cellulose
Publication number
20060142560
Publication date
Jun 29, 2006
Wolfgang G. Glasser
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for making sulfoalkylated cellulose polymer network
Publication number
20060142477
Publication date
Jun 29, 2006
Wolfgang G. Glasser
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...