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Andre S. Hajnal
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Federal Way, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Treated pulp and methods of making and using same
Patent number
11,932,990
Issue date
Mar 19, 2024
International Paper Company
Andre Stephan Hajnal
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Treated pulp and methods of making and using same
Patent number
11,473,242
Issue date
Oct 18, 2022
International Paper Company
Andre Stephan Hajnal
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pulp and fibrillated fiber composite
Patent number
9,212,435
Issue date
Dec 15, 2015
Weyerhaeuser NRCompany
Brent A. Petersen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cellulose fibrillation
Patent number
8,915,457
Issue date
Dec 23, 2014
Weyerhaeuser NR Company
Andrew J. Dodd
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Fibrous web having improved strength and method of making the same
Patent number
5,837,627
Issue date
Nov 17, 1998
Weyerhaeuser Company
Donald D. Halabisky
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
TREATED PULP AND METHODS OF MAKING AND USING SAME
Publication number
20230250581
Publication date
Aug 10, 2023
International Paper Company
Andre Stephan Hajnal
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
TREATED PULP AND METHODS OF MAKING AND USING SAME
Publication number
20200308766
Publication date
Oct 1, 2020
International Paper Company
Andre Stephan Hajnal
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PULP AND FIBRILLATED FIBER COMPOSITE
Publication number
20140004326
Publication date
Jan 2, 2014
WEYERHAEUSER NR COMPANY
Brent A. Petersen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Cellulose Fibrillation
Publication number
20130082128
Publication date
Apr 4, 2013
WEYERHAEUSER NR COMPANY
Andrew J. Dodd
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Application
Pulp for Odor Control
Publication number
20100319865
Publication date
Dec 23, 2010
WEYERHAEUSER NR COMPANY
Brent A. Petersen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Sodium sulfate treated pulp
Publication number
20070107862
Publication date
May 17, 2007
Weyerhaeuser Co.
Hugh West
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Sodium sulfate treated pulp
Publication number
20050178518
Publication date
Aug 18, 2005
Hugh West
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE