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Jussi PIIRA
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Helsinki, FI
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last 30 patents
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Patent Grant
Method and system for thin chip digester cooking
Patent number
8,641,865
Issue date
Feb 4, 2014
Andritz Technology and Asset Management GmbH
Johan Engstrom
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
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Patent Application
A METHOD FOR CHEMICAL PULP PRODUCTION IN A MULTI-STAGE PROCESS
Publication number
20240410109
Publication date
Dec 12, 2024
Andritz AB
Ola LARSSON
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND SYSTEM FOR THIN CHIP DIGESTER COOKING
Publication number
20140144600
Publication date
May 29, 2014
ANDRITZ INC.
Johan ENGSTROM
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND ARRANGEMENT FOR TREATING CHEMICAL PULP
Publication number
20140102648
Publication date
Apr 17, 2014
ANDRITZ OY
Janne Vehmaa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND SYSTEM FOR THIN CHIP DIGESTER COOKING
Publication number
20110120663
Publication date
May 26, 2011
ANDRITZ INC.
Johan ENGSTROM
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE