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Thord Hassler
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Rydeback, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Production of paper and paperboard
Patent number
6,273,998
Issue date
Aug 14, 2001
BetzDearborn Inc.
Lawrence Lu Kuo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for controlling pitch on a papermaking machine
Patent number
5,626,720
Issue date
May 6, 1997
W. R. Grace & Co.-Conn.
Thord Gustav G. Hassler
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pitch control
Patent number
5,300,194
Issue date
Apr 5, 1994
W. R. Grace & Co.-Conn.
Ulrich Welkener
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Enhancement of fluorescent whitening agents: water-soluble phosphon...
Patent number
5,266,078
Issue date
Nov 30, 1993
W. R. Grace & Co.-Conn.
Ulrich Welkener
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Method for controlling pitch on a paper-making machine
Patent number
5,223,097
Issue date
Jun 29, 1993
W. R. Grace AB
Thord G. G. Hassler
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Water soluble thermosetting resin, process for its production, pape...
Patent number
4,895,621
Issue date
Jan 23, 1990
W. R. Grace AB
Thord G. Hassler
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Novel amino resins useful in sizing paper and their use
Patent number
4,847,315
Issue date
Jul 11, 1989
W. R. Grace AB
Thord G. G. Hassler
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
Crepe facilitating composition
Publication number
20070000630
Publication date
Jan 4, 2007
Thord Hassler
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE