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Jorn Breckwoldt
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Rothenburg, DE
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last 30 patents
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Patent Grant
Amino and ammonium isocyanates, a process for their preparation, th...
Patent number
5,310,849
Issue date
May 10, 1994
Wolff Walsrode AG
Hans-Josef Buysch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Water-soluble polymerizable 3-allyloxy-2-hydroxypropylether of cell...
Patent number
5,294,702
Issue date
Mar 15, 1994
Wolff Walsrode AG
Jorn Breckwoldt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dihydroxypropyl sulphoethyl celluloses, their preparation and their...
Patent number
5,182,380
Issue date
Jan 26, 1993
Wolff Walsrode Aktiengesellschaft
Jorn Breckwoldt
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Alkenyl methyl hydroxypropyl cellulose ethers and a process for the...
Patent number
5,166,332
Issue date
Nov 24, 1992
Wolff Walsrode Aktiengesellschaft
Jorn Breckwoldt
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methyl hydroxypropyl cellulose ethers and a process for their produ...
Patent number
5,166,333
Issue date
Nov 24, 1992
Wolff Walsrode Aktiengesellschaft
Jorn Breckwoldt
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for the preparation of hydrocolloid mixtures having improve...
Patent number
5,062,889
Issue date
Nov 5, 1991
Wolff Walsrode AG
Frank Hohl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...