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Dietrich Hoffman
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Roedersheim-Gronau, DE
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Patents Grants
last 30 patents
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Patent Grant
Low-viscosity, melamine-formaldehyde resin microcapsule dispersions...
Patent number
6,719,931
Issue date
Apr 13, 2004
BASF Aktiengesellschaft
Dietrich Hoffman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Pressure-sensitive and heat-sensitive recording material
Patent number
4,407,886
Issue date
Oct 4, 1983
BASF Aktiengesellschaft
Dietrich Hoffman
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Microcapsule-containing wax composition
Patent number
4,371,634
Issue date
Feb 1, 1983
BASF Aktiengesellschaft
Dietrich Hoffman
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
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Patent Application
Low-viscosity, melamine-formaldehyde resin microcapsule dispersions...
Publication number
20030004226
Publication date
Jan 2, 2003
Dietrich Hoffman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL