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Helmut Hartl
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Berlin, DE
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last 30 patents
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Patent Grant
4-methylene-1,3-dioxolanes as cross-linking agents
Patent number
6,844,375
Issue date
Jan 18, 2005
Dainippon Ink and Chemicals, Inc.
Helmut Hartl
C07 - ORGANIC CHEMISTRY
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Patent Grant
4-methylene-1,3-dioxolanes having functional groups
Patent number
6,388,104
Issue date
May 14, 2002
Dainippon Ink and Chemicals, Inc.
Helmut Hartl
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
4-Methylene-1,3-dioxolanes as cross-linking agents
Publication number
20020045674
Publication date
Apr 18, 2002
Dainippon Ink and Chemicals, Inc.
Helmut Hartl
C07 - ORGANIC CHEMISTRY