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Harpreet Singh
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Evansville, IN, US
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Patents Grants
last 30 patents
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Patent Grant
Method of purifying dianhydrides, the dianhydrides formed thereby,...
Patent number
8,013,173
Issue date
Sep 6, 2011
SABIC Innovative Plastics IP B.V.
Beatriz Penalver Bernabe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Methods for preparing oxydiphthalic anhydrides, oxydiphthalic anhyd...
Patent number
7,674,920
Issue date
Mar 9, 2010
SABIC Innovative Plastics IP B.V.
Beatriz Penalver Bernabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Methods for Preparing Oxydiphthalic Anhydrides, Oxydiphthalic Anhyd...
Publication number
20090247725
Publication date
Oct 1, 2009
Beatriz Penalver Bernabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method of Purifying Dianhydrides, the Dianhydrides Formed Thereby,...
Publication number
20090247727
Publication date
Oct 1, 2009
Beatriz Penalver Bernabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...