The patent EP1989334 was granted to Messer Austria on Jan 31, 2018. The application was originally filed on Feb 22, 2007 under application number EP07726483A. The patent is currently recorded with a legal status of "No Opposition Filed Within Time Limit".

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.
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