Hopfen-Extraktion HVG Bart, Raiser & Co.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5087468 Process for aromatization of treated teaExpiredNov 15, 89Feb 11, 92[A23F]
4946695 Process for the extraction of nonpolar constituents from plant materialExpiredMar 31, 89Aug 07, 90[C12C]
4938977 Process for the production of decaffeinated teaExpiredMay 11, 89Jul 03, 90[A23F]
4842878 Process for the extraction of nonpolar constituents of hopsExpiredSep 24, 87Jun 27, 89[C12C]
4640841 Process for the extraction of hop substancesExpiredDec 18, 84Feb 03, 87[A23L]

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