Hag Gf Aktiengesellschaft

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5082676 Coffee cassetteExpiredJan 25, 91Jan 21, 92[A47J, B65D, B65B]
4996066 Beverage flavoring cassetteExpiredMay 15, 89Feb 26, 91[A47J, B65D, B65B]
4673743 Process for separating caffeine from caffeine-loaded active carbonExpiredMar 24, 86Jun 16, 87[C07D]
4603492 Insert container for freeze-drying plantsExpiredMar 25, 85Aug 05, 86[F26B]
4540784 Recovery of caffeine adsorbed to activated carbonExpiredApr 18, 83Sep 10, 85[C07D]
4506072 Regeneration of caffeine-loaded activated carbon with hot waterExpiredApr 18, 83Mar 19, 85[C07D]

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