Title:
WET-ONCE-OPENED FREEZE-DRIED MASK BAG FOR MAINTAINING BIOLOGICAL ACTIVITY
Document Type and Number:
WIPO Patent Application WO/2019/006744
Kind Code:
A1
Abstract:
A wet-once-opened freeze-dried mask bag for maintaining biological activity, comprising a freeze-dried mask bag body and a water sac bag body, wherein the water sac bag body is located within the freeze-dried mask bag body; the freeze-dried mask bag body is laminated on all sides by means of a hot-pressed edge seal line; and the water sac bag body is sealed on all sides, and at least one side is edge-sealed by means of a hot-melt line.
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Inventors:
LIU GUOQING (CN)
ZHANG BIN (CN)
ZHANG BIN (CN)
Application Number:
PCT/CN2017/092218
Publication Date:
January 10, 2019
Filing Date:
July 07, 2017
Export Citation:
Assignee:
JIANSHENG BIOTECHNOLOGY CO LTD (CN)
International Classes:
B65D30/22; B65D33/36; B65D81/32
Foreign References:
| CN205633490U | 2016-10-12 | |||
| CN204675040U | 2015-09-30 |
Attorney, Agent or Firm:
CHONGQING ZHONGLIU INTELLECTUAL (CN)
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