国家/地区 中国（5）
IPC部 B（5）
IPC大类 B32（5）
IPC小类 B32B（5） D21H（4） B31B（2）
B65D（2）
IPC B32B027/32（5）
发明人 LI L（2） LIU J（2） XU C（2）
YANG Y（2） YU Q（2）
公开年 2021（2） 2023（2）
申请年 2021（3）  2020（2） 
专利权人 GREATVIEW BE.（2）

Barrier layer useful for composite packaging material for preparing packaging container, has outermost waterproof layer, base layer, a barrier layer, and innermost layer that is in contact with the contents of the package, where the barrier layer includes nanocellulose.

LIU J, YU Q, YANG Y, LI L, XU C

Composite packaging material useful for liquid package, comprises outermost waterproof layer, base layer, barrier layer and innermost layer in contact with contents of package, barrier layer comprises nanocellulose.

LIU J, YU Q, XU C, YANG Y, LI L

Producing paper packaging bag comprises impregnating inner packaging base paper layer, and outer packaging base paper layer, drying, coating impregnated inner packaging base paper layer and outer packaging base paper layer with barrier adhesive material, hot pressing and cooling.

NI H, CHEN F, YANG J

Composite soundproof flame-retardant cotton felt used for automobile interior trim, includes fiber cotton felt layer whose inner cavity is equidistantly provided with through-holes, polyethylene film, graphene layer, and metal layer.

LI R

Packaging material for forming individual liquid food packaging containers, comprises one or more layers of heat sealable material laminated to core, and carbon-based layer(s) provided to form workpiece of associated sealing system.

BETTI BENEVENTI G, BIERLEIN P, GUIDETTI G, WAMSLER M, HURDALEK L, BETTI B G, BENEVENTI G B