国家/地区 中国（10） 世界知识产权组织（4） 欧洲专利局（EPO）（3） 韩国（3）
IPC部 B（14）
IPC大类 B32（14） B65（4） D21（4）
C08（3） B29（2） B31（2）
C01（2）
IPC小类 B32B（14） B65D（4） D21H（4）
C08J（3） B29D（2） B31B（2）
C01B（2）
IPC B32B027/10（14）
发明人 KIM J H（2） KYUNG L（2） LI L（2）
LIU J（2） PARK K（2） WAHLBERG J（2）
XU C（2） YANG Y（2） YU Q（2）
公开年 2022（8） 2021（3） 2023（3）
申请年 2021（14）
专利权人 DONGWON SYST.（2） GREATVIEW BE.（2） TETRA LAVAL .（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

Eco-friendly laminated film capable of post-sterilization useful in eco-friendly packaging material comprises film layer, and paper layer formed on film layer and containing cotton pulp or wood pulp, coating layer and adhesive layer.

PARK K, KIM J H, KYUNG L

Environmentally friendly laminated film useful in packaging material comprises e.g. polybutylene adipate terephthalate, polyhydroxy aldehyde, polybutylene succinate, thermoplastic starch, polylactic acid, polyethylene and polypropylene.

PARK K, KIM J H, KYUNG L

Producing oxygen barrier material for packaging material involves providing and forwarding substrate material web, providing aqueous composition comprising graphene oxide comprising monolayer flakes of graphene oxide, and coating aqueous composition of graphene oxide onto substrate material web.

BERLIN M, WAHLBERG J, GUIDETTI G

Preparing aqueous composition of reduced graphene oxide used for producing gas-barrier coated material, by providing aqueous dispersion comprising graphene oxide, providing aqueous dispersion of nanocellulose compound, providing aqueous solution of reducing agent, and mixing aqueous dispersions.

WAHLBERG J, OESTLUND M

Degradable high-barrier composite film useful in packaging field of liquid and fresh food comprises layer structure with layer A having e.g. thermoplastic starch, compatibilizer, tackifier and auxiliary materials, layer B having paper or cellulose film and layer C including e.g. reinforcing filler.

TANG L, HUANG R, HE X

Dry composite paper plastic zipper packaging bag comprises bag body and zipper provided on bag body, and bag body made of composite film, composite film sequentially includes e.g. biaxially oriented polypropylene layer, first adhesive layer, kraft paper layer, second adhesive layer.

HUANG Y

Multi-layered packaging film for packaging article e.g., food package comprises outer print layer comprising polymer and/or paper, graphic element, and optional first nucleating agent, inner product-side layer, and lamination layer.

CHAM P M, NARAYANSARATHY S, RODGERS B D, JOHNSON A, SAMANTA S, CHAMPAKMEONG, NARAYANSARAHSISRIDEVI, DWAYNE R B, ADAM J, SATYAVRATHA S

Thermal insulation and sound insulation cotton used for the roof of an automobile compartment, comprises an insulation layer, bottom of insulation layer provided with a thermal insulation layer, and bottom of thermal insulation layer provided with a sound absorbing layer.

SU A, YUAN Y, WANG Y, DU C