国家/地区 中国（3）
IPC部 B（3）
IPC大类 B29（3）
IPC小类 B29D（3）
IPC B32B029/00（2） C08J005/18（2） C08K003/04（2）
C08L027/06（2） E04F015/02（2） E04F015/18（2）
发明人
公开年
申请年 2021（2） 
专利权人

Foaming modified water-proof composite floor comprises modified polymer substrate and surface decorative plate connected with adhesive and polymer substrate obtained by hot pressing of modified polymer particles, plant fibers and adhesive embryos.

SUN G

Pod-type degradable temporary plugging ball useful in temporary plugging treatment of oil and gas wells in fracturing system, comprises degradable outer shell (comprising e.g. polymerized product of glycolide, lactide, polybutylene succinate prepolymer) and inner core.

LI H, ZHANG Y, SHANG L, HUANG B, LIU J, WANG Y, YANG X, JIANG Q

Graphene far-infrared floor heating floor comprises wear-resistant paper layer, wood grain paper layer and functional substrate layer, wear-resistant paper layer is complex of high-temperature heat transmitted through functional substrate.

JIN Y, JIN J