国家/地区 中国（4）
IPC部 B（4）
IPC大类 B29（4）
IPC小类 C08K（4）
IPC C08K003/04（4）
发明人 PAN J（2） ZHANG L（2）
公开年 2022（4）
申请年 2022（4）
专利权人 GUANGDE TIAN.（2）

High temperature resistant packer sealing rubber cylinder is useful in oil field, comprises e.g. 100H type tetrapropylene fluorine rubber, 100S type tetrapropylene fluoride rubber, N990 carbon black, N774 carbon black, calcium stearate, and triallylisocyanurate.

YANG Z, LI Y, LUO B, FU W, LV Z, CHEN K, LONG X, CAO X, LI H, REN J

Multifunctional cotton-based sound-absorbing felt useful for automobile interior trim, comprises porous non-woven liner set in middle, damping vibration damping block and honeycomb elastic resin net are fixedly connected, and porous non-woven liner includes regenerated cotton staple fiber.

ZHANG L, PAN J

Environmentally-friendly regenerative sound insulation filter cotton useful for automobile interior trim, comprises e.g. damping vibration damping sheet, porous non-woven gasket, honeycomb elastic resin net, and aluminum alloy wire.

ZHANG L, PAN J

Double-tube replaceable anti-static polymer emulsion nozzle, comprises large inner bottle and small inner bottle, which are arranged in outer bottle, where large inner bottle is provided with large pump core assembly, which further provided with large suction pipe.

XU H, LUO D, WU L, HUANG X, HUANG Y, HUANG J