国家/地区 印度（4）
IPC部 B（4）
IPC大类 B01（4） C02（4）
IPC小类 B01D（4）
IPC C02F001/44（4）
发明人
公开年 2022（3）
申请年 2021（4）
专利权人

Hollow fiber ultrafiltration membrane for removal of heavy metals including arsenic, comprises polyphenylsulfone as base polymer, polyvinylpyrrolidone as pore-forming agent, and polyvinylpyrrolidone as hydrophilic polymer.

TODETI S R, NAYAK C M, KUMAR M, ISLOOR A M

Liquid vapor generation system placed in container of liquid for interfacial evaporation, comprises insulator member, wick mounted over insulator member, heaters mounted over wick in stack configuration and power source connected to heaters.

BARBHUIYA N H, MISRA U, SINGH S P

Membrane used in device for separating solute from solution and/or purifying water, comprises patterned binder and graphene oxide film, and filter paper supporting graphene oxide film.

YADAV V, SAKORIKAR T, GANAPATHI K L, RAMAPRABHU S, JAISWAL M

Portable drinking water container with water filtration system comprises screw cap of container at top with removable water filter fitting to as cartridge and squeezable cylindrical water storage unit of suitable material.

MANDAL A, GHOSH S, GUPTA A