国家/地区 印度（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D061/14（2） B01D067/00（2）
发明人
公开年 2023（4）
申请年 2021（4）
专利权人

Process for 5-hydroxymethyl ether formation involves using ionic liquid catalyst of fructose in corresponding alcohol and adding to N,N-dimethylacetamide methanesulfonate, refluxing reaction mixture, cooling and isolating desired ether product under reduced pressure and reusing recovered alcohol.

DUTTA S

Fabricating reduced graphene oxide for electronic device e.g. supercapacitors, batteries, electrodes and photovoltaic devices, involves coating portion of substrate with fire retardant liquid, drying coated substrate and irradiating portion of substrate with beam of electromagnetic radiation.

KUMAR P S, GOEL S

Adding graphene derivatives in active layer and substrate layer in filtration membrane, involves adding predetermined quantity of graphene derivatives to predetermined quantity of organic solvent, and mixing graphene derivatives with organic solvent in predetermined ratio to form graphene dispersion.

KAUSHIK A

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