公开(公告)号：US11939246B1

公开(公告)日：2024-03-26

申请号：US18195692

申请日：2023-05-10

Applicant: KING SAUD UNIVERSITY

Inventor： Nazrul Haq Rizwanul Haq ,  Fars Kaed Alanazi ,  Ibrahim Abdullah Alsarra ,  Muzaffar Iqbal Abu Zafar ,  Mohammad Raish ,  Faiyaz Shakeel Shakeel Ahmad

IPC: C02F1/56 ,  C02F1/66 ,  C02F1/68 ,  C08G18/42 ,  C02F1/28 ,  C02F101/22 ,  C02F101/30 ,  C02F103/34 ,  C08J11/16

CPC classification number: C02F1/56 ,  C02F1/66 ,  C02F1/683 ,  C08G18/4213 ,  C02F1/285 ,  C02F2101/22 ,  C02F2101/308 ,  C02F2103/343 ,  C08J11/16 ,  C08J2367/02

Abstract: A method for removing at least one pollutant from an aqueous environment comprises adding an acid to the aqueous environment to provide an acidic aqueous environment, adding a chelator solution directly to the acidic aqueous environment to achieve a precipitate of the at least one pollutant, and isolating the precipitate from the aqueous environment. The at least one pollutant may include any one or more of a heavy metal cation, an organic dye, and an active pharmaceutical ingredient.

公开(公告)号：US09808443B1

公开(公告)日：2017-11-07

申请号：US15362733

申请日：2016-11-28

Applicant: KING SAUD UNIVERSITY

Inventor： Mashooq Ahmad Bhat ,  Mohamed A. Al-Omar ,  Mohammad Raish ,  Mushtaq Ahmad Ansari ,  Hatem A. Abuelizz

IPC: A61K31/404 ,  C07D209/18

CPC classification number: A61K31/404 ,  C07D209/18

Abstract: Cyclooxygenase inhibitors include compounds of the formula: where R represents phenyl, nitrophenyl, 2-nitrophenyl, 3-nitrophenyl, 4-nitrophenyl, 4-chlorophenyl, 2,4-dichlorophenyl, 3,4-dimethoxyphenyl, 2-methoxyphenyl, 4-hydroxyphenyl, dimethylaminophenyl, 3-methoxyphenyl, 4-ethoxyphenyl, 2,4,5-trimethoxyphenyl, 3,4,5-trimethoxyphenyl, 2,4,6-trimethoxyphenyl, and 2,4-dimethoxyphenyl, 3-hydroxyphenyl, 4-dimethylaminophenyl, or 2,3,4-trimethoxyphenyl.