COMPOSITE SORBENT, DEVICES, AND METHODS

• Main Author: TYMOSHENKO, Dmytro
• Format: Patent
• Language: English; French; German
• Published: 03.06.2020
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; THEIR RELEVANT APPARATUS; TRANSPORTING

A composite sorbent composition comprising a polymeric adsorbent; and an extractant having the formula, or a hydrate thereof, wherein Z is -C(O)- or -C(R')(R'')- wherein R' and R'' are each hydroxyl; and R1, R2, R3, and R4 are each independently hydrogen, halogen, hydroxyl, cyano, nitro, amino, -C(O)H, -C(O)OH, -C(O)NH2, alkyl, alkenyl, alkynyl, alkoxy, alkanoyl, alkylamino, alkyl carboxamide, alkyl ester, heteroalkyl, haloalkyl, haloalkoxy, cycloalkyl, aryl, arylalkyl, aryloxy, heterocycloalkyl, heteroaryl, heteroaryloxy, or heteroarylalkyl, each of which R1, R2, R3, and R4 is unsubstituted or substituted with one or more substituents independently chosen from halogen, hydroxyl, cyano, nitro, sulphonato, amino, -C(O)H, -C(O)OH, -C(O)NH2, alkyl, alkoxy, alkylamino, heteroalkyl, haloalkyl, haloalkoxy, cycloalkyl, aryl, arylalkyl, aryloxy, heterocycloalkyl, heteroaryl, heteroaryloxy, or heteroarylalkyl; or R1 and R2, R2 and R3, or R3 and R4 are together a group -O-CH2-O-, a group -CH2-O-CH2-, or a group -CH2-CH2-CH2-CH2-.