公开(公告)号：US11814752B2

公开(公告)日：2023-11-14

申请号：US17519238

申请日：2021-11-04

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Daehwan Cho ,  Alexander Naydich

IPC: D01F6/18 ,  D01D5/00 ,  D04H1/728 ,  D01F1/10 ,  B01D67/00 ,  B01D69/14 ,  B01D71/42 ,  D04H3/009 ,  B01D39/08 ,  D01F6/14 ,  D01F9/08 ,  B01D71/02 ,  B01D71/38 ,  B82Y30/00

CPC classification number: D01F6/18 ,  B01D39/08 ,  B01D67/0079 ,  B01D69/148 ,  B01D71/42 ,  D01D5/003 ,  D01D5/0007 ,  D01D5/0023 ,  D01F1/10 ,  D01F6/14 ,  D01F9/08 ,  D04H1/728 ,  D04H3/009 ,  B01D71/024 ,  B01D71/38 ,  B01D2323/39 ,  B82Y30/00 ,  D01D5/0069 ,  D10B2321/06 ,  D10B2321/10 ,  D10B2505/04 ,  Y10T428/298 ,  Y10T428/2933

Abstract: Described herein are nanofibers and methods for making nanofibers that include any one or more of (a) a non-homogeneous charge density; (b) a plurality of regions of high charge density; and/or (c) charged nanoparticles or chargeable nanoparticles. In one aspect, the present invention fulfills a need for filtration media that are capable of both high performance (e.g., removal of particle sizes between 0.1 and 0.5 μm) with a low pressure drop, however the invention is not limited in this regard.

公开(公告)号：US20150044464A1

公开(公告)日：2015-02-12

申请号：US14385806

申请日：2013-03-15

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Daehwan Cho ,  Alexander Naydich

IPC: D01F6/18 ,  D01F9/08 ,  D01D5/00 ,  B01D69/14 ,  B01D71/42 ,  D01F6/14 ,  B01D39/08

CPC classification number: D01F6/18 ,  B01D39/08 ,  B01D67/0079 ,  B01D69/148 ,  B01D71/024 ,  B01D71/38 ,  B01D71/42 ,  B01D2323/39 ,  D01D5/0007 ,  D01D5/0023 ,  D01D5/003 ,  D01D5/0069 ,  D01F1/10 ,  D01F6/14 ,  D01F9/08 ,  D04H1/728 ,  D04H3/009 ,  D10B2321/06 ,  D10B2321/10 ,  D10B2505/04 ,  Y10T428/2933 ,  Y10T428/298

Abstract: Described herein are nanofibers and methods for making nanofibers that include any one or more of (a) a non-homogeneous charge density; (b) a plurality of regions of high charge density; and/or (c) charged nanoparticles or chargeable nanoparticles. In one aspect, the present invention fulfills a need for filtration media that are capable of both high performance (e.g., removal of particle sizes between 0.1 and 0.5 ?m) with a low pressure drop, however the invention is not limited in this regard.

Abstract translation: 本文描述的是纳米纤维和用于制备纳米纤维的方法，所述纳米纤维包括（a）非均匀电荷密度中的任何一种或多种; （b）高电荷密度的多个区域; 和/或（c）带电的纳米颗粒或可带电的纳米颗粒。 在一个方面，本发明满足对能够以低压降具有高性能（例如，除去0.1至0.5μm之间的粒径）的过滤介质的需求，然而本发明不限于此。

公开(公告)号：US20220186403A1

公开(公告)日：2022-06-16

申请号：US17519238

申请日：2021-11-04

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Daehwan Cho ,  Alexander Naydich

IPC: D01F6/18 ,  D01D5/00 ,  D04H1/728 ,  D01F1/10 ,  B01D67/00 ,  B01D69/14 ,  B01D71/42 ,  D04H3/009 ,  B01D39/08 ,  D01F6/14 ,  D01F9/08

Abstract: Described herein are nanofibers and methods for making nanofibers that include any one or more of (a) a non-homogeneous charge density; (b) a plurality of regions of high charge density; and/or (c) charged nanoparticles or chargeable nanoparticles. In one aspect, the present invention fulfills a need for filtration media that are capable of both high performance (e.g., removal of particle sizes between 0.1 and 0.5 μm) with a low pressure drop, however the invention is not limited in this regard.

公开(公告)号：US11352717B2

公开(公告)日：2022-06-07

申请号：US15876439

申请日：2018-01-22

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Daehwan Cho ,  Alexander Naydich

IPC: D01F6/18 ,  D01D5/00 ,  D04H1/728 ,  D01F1/10 ,  B01D67/00 ,  B01D69/14 ,  B01D71/42 ,  D04H3/009 ,  B01D39/08 ,  D01F6/14 ,  D01F9/08 ,  B01D71/02 ,  B01D71/38 ,  B82Y30/00

Abstract: Described herein are nanofibers and methods for making nanofibers that include any one or more of (a) a non-homogeneous charge density; (b) a plurality of regions of high charge density; and/or (c) charged nanoparticles or chargeable nanoparticles. In one aspect, the present invention fulfills a need for filtration media that are capable of both high performance (e.g., removal of particle sizes between 0.1 and 0.5 μm) with a low pressure drop, however the invention is not limited in this regard.

公开(公告)号：US20180209072A1

公开(公告)日：2018-07-26

申请号：US15876439

申请日：2018-01-22

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Daehwan Cho ,  Alexander Naydich

IPC: D01F6/18 ,  D01F1/10 ,  B01D39/08 ,  B01D67/00 ,  B01D69/14 ,  D01F6/14 ,  D01D5/00 ,  B01D71/42 ,  D04H1/728 ,  D04H3/009 ,  D01F9/08 ,  B01D71/02 ,  B01D71/38

CPC classification number: D01F6/18 ,  B01D39/08 ,  B01D67/0079 ,  B01D69/148 ,  B01D71/024 ,  B01D71/38 ,  B01D71/42 ,  B01D2323/39 ,  D01D5/0007 ,  D01D5/0023 ,  D01D5/003 ,  D01D5/0069 ,  D01F1/10 ,  D01F6/14 ,  D01F9/08 ,  D04H1/728 ,  D04H3/009 ,  D10B2321/06 ,  D10B2321/10 ,  D10B2505/04 ,  Y10T428/2933 ,  Y10T428/298

Abstract: Described herein are nanofibers and methods for making nanofibers that include any one or more of (a) a non-homogeneous charge density; (b) a plurality of regions of high charge density; and/or (c) charged nanoparticles or chargeable nanoparticles. In one aspect, the present invention fulfills a need for filtration media that are capable of both high performance (e.g., removal of particle sizes between 0.1 and 0.5 μm) with a low pressure drop, however the invention is not limited in this regard.

公开(公告)号：US09879363B2

公开(公告)日：2018-01-30

申请号：US14385806

申请日：2013-03-15

Applicant: CORNELL UNIVERSITY

Inventor： Yong Lak Joo ,  Daehwan Cho ,  Alexander Naydich

IPC: D01F1/02 ,  D01F1/09 ,  D01F6/18 ,  D01D5/00 ,  D04H1/728 ,  D01F1/10 ,  B01D67/00 ,  B01D69/14 ,  B01D71/42 ,  D04H3/009 ,  B01D39/08 ,  D01F6/14 ,  D01F9/08 ,  B01D71/02 ,  B01D71/38

CPC classification number: D01F6/18 ,  B01D39/08 ,  B01D67/0079 ,  B01D69/148 ,  B01D71/024 ,  B01D71/38 ,  B01D71/42 ,  B01D2323/39 ,  D01D5/0007 ,  D01D5/0023 ,  D01D5/003 ,  D01D5/0069 ,  D01F1/10 ,  D01F6/14 ,  D01F9/08 ,  D04H1/728 ,  D04H3/009 ,  D10B2321/06 ,  D10B2321/10 ,  D10B2505/04 ,  Y10T428/2933 ,  Y10T428/298

Abstract: Described herein are nanofibers and methods for making nanofibers that include any one or more of (a) a non-homogeneous charge density; (b) a plurality of regions of high charge density; and/or (c) charged nanoparticles or chargeable nanoparticles. In one aspect, the present invention fulfills a need for filtration media that are capable of both high performance (e.g., removal of particle sizes between 0.1 and 0.5 ?m) with a low pressure drop, however the invention is not limited in this regard.