Nicole K Karns

US Patent:

20230128376, Apr 27, 2023

Filed:

Aug 16, 2022

Appl. No.:

17/819959

Inventors:

- Des Plaines IL, US
Chaoyi Ba - Schaumburg IL, US
Nicole Karns - Des Plaines IL, US

International Classification:

C08G 61/12
C01B 3/50
C10L 3/10
B01D 53/22
B01D 71/62

Abstract:

A high selectivity and high COplasticization resistant polymer comprises a plurality of repeating units of formula (I) for gas separation applications. The polymer may be synthesized from a superacid catalyzed poly(hydroalkylation) reaction.Membranes made from the polymer and gas separation processes using the membranes made from the polymer are also described.

US Patent:

20200101416, Apr 2, 2020

Filed:

Apr 10, 2019

Appl. No.:

16/380540

Inventors:

- Des Plaines IL, US
Nicole K. Karns - Des Plaines IL, US
Howie Q. Tran - Skokie IL, US
Carl W. Liskey - Chicago IL, US

International Classification:

B01D 53/22
B01D 69/14
B01D 71/22

Abstract:

A process is provided of making facilitated transport membrane comprising a relatively hydrophilic, very small pore, nanoporous support membrane, a hydrophilic polymer inside the very small nanopores on the skin layer surface of the support membrane, a thin, nonporous, hydrophilic polymer layer coated on the surface of the support membrane, and metal salts incorporated in the hydrophilic polymer layer coated on the surface of the support membrane and the hydrophilic polymer inside the very small nanopores. In addition, the process provides a new method of making facilitated transport membrane spiral wound elements or hollow fiber modules for olefin/paraffin separations, particularly for C3=/C3 and C2=/C2 separations.

US Patent:

20190255490, Aug 22, 2019

Filed:

May 3, 2019

Appl. No.:

16/402997

Inventors:

- Des Plaines IL, US
Nicole K. Karns - Chicago IL, US

International Classification:

B01D 71/64
B01D 71/82
B01D 67/00
B01D 53/22
C07C 7/144
B01D 69/12
B01D 69/06
B01D 71/02
B01D 69/08

Abstract:

A high performance facilitated transport membrane comprising a metal cation exchanged/chelated carboxylic acid functional group containing functional polyimide, a method of making this a membrane, and the use of this membrane for olefin/paraffin separations, particularly for propylene/propane and ethylene/ethane separations. The facilitated transport membrane has either an asymmetric integrally skinned membrane structure or a thin film composite membrane structure, wherein the top selective layer of the membrane comprises a metal cation exchanged/chelated carboxylic acid functional group containing functional polyimide.

US Patent:

20190060841, Feb 28, 2019

Filed:

Jul 19, 2018

Appl. No.:

16/040289

Inventors:

- des Plaines IL, US
Nicole K. Karns - Des Plaines IL, US
Howie Q. Tran - Skokie IL, US
Dung Le - Mount Prospect IL, US

International Classification:

B01D 69/14
B01D 53/22
C07C 7/144
B01D 67/00
B01D 69/02
B01D 69/12
B01D 71/70
B01D 71/68
B01D 71/08
B01D 71/02

Abstract:

This invention provides a new high selectivity stable facilitated transport membrane comprising a polyethersulfone (PES)/polyethylene oxide-polysilsesquioxane (PEO-Si) blend support membrane, a hydrophilic polymer inside the pores on the skin layer surface of the PES/PEO-Si blend support membrane; a hydrophilic polymer coated on the skin layer surface of the PES/PEO-Si blend support membrane, and metal salts incorporated in the hydrophilic polymer coating layer and the skin layer surface pores of the PES/PEO-Si blend support membrane, and methods of making such membranes. This invention also provides a method of using the high selectivity stable facilitated transport membrane comprising PES/PEO-Si blend support membrane for olefin/paraffin separations such as propylene/propane and ethylene/ethane separations.

US Patent:

20190060844, Feb 28, 2019

Filed:

Jul 20, 2018

Appl. No.:

16/041609

Inventors:

- Des Plaines IL, US
Nicole K. Karns - Des Plaines IL, US
Howie Q. Tran - Skokie IL, US
Dung Le - Mount Prospect IL, US

International Classification:

B01D 71/68
B01D 71/70
B01D 71/56
B01D 71/08
B01D 71/28
B01D 71/38
B01D 61/02

Abstract:

This invention provides a new high flux reverse osmosis (RO) membrane comprising a nanoporous polyethersulfone (PES)/polyethylene oxide-polysilsesquioxane (PEO-Si) blend support membrane (PES/PEO-Si) comprising a polyethylene oxide-polysilsesquioxane (PEO-Si) polymer and a polyethersulfone (PES) polymer, a hydrophilic polymer inside the pores on the skin layer surface of the polyethersulfone/polyethylene oxide-polysilsesquioxane blend support membrane, and a thin, nanometer layer of cross-linked polyamide on the skin layer surface of said polyethersulfone/polyethylene oxide-polysilsesquioxane blend support membrane, and a method of making such a membrane. This invention also provides a method of using the new high flux reverse osmosis membrane comprising nanoporous PES/PEO-Si blend support membrane for water purification.

US Patent:

20180333675, Nov 22, 2018

Filed:

May 18, 2017

Appl. No.:

15/599258

Inventors:

- Des Plaines IL, US
Carl W. Liskey - Chicago IL, US
Nicole K. Karns - Chicago IL, US

International Classification:

B01D 53/22
B01D 71/64
B01D 71/68
B01D 71/02
B01D 69/12
B01D 67/00
C07C 7/144

Abstract:

A co-cast thin film composite flat sheet membrane is provided that comprises an asymmetric porous non-selective support layer with a thickness of 10-50 micrometers and an asymmetric integrally skinned polyimide-containing selective layer with a thickness of 5-40 micrometers on top of said support layer, wherein said asymmetric integrally skinned polyimide-containing selective layer comprises a porous non-selective polyimide-containing support layer with a thickness of 5-40 micrometers and a relatively porous, thin, dense, polyimide-containing top skin layer with a thickness of 0.02-0.2 micrometers.

US Patent:

20180133661, May 17, 2018

Filed:

Aug 24, 2017

Appl. No.:

15/685996

Inventors:

- Des Plaines IL, US
Nicole K. Karns - Des Plaines IL, US
Deng-Yang Jan - Elk Grove Village IL, US

International Classification:

B01D 71/70
B01D 71/02
B01D 71/18
B01D 71/64
B01D 71/68

Abstract:

A novel high flux, cross-linked, fumed silica reinforced polyorganosiloxane thin film composite (TFC) membrane comprising a selective layer of a high flux, cross-linked, fumed silica reinforced polyorganosiloxane polymer supported by a porous support membrane formed from a glassy polymer has been developed. The novel high flux, cross-linked, fumed silica reinforced polyorganosiloxane thin film composite (TFC) membrane may be used to separate at least one component from another.

US Patent:

20180133663, May 17, 2018

Filed:

Aug 24, 2017

Appl. No.:

15/685931

Inventors:

- Des Plaines IL, US
Nicole K. Karns - Des Plaines IL, US
Deng-Yang Jan - Elk Grove Village IL, US

International Classification:

B01D 71/76
B01D 67/00
B01D 71/68
B01D 71/64
B01D 71/18

Abstract:

A novel chemically cross-linked rubbery polymeric thin film composite (TFC) membrane comprising a selective layer of a chemically cross-linked rubbery polymer supported by a porous support membrane formed from a glassy polymer has been developed. The chemically cross-linked rubbery polymeric thin film composite (TFC) membrane comprising a selective layer of a chemically cross-linked rubbery polymer supported by a porous support membrane formed from a glassy polymer may be used to separate at least one component from another.