Chengli Zu

Person

Midland, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of cleaning resins
- Patent number 10,967,367
- Issue date Apr 6, 2021
- DDP SPECIALTY ELECTRONIC MATERIALS US, LLC
- Chunxia Costeux
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite polyamide membrane having azo content and high acid content
- Patent number 9,981,227
- Issue date May 29, 2018
- Dow Global Technologies LLC
- Mou Paul
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite polyamide membrane having high acid content and low azo c...
- Patent number 9,616,392
- Issue date Apr 11, 2017
- Dow Global Technologies LLC
- Ian A. Tomlinson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite polyamide membrane with increased carboxylic acid functio...
- Patent number 9,610,542
- Issue date Apr 4, 2017
- Dow Global Technologies LLC
- Abhishek Roy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite polyamide membrane having preferred azo content
- Patent number 9,555,378
- Issue date Jan 31, 2017
- Dow Global Technologies LLC
- Abhishek Roy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
RESIN WITH PROMOTER AND ANTIOXIDANT
- Publication number 20190366314
- Publication date Dec 5, 2019
- DOW GLOBAL TECHNOLOGIES LLC
- Chunxia COSTEUX
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD OF CLEANING RESINS
- Publication number 20190366322
- Publication date Dec 5, 2019
- DOW GLOBAL TECHNOLOGIES LLC
- Chunxia Costeux
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPOSITE POLYAMIDE MEMBRANE HAVING HIGH ACID CONTENT AND LOW AZO C...
- Publication number 20160317980
- Publication date Nov 3, 2016
- DOW GLOBAL TECHNOLOGIES LLC
- Ian A. Tomlinson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPOSITE POLYAMIDE MEMBRANE HAVING AZO CONTENT AND HIGH ACID CONTENT
- Publication number 20160310909
- Publication date Oct 27, 2016
- DOW GLOBAL TECHNOLOGIES LLC
- Mou Paul
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPOSITE POLYAMIDE MEMBRANE HAVING PREFERRED AZO CONTENT
- Publication number 20160303520
- Publication date Oct 20, 2016
- DOW GLOBAL TECHNOLOGIES LLC
- Abhishek Roy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPOSITE POLYAMIDE MEMBRANE WITH INCREASED CARBOXYLIC ACID FUNCTIO...
- Publication number 20150129485
- Publication date May 14, 2015
- DOW GLOBAL TECHNOLOGIES LLC
- Abhishek Roy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Person

Patents Grantslast 30 patents

Method of cleaning resins

Composite polyamide membrane having azo content and high acid content

Composite polyamide membrane having high acid content and low azo c...

Composite polyamide membrane with increased carboxylic acid functio...

Composite polyamide membrane having preferred azo content

Patents Applicationslast 30 patents

RESIN WITH PROMOTER AND ANTIOXIDANT

METHOD OF CLEANING RESINS

COMPOSITE POLYAMIDE MEMBRANE HAVING HIGH ACID CONTENT AND LOW AZO C...

COMPOSITE POLYAMIDE MEMBRANE HAVING AZO CONTENT AND HIGH ACID CONTENT

COMPOSITE POLYAMIDE MEMBRANE HAVING PREFERRED AZO CONTENT

COMPOSITE POLYAMIDE MEMBRANE WITH INCREASED CARBOXYLIC ACID FUNCTIO...