Qing Feng TONG

Follow

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Acrylic acid polymers neutralized with sodium and calcium ions and...
- Patent number 10,968,295
- Issue date Apr 6, 2021
- BASF SE
- Ferdinand Leifeld
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING A VISCOSE SOLUTION AND A VISCOSE SOLUTION PROD...
- Publication number 20220119554
- Publication date Apr 21, 2022
- BASF SE
- Qing Feng Tong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ACRYLIC ACID POLYMERS NEUTRALIZED WITH SODIUM AND CALCIUM IONS AND...
- Publication number 20190276568
- Publication date Sep 12, 2019
- Ferdinand Leifeld
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...