Ren Zheng ZHANG

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Low density polyurethane foam systems with high split tear
- Patent number 12,180,326
- Issue date Dec 31, 2024
- BASF SE
- Cai An Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Weft-knitted spacer fabric and a preparation method thereof, use of...
- Patent number 11,939,708
- Issue date Mar 26, 2024
- BASF SE
- Xiao Yu Sun
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS

Patents Applicationslast 30 patents

Information Patent Application
LOW DENSITY POLYURETHANE FOAM SYSTEMS WITH HIGH SPLIT TEAR
- Publication number 20220227917
- Publication date Jul 21, 2022
- BASF SE
- Cai An Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
A WEFT-KNITTED SPACER FABRIC AND A PREPARATION METHOD THEREOF, USE...
- Publication number 20210115600
- Publication date Apr 22, 2021
- BASF SE
- Xiao Yu Sun
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION AND METHOD TO PRODUCE MICROCELLULAR POLYURETHANE FOAM S...
- Publication number 20200231740
- Publication date Jul 23, 2020
- BASF SE
- Li Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...