Liying ZHANG

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Aliphatic polyester resin powder suitable for selective laser sinte...
- Patent number 10,787,546
- Issue date Sep 29, 2020
- China Petroleum and Chemical Corporation
- Jianye Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyethylene compositions and films formed therefrom
- Patent number 9,988,505
- Issue date Jun 5, 2018
- China Petroleum and Chemical Corporation
- Dali Gao
- B32 - LAYERED PRODUCTS
Information Patent Grant
Propylene random copolymer, method for its preparation, and composi...
- Patent number 9,303,108
- Issue date Apr 5, 2016
- China Petroleum and Chemical Corporation
- Meifang Guo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
ALIPHATIC POLYESTER RESIN POWDER SUITABLE FOR SELECTIVE LASER SINTE...
- Publication number 20180230274
- Publication date Aug 16, 2018
- China Petroleum and Chemical Corporation
- Jianye LIU
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
POLYETHYLENE COMPOSITIONS AND FILMS FORMED THEREFROM
- Publication number 20160115285
- Publication date Apr 28, 2016
- CHINA PETROLEUM & CHEMICAL CORPORATION
- Dali GAO
- B32 - LAYERED PRODUCTS
Information Patent Application
PROPYLENE RANDOM COPOLYMER, METHOD FOR ITS PREPARATION, AND COMPOSI...
- Publication number 20130108814
- Publication date May 2, 2013
- BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL C...
- Meifang GUO
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC