De Song

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Changchun City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Organic semiconductor crystalline film, method for preparing the sa...
- Patent number 10,263,206
- Issue date Apr 16, 2019
- Changchun Institute of Applied Chemistry-Chinese Academy of Sciences
- Donghang Yan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Use of axial substituted phthalocyanine compound for preparing orga...
- Patent number 7,871,855
- Issue date Jan 18, 2011
- Changchun Institute of Applied Chemistry Chinese Academy of Sciences
- Donghang Yan
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Use of axial substituted phthalocyanine compoud for preparing organ...
- Publication number 20080177060
- Publication date Jul 24, 2008
- Changchun Institute of Applied Chemistry-Chinese Academy of Sciences
- Donghang Yan
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Organic semiconductor crystalline film, method for preparing the sa...
- Publication number 20070262303
- Publication date Nov 15, 2007
- CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES
- Donghang Yan
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...