Naiheng Song

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Zwitterionic chromophores and polymers containing such chromophores
- Patent number 6,894,169
- Issue date May 17, 2005
- Nortel Networks Limited
- Zhi Yuan Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...