Ren-Kuen Chang

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Hsinchu City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Fire-resistant polyurethane foam
- Patent number 8,865,782
- Issue date Oct 21, 2014
- Industrial Technology Research Institute
- Po-Ju Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fire-resistant polyurethane foam and fabrication method thereof
- Patent number 8,604,093
- Issue date Dec 10, 2013
- Industrial Technology Research Institute
- Po-Ju Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of gas separation membrane and spiral wound gas separat...
- Patent number 5,236,643
- Issue date Aug 17, 1993
- Industrial Technology Research Institute
- Tsai-Wie Tseng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FIRE-RESISTANT POLYURETHANE FOAM
- Publication number 20140058006
- Publication date Feb 27, 2014
- INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
- Po-Ju Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FIRE-RESISTANT POLYURETHANE FOAM AND FABRICATION METHOD THEREOF
- Publication number 20110124760
- Publication date May 26, 2011
- INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
- Po-Ju Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...