Eng-Pi Chang

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Grand Island, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for forming a porous polyfluoroalkylene sheet useful for se...
- Patent number 4,342,636
- Issue date Aug 3, 1982
- Hooker Chemicals & Plastics Corp.
- Eng-Pi Chang
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Porous polyfluoroalkylene sheet useful for separating anolyte from...
- Patent number 4,292,146
- Issue date Sep 29, 1981
- Hooker Chemicals & Plastics Corp.
- Eng-Pi Chang
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Flame retardant nylon compositions
- Patent number 4,194,072
- Issue date Mar 18, 1980
- Hooker Chemicals & Plastics Corp.
- Eng P. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...