Edward F. Hwang

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Brooklyn, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrically conductive poly(.beta.-diketone) and process therefor
- Patent number 4,588,792
- Issue date May 13, 1986
- W. R. Grace & Co.
- Yoshiyuki Okamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Poly(dipropargylamine) and derivatives thereof per se and p-doped a...
- Patent number 4,567,298
- Issue date Jan 28, 1986
- W. R. Grace & Co.
- Yoshiyuki Okamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrically conductive poly(.beta.-diketone) and process therefor
- Patent number 4,522,746
- Issue date Jun 11, 1985
- W. R. Grace & Co.
- Yoshiyuki Okamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Poly(dipropargylamine) and derivatives thereof per se and p-doped a...
- Patent number 4,511,702
- Issue date Apr 16, 1985
- W. R. Grace & Co.
- Yoshiyuki Okamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Poly(dipropargylamine)and derivatives thereof per se and _p-doped a...
- Patent number 4,497,727
- Issue date Feb 5, 1985
- W. R. Grace & Co.
- Yoshiyuki Okamoto
- H01 - BASIC ELECTRIC ELEMENTS