Hong Z. Kim

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Bergenfield, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
N,N Disubstituted p-phenylenediamine phosphates to form a color dev...
- Patent number 4,298,681
- Issue date Nov 3, 1981
- Philip A. Hunt Chemical Corp.
- David K. Bulloch
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY