Inventor

WARAGAI YUMIKO

JP2 patents

Patents

2 patents

US5380360AJan 10, 1995

Ultra-fine granular barium sulfate-coated flaky pigment and method of preparing the same

MERCK PATENT GMBH15 citations70

US5169442ADec 8, 1992

Bluish green pigment and method of preparing the same

MERCK PATENT GMBH12 citations70