Inventor

KUMASAKA TETSUO

JP2 patents

Patents

2 patents

US5230734AJul 27, 1993

Calcium-magnesium carbonate composite and method for the preparation thereof

OKUTAMA KOGYO CO LTD78 citations92

US5879442AMar 9, 1999

Aqueous slurry of precipitated calcium carbonate and ground calcium carbonate in combination

OKUTAMA KOGYO CO LTD95 citations90