Inventor

SUMITOMO SHIGERU

JP2 patents

Patents

2 patents

US6399201B1Jun 4, 2002

Blowing agent powder and process for producing the same

OTSUKA CHEMICAL CO LTD9 citations67

US6355698B1Mar 12, 2002

Substantially anhydrous foaming agent and process for producing the same

OTSUKA CHEMICAL CO LTD3 citations57