The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 14, 1999
Filed:
Feb. 14, 1997
Kohei Toyama, Shirakawa, JP;
Etsuo Kiuchi, Gunma-ken, JP;
Kazuo Hayakawa, Takasaki, JP;
Shingo Kaburagi, Tokyo, JP;
Akio Ashida, Tokyo, JP;
Takara Ito, Sakai, JP;
Kuniaki Noami, Maizuru, JP;
Shin-Etsu Handotai Co., Ltd., Tokyo, JP;
Mimasu Semiconductor Industry Co., Ltd., Gunma-ken, JP;
Ohtomo Chemical Ind., Corp., Tokyo, JP;
Hitachi Zosen Metal Works Co., Ltd., Kyoto-fu, JP;
Abstract
A system for reusing water soluble slurry waste fluid wherein separated available abrasive grains and extracted water soluble coolant are reused. This system is capable of reducing a disposal cost due to a reduction of a load to a waste water disposal plant by effectively reusing water soluble slurry waste fluid, and making a contribution to a reduction of a total slicing cost by reusing abrasive grains and water soluble coolant.