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:
Apr. 09, 2002
Filed:
Aug. 04, 2000
Applicant:
Inventors:
Kiminori Oshio, Kanagawa, JP;
Hiroyuki Obiya, Kanagawa, JP;
Assignee:
Tokyo Ohka Kogyo Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24C 9/00 ;
U.S. Cl.
CPC ...
B24C 9/00 ;
Abstract
Plastic abrasives for sandblasting, in particular, those to be used in sandblast processing for forming barrier ribs and priming ribs; a sandblast processing method with the use of the same; and a method for treating sandblasting waste matters. A plastic abrasive for sandblasting characterized by being soluble in organic solvents or water/organic solvent mixtures and comprising plastic particles having an average particle size of 5 to 100 &mgr;m; a method for sandblast processing a plasma display panel substrate by using the plastic abrasive; and a method for treating sandblasting waste matters.