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:
Sep. 11, 2007
Filed:
Mar. 04, 2005
Chie Yoshizawa, Yokohama, JP;
Satoshi Uematsu, Hitachi, JP;
Hisashi Mashiyama, Hitachinaka, JP;
Takehiko Tani, Hitachi, JP;
Chie Yoshizawa, Yokohama, JP;
Satoshi Uematsu, Hitachi, JP;
Hisashi Mashiyama, Hitachinaka, JP;
Takehiko Tani, Hitachi, JP;
Hitachi Cable, Ltd., Tokyo, JP;
Abstract
Abrasive grains have mainly grains with a roundness of 0.50 or more and 0.75 or less, where the roundness is defined as the ratio of the circumference of a circle having the same area as that of a grain to the perimeter of that grain. An abrasive has the abrasive grains and at least one of an oxidizer, an oxide solution, an abrasive grain dispersion agent and a basic compound. An abrasive solution has the abrasive grains and water or hydrophilic substance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile