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:
Feb. 23, 2016
Filed:
Dec. 31, 2012
Shivshankar Sivasubramanian, Lowell, MA (US);
Srinivasan Ramanath, Holden, MA (US);
Ramanujam Vedantham, Worcester, MA (US);
Rachana Upadhyay, Shrewsbury, MA (US);
Signo Reis, Marlborough, MA (US);
Shivshankar Sivasubramanian, Lowell, MA (US);
Srinivasan Ramanath, Holden, MA (US);
Ramanujam Vedantham, Worcester, MA (US);
Rachana Upadhyay, Shrewsbury, MA (US);
Signo Reis, Marlborough, MA (US);
SAINT-GOBAIN ABRASIVES, INC., Worcester, MA (US);
SAINT-GOBAIN ABRASIFS, Conflans-Saint-Honorine, FR;
Abstract
An abrasive article including a bonded abrasive body having a bond material made of a vitrified material, abrasive particles comprising a first type of superabrasive material contained in the bond material, a porosity of at least about 50 vol % of the total volume of the bonded abrasive body, and a ΔCTE of not greater than about 5.5 ppm/° C., wherein ΔCTE is defined as a difference between a CTE of the bond material and a CTE of the abrasive particles.