US 12,338,384 B2
Abrasive articles and methods of forming same
Samuel S. Marlin, Plan d'Orgon (FR); Ralph Bauer, Niagara Falls (CA); Stefan Vujcic, Buffalo, NY (US); Paul W. Rehrig, Sterling, MA (US); Marie-Camille Auscher, Shrewsbury, MA (US); Darrell K Everts, Schenectady, NY (US); Hua Fan, Southborough, MA (US); Sujatha K. Iyengar, Northborough, MA (US); Christopher Arcona, Northborough, MA (US); Anthony Martone, Cambridge, MA (US); and Brahmanandam V. Tanikella, Northborough, MA (US)
Assigned to SAINT-GOBAIN CERAMICS & PLASTICS, INC., Worcester, MA (US)
Filed by SAINT-GOBAIN CERAMICS & PLASTICS, INC., Worcester, MA (US)
Filed on Dec. 23, 2020, as Appl. No. 17/132,302.
Claims priority of provisional application 62/954,270, filed on Dec. 27, 2019.
Prior Publication US 2021/0198545 A1, Jul. 1, 2021
Int. Cl. C09K 3/14 (2006.01); C08K 3/22 (2006.01); C09C 1/40 (2006.01)
CPC C09K 3/1436 (2013.01) [C08K 3/22 (2013.01); C09C 1/407 (2013.01); C08K 2003/2227 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A coated abrasive article comprising:
a substrate; and
a plurality of abrasive particles overlying the substrate, wherein at least 5% of the plurality of abrasive particles are tooth-shaped abrasive particles,
wherein each of the tooth-shaped abrasive particles comprises a body having a length, a width, and a thickness, wherein length>width≥thickness, and wherein the tooth-shaped abrasive particles comprises a body including a tip region including a tip of the body and a base region including a base of the body, wherein the tip region is defined by a taper including a reduction in the thickness of the body over a tip region length; and wherein a greater content of the tooth-shaped abrasive particles have their tip regions oriented closer to the substrate compared to a content of the tooth-shaped abrasive particles having their base regions oriented closer to the substrate.