US 12,319,997 B2
Decorative object
Christian Manasterski, Colombier (CH); and Marion Gstalter, Dombresson (CH)
Assigned to The Swatch Group Research and Development Ltd, Marin (CH)
Filed by The Swatch Group Research and Development Ltd, Marin (CH)
Filed on Apr. 26, 2023, as Appl. No. 18/307,529.
Application 18/307,529 is a division of application No. 17/081,375, filed on Oct. 27, 2020, granted, now 11,685,987.
Claims priority of application No. 19214570 (EP), filed on Dec. 9, 2019.
Prior Publication US 2023/0265552 A1, Aug. 24, 2023
Int. Cl. C23C 14/06 (2006.01); C23C 14/02 (2006.01); C23C 14/34 (2006.01); C23C 14/58 (2006.01)
CPC C23C 14/067 (2013.01) [C23C 14/021 (2013.01); C23C 14/34 (2013.01); C23C 14/5813 (2013.01)] 5 Claims
 
1. A decorative object with a multicolored surface, the decorative object comprising:
a substrate; and
a layer on the substrate,
wherein the layer comprises a first portion and a second portion of different colors with respect to one another,
wherein a surface of each of the first portion and the second portion comprises lanthanum boride, and
wherein the surface of the first portion comprises a LaBy where y is between 9 and 12, and the surface of the second portion comprises a LaBx where x is between 9 and 12 and is different from y.