(19)
(11) EP 4 100 191 A1

(12)

(43) Date of publication:
14.12.2022 Bulletin 2022/50

(21) Application number: 21751338.1

(22) Date of filing: 03.02.2021
(51) International Patent Classification (IPC): 
B23B 7/02(2006.01)
C03C 17/22(2006.01)
C03C 17/40(2006.01)
C23C 14/06(2006.01)
C23C 14/35(2006.01)
 C03C 17/06(2006.01)
C03C 17/34(2006.01)
C23C 14/00(2006.01)
C23C 14/34(2006.01)
(52) Cooperative Patent Classification (CPC):
C03C 17/36; C03C 17/3618; C03C 17/3626; C03C 17/3649; C03C 17/366; C03C 17/3435; C03C 17/3644
(86) International application number:
PCT/IN2021/050110
(87) International publication number:
WO 2021/156889 (12.08.2021 Gazette 2021/32)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 04.02.2020 IN 202041004908

(71) Applicant: Saint-Gobain Glass France
92400 Courbevoie (FR)

(72) Inventors:
  • DHANDHARIA, Priyesh
    Chennai - 600041 Tamil Nadu (IN)
  • COHIN, Yann
    75019 Paris (FR)
  • MISRA, Soumyadeep
    Chennai 600041, Tamil Nadu (IN)

(74) Representative: Saint-Gobain Recherche 
Département Propriété Industrielle 39 Quai Lucien Lefranc
93300 Aubervilliers
93300 Aubervilliers (FR)

   


(54) COATED ARTICLE COMPRISING PROTECTIVE OVERCOAT LAYERS MADE FROM TITANIUM ZIRCONIUM HAFNIUM NITRIDE AND CARBON