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CPC Subgroup Additional Only
C03B 2215/14

Die top coat materials, e.g. materials for the glass-contacting layers

Full Title

Press-moulding glass > Press-mould materials > Coated press-mould dies > Die top coat materials, e.g. materials for the glass-contacting layers

5 direct subcodes

Child Classifications

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  • C03B 2215/20 Oxide ceramics
  • C03B 2215/22 Non-oxide ceramics
  • C03B 2215/24 Carbon, e.g. diamond, graphite, amorphous carbon
  • C03B 2215/26 Mixtures of materials covered by more than one of the groups C03B2215/16 - C03B2215/24, e.g. C-SiC, Cr-Cr2O3, SIALON

Top Applicants

Top 10 applicants by patent filingsfor class C03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CORNING US 9,559
  2. SAINT-GOBAIN GLASS FR 3,824
  3. NIPPON ELECTRIC GLASS COMPANY JP 2,792
  4. SCHOTT DE 2,029
  5. AGC JP 1,938
  6. ASAHI GLASS COMPANY JP 1,679
  7. CORNING 1,650
  8. NIPPON ELECTRIC GLASS COMPANY 1,501
  9. A G C 1,049
  10. O-I (OWENS-ILLINOIS) US 1,027