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DIFF Subgroup
C03C 25/465

Coatings containing composite materials

Introduced: January 2018

Full Title

Surface treatment of fibres or filaments made from glass, minerals or slags > Coating > Coatings containing composite materials

Additional Content IPC

composite material material made from two or more compounds with different physical or chemical properties

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2018.

Child Classifications

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  • C03C 25/47 containing particles, fibres or flakes, e.g. in a continuous phase since 2018 IPC+CPC Available in IPC and CPC
  • C03C 25/475 containing colouring agents since 2018 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C03,2013–2023, worldwide · Source: EPO PATSTAT

  1. CORNING US 8,800
  2. SAINT-GOBAIN GLASS FR 3,535
  3. NIPPON ELECTRIC GLASS COMPANY JP 2,675
  4. NIPPON ELECTRIC GLASS COMPANY 2,616
  5. AGC JP 1,911
  6. SCHOTT DE 1,846
  7. ASAHI GLASS COMPANY JP 1,632
  8. CORNING 1,556
  9. A G C 1,250
  10. SEKISUI CHEMICAL COMPANY JP 1,087

Top Applicants (CPC)

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