ClassID:

87954

C03C2201/3417 - CPC Classification

Classification description:

Glass compositions; Doped silica-based glasses containing metals containing rare earth metals Lanthanum

Recent Application in this class:
#1
20260008715
2026-01-08

OPTICAL GLASS WITH HIGH REFRACTIVE INDEX

#2
20250250191
2025-08-07

OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, CEMENTED LENS, MICROSCOPE OBJECTIVE LENS, INTERCHANGEABLE CAMERA LENS, AND OPTICAL DEVICE

#3
20250083991
2025-03-13

SILICOBORATE AND BOROSILICATE GLASSES HAVING HIGH REFRACTIVE INDEX AND HIGH TRANSMITTANCE TO BLUE LIGHT

#4
20240174547
2024-05-30

Silicoborate and borosilicate glasses having high refractive index and high transmittance to blue light

#5
20240164994
2024-05-23

ION SUSTAINED-RELEASE COMPOSITE PARTICLES AND METHOD OF PRODUCING ION SUSTAINED-RELEASE COMPOSITE PARTICLES

#6
20240116798
2024-04-11

OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, CEMENTED LENS, INTERCHANGEABLE CAMERA LENS, MICROSCOPE OBJECTIVE LENS, AND OPTICAL DEVICE

#7
20230121192
2023-04-20

OPTICAL GLASS AND OPTICAL ELEMENT

#8
20230048986
2023-02-16

GLASS

#9
20220073410
2022-03-10

Silicoborate and borosilicate glasses having high refractive index and high transmittance to blue light

#10
20220064051
2022-03-03

OPTICAL GLASS, OPTICAL ELEMENT COMPOSED OF OPTICAL GLASS, OPTICAL SYSTEM INTERCHANGEABLE LENS, AND OPTICAL DEVICE

#11
20200223739
2020-07-16

Optical glass, optical element composed of optical glass, optical system interchangeable lens, and optical device

#12
20190284090
2019-09-19

Doped bismuth silicate crystals via devitrification of glass forming liquids

#13
20180016182
2018-01-18

Optical glass

#14
20080039310
2008-02-14

QUARTZ-TYPE GLASS AND PROCESS FOR ITS PRODUCTION