C03C4/065 - CPC Classification Index

ClassID:

87646 ⎘

C03C4/065 - CPC Classification

Classification description:

Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass for silver-halide free photochromic glass

Recent Application in this class:

20250326682

2025-10-23

PHOTOSENSITIVE GLASS MATERIAL, PHOTOSENSITIVE MICROCRYSTALLINE GLASS AND PHOTOSENSITIVE MICROCRYSTALLINE GLASS PRODUCT

20230322607

2023-10-12

MANUFACTURING TUNGSTEN BRONZE GLASS CERAMIC

20220089472

2022-03-24

Transparent, near infrared-shielding glass ceramic

20200255325

2020-08-13

POLYCHROMATIC GLASS & GLASS-CERAMIC ARTICLES AND METHODS OF MAKING THE SAME

20200002220

2020-01-02

Transparent, near infrared-shielding glass ceramic

20190002335

2019-01-03

Photochromic glass with sharp cutoff

20170174558

2017-06-22

Photochromic glass with sharp cutoff

20090011233

2009-01-08

Optically active glass and optical fiber with reduced photodarkening and method for reducing photodarkening