Glass article

US12466763B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12466763-B2
Application numberUS-202017767686-A
CountryUS
Kind codeB2
Filing dateNov 5, 2020
Priority dateNov 14, 2019
Publication dateNov 11, 2025
Grant dateNov 11, 2025

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A glass article contains: in mol %, more than 0% to 70% of La 2 O 3 , 0% to 80% of B 2 O 3 , 0% to 40% of SiO 2 , 0% to 80% of B 2 O 3 +Al 2 O 3 +SiO 2 , 0% to 85% of Gd 2 O 3 +Ga 2 O 3 +Y 2 O 3 +Yb 2 O 3 +ZrO 2 +TiO 2 +Nb 2 O 5 +Ta 2 O 5 +WO 3 , 0% to 15% of MgO+CaO+SrO+BaO, 0% to 35% of ZnO, and more than 0% to 5% of CuO.

First claim

Opening claim text (preview).

The invention claimed is: 1 . A glass article comprising: in mol %, more than 0% to 70% of La 2 O 3 , 0% to 80% of B 2 O 3 , 0% to 40% of SiO 2 , 0% to 80% of B 2 O 3 +Al 2 O 3 +SiO 2 , 0.1% to 85% of Gd 2 O 3 +Ga 2 O 3 +Y 2 O 3 +Yb 2 O 3 +ZrO 2 +TiO 2 +Nb 2 O 5 +Ta 2 O 5 +WO 3 , 0% to 15% of MgO+CaO+SrO+BaO, 0% to 35% of ZnO, 0.1% to 5% of CuO, and 0.1% to 45% of Gd 2 O 3 . 2 . The glass article according to claim 1 comprising: in mol %, more than 0% to 80% of B 2 O 3 +Al 2 O 3 +SiO 2 . 3 . The glass article according to claim 1 , further comprising: a coloring component comprising at least one oxide of V, Cr, Mn, Fe, Co, Ni, Mo, Ru, Ce, Pr or Er in an amount of 0% to 20% in mol % in aggregate. 4 . The glass article according to claim 1 , which has a refractive index of 1.7 or more. 5 . The glass article according to claim 1 , which has an Abbe number of 50 or less. 6 . The glass article according to claim 1 , which is subjected to chamfering. 7 . A decoration comprising the glass article according to claim 1 . 8 . The decoration according to claim 7 , wherein the decoration is an artificial jewel.

Assignees

Inventors

Classifications

  • containing rare earths · CPC title

  • Glasses, glazes or enamels with special properties · CPC title

  • Surface treatment of glass, not in the form of fibres or filaments, by mechanical means (sand-blasting, grinding, or polishing glass B24) · CPC title

  • for coloured glass · CPC title

  • containing boron · CPC title

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What does patent US12466763B2 cover?
A glass article contains: in mol %, more than 0% to 70% of La 2 O 3 , 0% to 80% of B 2 O 3 , 0% to 40% of SiO 2 , 0% to 80% of B 2 O 3 +Al 2 O 3 +SiO 2 , 0% to 85% of Gd 2 O 3 +Ga 2 O 3 +Y 2 O 3 +Yb 2 O 3 +ZrO 2 +TiO 2 +Nb 2 O 5 +Ta 2 O 5 +WO 3 , 0% to 15% of MgO+CaO+SrO+BaO, 0% to 35% of ZnO, and more than 0% to 5% of CuO.
Who is the assignee on this patent?
Nippon Electric Glass Co
What technology area does this patent fall under?
Primary CPC classification A44C17/008. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Nov 11 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).