Glass powder and chemical polymerization initiator

Patent metadata

Field	Value
Publication number	US-2022332857-A1
Application number	US-202017753565-A
Country	US
Kind code	A1
Filing date	Aug 19, 2020
Priority date	Sep 13, 2019
Publication date	Oct 20, 2022
Grant date	—

Abstract

One aspect of the invention includes a glass powder for a chemical polymerization initiator, the glass powder including aluminum, silicon, and at least one of copper or vanadium.

First claim

1 . A glass powder for a chemical polymerization initiator, the glass powder comprising:
aluminum, silicon, and at least one of copper or vanadium.

2 . The glass powder according to claim 1 , wherein a content of silicon, when converted into an amount of silicon oxide (SiO 2 ), is 20 to 50% by mass.

3 . The glass powder according to claim 1 , further comprising fluorine.

4 . A chemical polymerization initiator comprising:
a glass powder, wherein the glass powder includes
aluminum, silicon, and at least one of copper or vanadium.

Assignees

• G C Dental Ind Corp

Inventors

• Sato Keita
• Fujimi Atsushi
• Murakami Shogo
• Fujimoto Ayaka

Classifications

• C03C3/062

  with less than 40% silica by weight · CPC title

• C03C12/00

  Powdered glass (C03C8/02 takes precedence); Bead compositions · CPC title

• C03C2205/06

  for dental use · CPC title

• C03C4/0021

  for dental use · CPC title

• C08F4/58

  together with silicon, germanium, tin, lead, antimony, bismuth or compounds thereof · CPC title