Global Patent Index - EP 1453768 A1

EP 1453768 A1 20040908 - ANTIMICROBIAL ALKALI-SILICATE GLASS CERAMIC AND THE USE THEREOF

Title (en)

ANTIMICROBIAL ALKALI-SILICATE GLASS CERAMIC AND THE USE THEREOF

Title (de)

ANTIMIKROBIELLE ALKALI-SILICAT-GLASKERAMIK UND IHRE VERWENDUNG

Title (fr)

VITROCERAMIQUE ALCALI-SILICATE ANTIMICROBIENNE ET SON UTILISATION

Publication

EP 1453768 A1 20040908 (DE)

Application

EP 02798328 A 20021211

Priority

  • DE 10161074 A 20011212
  • DE 10241495 A 20020907
  • EP 0214044 W 20021211

Abstract (en)

[origin: WO03050051A1] The invention relates to a glass ceramic, wherein the starting glass comprises 30-65 percent by weight SiO2; 5-30 percent by weight Na2O; 5-30 percent by weight CaO and 0-15 percent by weight P2O5, wherein the main crystalline phases comprise alkali-alkaline earth-silicate and/or alkali-silicate and/or alkaline earth-silicate. The invention is characterized in that either a glass ceramic with a single crystalline phase 1 Na2O2CaO3SiO2 is excluded or the crystallite size of the glass ceramic is < 10 mu m or the weight fraction of SiO2 is < 47 %.

IPC 1-7

C03C 10/00; C03C 4/00; C03C 12/00

IPC 8 full level

A61K 8/19 (2006.01); A61K 8/00 (2006.01); A61K 8/20 (2006.01); A61K 33/00 (2006.01); A61P 31/04 (2006.01); A61Q 1/00 (2006.01); A61Q 1/12 (2006.01); A61Q 11/00 (2006.01); A61Q 15/00 (2006.01); A61Q 17/00 (2006.01); C03C 4/00 (2006.01); C03C 10/00 (2006.01); C03C 10/04 (2006.01); C03C 12/00 (2006.01); C08L 101/00 (2006.01); C09D 5/14 (2006.01); C11D 3/02 (2006.01); C11D 3/48 (2006.01); D21H 21/36 (2006.01)

CPC (source: EP US)

A61K 8/25 (2013.01 - EP US); A61P 31/04 (2017.12 - EP); A61Q 11/00 (2013.01 - EP US); C03C 4/0007 (2013.01 - EP US); C03C 4/0021 (2013.01 - EP US); C03C 10/0009 (2013.01 - EP US); C03C 12/00 (2013.01 - EP US); C03C 2204/02 (2013.01 - EP US)

Citation (search report)

See references of WO 03050051A1

Citation (examination)

WO 0015167 A1 20000323 - USBIOMATERIALS CORP [US]

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

DOCDB simple family (publication)

WO 03050051 A1 20030619; AU 2002363868 A1 20030623; CN 1599702 A 20050323; EP 1453768 A1 20040908; US 2005009682 A1 20050113; US 7141520 B2 20061128

DOCDB simple family (application)

EP 0214044 W 20021211; AU 2002363868 A 20021211; CN 02824265 A 20021211; EP 02798328 A 20021211; US 49824404 A 20040624