Patent assignee · LI · COMPANY

Ivoclar AG

86Patents
0Active
86Granted
41Portfolio score

Filing activity: Jan 19, 1989 → Sep 27, 2002

Most-cited patents

PatentTitleAreaCited byStatus
US5471129A Rechargeable light curing apparatus Emerging Cross-Sectional Technologies 1,044 Expired
US5698019A Leucite-containing phosphosilicate glass-ceramic Chemistry; Metallurgy 106 Expired
US5968856A Sinterable lithium disilicate glass ceramic Chemistry; Metallurgy 102 Expired
US6420288B2 Process for the preparation of shaped translucent lithium disilicate glass ceramic products Chemistry; Metallurgy 99 Expired
US6342458B1 Lithium disilicate glass ceramics dental product Chemistry; Metallurgy 89 Expired
US6121175A Alkali silicate glass Chemistry; Metallurgy 86 Expired
US5698482A ZrO.sub.2 - containing glass-ceramic Chemistry; Metallurgy 79 Expired
US5618763A Alkali-zinc-silicate glass-ceramics and glasses Chemistry; Metallurgy 78 Expired
US6514893B1 Sinterable lithium disilicate glass ceramic Chemistry; Metallurgy 74 Expired
US5432130A Opalescent glass Chemistry; Metallurgy 72 Expired
US6280863A Translucent apatite glass ceramic Chemistry; Metallurgy 68 Expired
US6200137A Chemically stable translucent apatite glass ceramic Chemistry; Metallurgy 68 Expired
US6095812A Device for curing with light Emerging Cross-Sectional Technologies 65 Expired
US6281271A Radically polymerizable dental material Human Necessities 55 Expired
US5925180A ZrO.sub.2 -containing glass-ceramic Chemistry; Metallurgy 54 Expired
US6322358A Curing device for light-induced curing of dental materials Human Necessities 50 Expired
US6353039B1 Polymerizable composite material Chemistry; Metallurgy 46 Expired
US6306784A Alkali silicate glass Chemistry; Metallurgy 45 Expired
US6123545A Mains-operated device for curing by light a polymerizable dental material Human Necessities 39 Expired
US6482004B1 Light curing device and method for curing light-polymerizable dental material Emerging Cross-Sectional Technologies 38 Expired
US5936006A Filled and polymerizable dental material Human Necessities 36 Expired
US6068474A Light curing device Human Necessities 36 Expired
US5833464A Method for manufacturing a ceramic dental replacement Human Necessities 34 Expired
US5886064A Fine-grained polymerizable compositions flowable under pressure or shear stress Emerging Cross-Sectional Technologies 34 Expired
US6031015A Dental materials based on liquid crystalline monomers Emerging Cross-Sectional Technologies 32 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.