BR9809585A - "vidros com alto ìndice de refração, lente corretiva multifocal contendo os mesmos" - Google Patents
"vidros com alto ìndice de refração, lente corretiva multifocal contendo os mesmos"Info
- Publication number
- BR9809585A BR9809585A BR9809585-4A BR9809585A BR9809585A BR 9809585 A BR9809585 A BR 9809585A BR 9809585 A BR9809585 A BR 9809585A BR 9809585 A BR9809585 A BR 9809585A
- Authority
- BR
- Brazil
- Prior art keywords
- corrective lens
- high refractive
- glasses
- refractive index
- multifocal corrective
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
- C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
- C03C3/074—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron containing zinc
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
- C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S501/00—Compositions: ceramic
- Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
- Y10S501/903—Optical glass, e.g. silent on refractive index and/or ABBE number having refractive index less than 1.8 and ABBE number less than 70
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Eyeglasses (AREA)
Abstract
Patente de Invenção para <B>"VIDROS DE ALTO ìNDICE DE REFRAçãO, LENTE CORRETIVA MULTIFOCAL CONTENDO OS MESMOS"<D>. A presente invenção se refere a vidros de alto índice de refração tendo a seguinte composição de óxidos, expressa em percentagem por peso: SiO~ 2~ 27 - 36, B~ 2~O~ 3~ 0 - 9, Li~ 2~O 1 - 5, Na~ 2~ O 1 - 7, K~ 2~ O 0 - 7, CaO 0 - 7, BaO 4 - 13, ZnO 0 - 8, La~ 2~O~ 3~ 4 - 15, PbO 4 - 27, TiO~ 2~ 7 - 18, ZrO~ 2~ 0 - 9, Nb~ 2~O~ 5~ 0 - 8, com: Li~ 2~O+Na~ 2~O+K~ 2~O 6 - 15, SiO~ 2~+TiO~ 2~+ZrO~ 2~ 42 - 55, PbO+TiO~ 2~+ZrO~ 2~+Nb~ 2~O~ 5~ 29 - 40; seu uso para a produção de segmentos para lente corretiva multifocal; e lente corretiva multifocal incorporando pelo menos um tal segmento em sua estrutura.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9705357A FR2762837B1 (fr) | 1997-04-30 | 1997-04-30 | Verres a indice de refraction eleve, lentilles correctrices multifocales les incorporant |
| US5153897P | 1997-07-02 | 1997-07-02 | |
| PCT/US1998/008352 WO1998049110A1 (en) | 1997-04-30 | 1998-04-27 | High refractive index glasses, multifocal corrective lenses containing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9809585A true BR9809585A (pt) | 2000-10-17 |
Family
ID=26233494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9809585-4A BR9809585A (pt) | 1997-04-30 | 1998-04-27 | "vidros com alto ìndice de refração, lente corretiva multifocal contendo os mesmos" |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6196684B1 (pt) |
| EP (1) | EP0979216B1 (pt) |
| JP (1) | JP2001523206A (pt) |
| CN (1) | CN1252041A (pt) |
| BR (1) | BR9809585A (pt) |
| DE (1) | DE69815525T2 (pt) |
| WO (1) | WO1998049110A1 (pt) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7045475B2 (en) * | 2004-04-28 | 2006-05-16 | Pq Corporation | High refractive index glass beads for high retroreflectivity surfaces |
| JP5727719B2 (ja) * | 2009-10-30 | 2015-06-03 | 株式会社オハラ | 光学ガラス及び光ファイバ用コア材 |
| JP2014016253A (ja) * | 2012-07-09 | 2014-01-30 | Canon Inc | 屈折率分布計測方法、光学素子の製造方法、および、屈折率分布計測装置 |
| USD1030273S1 (en) * | 2022-06-24 | 2024-06-11 | Nike, Inc. | Shoe |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4149896A (en) | 1972-05-15 | 1979-04-17 | Jenaer Glaswerk Schott & Gen | Phototropic glass for multifocal spectacle-glasses |
| US3915723A (en) | 1973-02-20 | 1975-10-28 | American Optical Corp | Photochromic multifocal lenses and method of fabrication thereof |
| JPS5640092B2 (pt) | 1973-10-31 | 1981-09-18 | ||
| JPS5284211A (en) | 1975-12-19 | 1977-07-13 | Obara Optical Glass | Optical glass |
| US4211569A (en) * | 1979-03-09 | 1980-07-08 | Corning Glass Works | High index ophthalmic glasses |
| DD142703A1 (de) * | 1979-04-09 | 1980-07-09 | Julia Aures | Alkalifreies,bleihaltiges,optisches glas hoher brechzahl und relativ niedriger dichte |
| DE3121824C2 (de) | 1981-06-02 | 1984-06-14 | Schott Glaswerke, 6500 Mainz | Säurefestes, hydrolytisch beständiges optisches und ophthalmisches Glas geringer Dichte |
| FR2508433A1 (fr) | 1981-06-24 | 1982-12-31 | Corning Glass Works | Verres ophtalmiques a indice de refraction eleve |
| US4507393A (en) | 1983-08-11 | 1985-03-26 | Schott Glass Technologies, Inc. | Highly prefractive, low dispersion optical glass suitable for multifocal corrective lenses |
| JPS6096542A (ja) | 1983-10-27 | 1985-05-30 | Hoya Corp | 多焦点眼鏡レンズ用ガラス |
| JPS60221338A (ja) * | 1984-04-12 | 1985-11-06 | Ohara Inc | 光学ガラス |
| DE4336122C1 (de) | 1993-10-22 | 1995-04-27 | Deutsche Spezialglas Ag | Hochbrechendes ophtalmisches Glas und Verwendung des Glases |
-
1998
- 1998-04-27 DE DE69815525T patent/DE69815525T2/de not_active Expired - Fee Related
- 1998-04-27 WO PCT/US1998/008352 patent/WO1998049110A1/en active IP Right Grant
- 1998-04-27 US US09/423,111 patent/US6196684B1/en not_active Expired - Fee Related
- 1998-04-27 JP JP54720198A patent/JP2001523206A/ja not_active Ceased
- 1998-04-27 BR BR9809585-4A patent/BR9809585A/pt not_active IP Right Cessation
- 1998-04-27 CN CN98803967.2A patent/CN1252041A/zh active Pending
- 1998-04-27 EP EP98918736A patent/EP0979216B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US6196684B1 (en) | 2001-03-06 |
| DE69815525D1 (de) | 2003-07-17 |
| JP2001523206A (ja) | 2001-11-20 |
| EP0979216A4 (en) | 2000-07-12 |
| CN1252041A (zh) | 2000-05-03 |
| EP0979216A1 (en) | 2000-02-16 |
| DE69815525T2 (de) | 2004-08-05 |
| WO1998049110A1 (en) | 1998-11-05 |
| EP0979216B1 (en) | 2003-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 7A E 8A ANUIDADES. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1832 DE 14/02/2006. |