BR8805703A - Vidro para aplicacoes oftalmicas - Google Patents

Vidro para aplicacoes oftalmicas

Info

Publication number
BR8805703A
BR8805703A BR8805703A BR8805703A BR8805703A BR 8805703 A BR8805703 A BR 8805703A BR 8805703 A BR8805703 A BR 8805703A BR 8805703 A BR8805703 A BR 8805703A BR 8805703 A BR8805703 A BR 8805703A
Authority
BR
Brazil
Prior art keywords
glass
ophthalmic applications
ophthalmic
applications
Prior art date
Application number
BR8805703A
Other languages
English (en)
Inventor
Jean Emile Boudot
Jean-Pierre Mazeau
Original Assignee
Corning Glass Works
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR8715278A external-priority patent/FR2622569B1/fr
Application filed by Corning Glass Works filed Critical Corning Glass Works
Publication of BR8805703A publication Critical patent/BR8805703A/pt

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
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium

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)
BR8805703A 1987-11-04 1988-11-03 Vidro para aplicacoes oftalmicas BR8805703A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8715278A FR2622569B1 (fr) 1987-11-04 1987-11-04 Verre a indice de refraction moyen pour application ophtalmiques
US07/210,427 US4822758A (en) 1987-11-04 1988-06-23 Medium refractive index glass suitable for ophthalmic applications

Publications (1)

Publication Number Publication Date
BR8805703A true BR8805703A (pt) 1989-07-18

Family

ID=26226313

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8805703A BR8805703A (pt) 1987-11-04 1988-11-03 Vidro para aplicacoes oftalmicas

Country Status (7)

Country Link
EP (1) EP0315353B1 (pt)
JP (1) JP2683778B2 (pt)
AR (1) AR242016A1 (pt)
BR (1) BR8805703A (pt)
CA (1) CA1320505C (pt)
DE (1) DE3881827T2 (pt)
ES (1) ES2041808T3 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109867442B (zh) * 2019-04-24 2021-11-26 成都光明光电股份有限公司 光学玻璃
CN112028475B (zh) * 2020-09-11 2022-04-15 成都光明光电股份有限公司 光学玻璃和光学元件
CN112028474B (zh) * 2020-09-11 2022-04-15 成都光明光电股份有限公司 光学玻璃

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE551389A (pt) * 1956-09-10
JPS59152240A (ja) * 1983-02-14 1984-08-30 Hoya Corp 光学ガラス
FR2550187B1 (fr) * 1983-08-02 1986-06-06 Corning Glass Works Verres de faible densite et de haut indice de refraction pour applications ophtalmiques et optiques
JPS5918131A (ja) * 1984-01-27 1984-01-30 Nippon Kogaku Kk <Nikon> 眼鏡レンズ用軽量ガラス

Also Published As

Publication number Publication date
ES2041808T3 (es) 1993-12-01
CA1320505C (en) 1993-07-20
DE3881827D1 (de) 1993-07-22
AR242016A1 (es) 1993-02-26
JP2683778B2 (ja) 1997-12-03
JPH01157429A (ja) 1989-06-20
DE3881827T2 (de) 1993-12-23
EP0315353A1 (en) 1989-05-10
EP0315353B1 (en) 1993-06-16

Similar Documents

Publication Publication Date Title
BR8406643A (pt) Vidro para aplicacao oftalmicas
DK161588D0 (da) Flerlags glasenhed
DK378789D0 (da) Brille
BR8807770A (pt) Oculos compactos para visao noturna
FR2623921B1 (fr) Lentille ophtalmique progressive
BR8605356A (pt) Vidro para aplicacoes oticas e/ou oftalmicas
IT1219681B (it) Occhiali
BR9002139A (pt) Vidro fotocromico
KR900701530A (ko) 망유리
DE3877498D1 (de) Halogenidglaeser.
IT1223738B (it) Occhiali
FI884091A0 (fi) Lasiset mikrohelmet
BR8805703A (pt) Vidro para aplicacoes oftalmicas
DE69028295D1 (de) Brillenbügel
DE69025189D1 (de) Optischer isolator
KR880012936U (ko) 액정안경
ES1005553Y (es) Retrovisor para gafas.
KR900001214U (ko) 안경
KR890009283U (ko) 안경고정이 가능한 머리띠
IT8952828V0 (it) Occhiali
KR880006736U (ko) 액정안경
KR890015663A (ko) 안경 코받침대 연결구재
KR890005369U (ko) 콘텍트 보조 안경
ES288049Y (es) Visera para gafas
KR900010508U (ko) 안경

Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
FF Decision: granting
FG9A Patent or certificate of addition granted
B21A Extinguishment of a patent or of a certificate of addition of invention: extinguishment - article 78, item i of industrial property law

Free format text: PATENTE EXTINTA EM 24/11/2008