FR2346296A1 - Procede pour la fabrication de lentilles ophtalmiques photochromiques multifocales - Google Patents

Procede pour la fabrication de lentilles ophtalmiques photochromiques multifocales

Info

Publication number: FR2346296A1
Authority: FR; France
Prior art keywords: glass; photochromic; fused; multifocal; lens
Prior art date: 1976-03-31
Legal status (The legal status 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 status listed.): Granted

Application number

FR7609315A

Other languages

English (en)

Other versions

FR2346296B1 (fr

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Corning Glass Works

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.)

1976-03-31

Filing date

1976-03-31

Publication date

1977-10-28

1976-03-31 Application filed by Corning Glass Works filed Critical Corning Glass Works

1976-03-31 Priority to FR7609315A priority Critical patent/FR2346296A1/fr

1977-10-28 Publication of FR2346296A1 publication Critical patent/FR2346296A1/fr

1982-12-17 Application granted granted Critical

1982-12-17 Publication of FR2346296B1 publication Critical patent/FR2346296B1/fr

Status Granted legal-status Critical Current

Links

239000011521 glass Substances 0.000 title abstract 15
238000010438 heat treatment Methods 0.000 abstract 4
FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 abstract 2
KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 abstract 2
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
229910052681 coesite Inorganic materials 0.000 abstract 1
239000000470 constituent Substances 0.000 abstract 1
229910052593 corundum Inorganic materials 0.000 abstract 1
229910052906 cristobalite Inorganic materials 0.000 abstract 1
239000013078 crystal Substances 0.000 abstract 1
150000004820 halides Chemical class 0.000 abstract 1
239000000377 silicon dioxide Substances 0.000 abstract 1
235000012239 silicon dioxide Nutrition 0.000 abstract 1
229910052682 stishovite Inorganic materials 0.000 abstract 1
229910052905 tridymite Inorganic materials 0.000 abstract 1
229910001845 yogo sapphire Inorganic materials 0.000 abstract 1

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
- C03C4/00—Compositions for glass with special properties
- C03C4/04—Compositions for glass with special properties for photosensitive glass
- C03C4/06—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive

Landscapes

Health & Medical Sciences (AREA)
Chemical & Material Sciences (AREA)
Physics & Mathematics (AREA)
Ophthalmology & Optometry (AREA)
Materials Engineering (AREA)
Geochemistry & Mineralogy (AREA)
Life Sciences & Earth Sciences (AREA)
Organic Chemistry (AREA)
General Chemical & Material Sciences (AREA)
General Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Glass Compositions (AREA)

FR7609315A 1976-03-31 1976-03-31 Procede pour la fabrication de lentilles ophtalmiques photochromiques multifocales Granted FR2346296A1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR7609315A FR2346296A1 (fr)	1976-03-31	1976-03-31	Procede pour la fabrication de lentilles ophtalmiques photochromiques multifocales

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7609315A FR2346296A1 (fr)	1976-03-31	1976-03-31	Procede pour la fabrication de lentilles ophtalmiques photochromiques multifocales

Publications (2)

Publication Number	Publication Date
FR2346296A1 true FR2346296A1 (fr)	1977-10-28
FR2346296B1 FR2346296B1 (fr)	1982-12-17

Family

ID=9171200

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7609315A Granted FR2346296A1 (fr)	1976-03-31	1976-03-31	Procede pour la fabrication de lentilles ophtalmiques photochromiques multifocales

Country Status (1)

Country	Link
FR (1)	FR2346296A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2411806A1 (fr) *	1977-12-19	1979-07-13	Corning Glass Works	Articles en verre photochromique a gradient et procede pour leur realisation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1370368A (fr) *	1963-09-30	1964-08-21	Corning Glass Works	Nouveau verre et son procédé de fabrication
FR2183138A1 (fr) *	1972-05-02	1973-12-14	Zeiss Carl Fa
FR2184805A1 (fr) *	1972-05-15	1973-12-28	Jenaer Glaswerk Schott & Gen
FR2218295A1 (fr) *	1973-02-20	1974-09-13	American Optical Corp
FR2241506A1 (fr) *	1973-08-20	1975-03-21	Jenaer Glaswerk Schott & Gen

1976
- 1976-03-31 FR FR7609315A patent/FR2346296A1/fr active Granted

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1370368A (fr) *	1963-09-30	1964-08-21	Corning Glass Works	Nouveau verre et son procédé de fabrication
FR2183138A1 (fr) *	1972-05-02	1973-12-14	Zeiss Carl Fa
FR2184805A1 (fr) *	1972-05-15	1973-12-28	Jenaer Glaswerk Schott & Gen
FR2218295A1 (fr) *	1973-02-20	1974-09-13	American Optical Corp
FR2241506A1 (fr) *	1973-08-20	1975-03-21	Jenaer Glaswerk Schott & Gen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2411806A1 (fr) *	1977-12-19	1979-07-13	Corning Glass Works	Articles en verre photochromique a gradient et procede pour leur realisation

Also Published As

Publication number	Publication date
FR2346296B1 (fr)	1982-12-17

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Legal Events

Date	Code	Title	Description
1986-01-24	ST	Notification of lapse