GB2320023B - Lead-free crown glass - Google Patents

Lead-free crown glass

Info

Publication number: GB2320023B
Authority: GB; United Kingdom
Prior art keywords: lead; crown glass; free crown; free; glass
Prior art date: 1996-12-06
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.): Expired - Fee Related

Application number

GB9720753A

Other versions

GB2320023A (en

GB9720753D0 (en

Inventor

Marc Clement

Volkmar Geiler

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.)

Carl Zeiss AG

Original Assignee

Carl Zeiss AG

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.)

1996-12-06

Filing date

1997-10-01

Publication date

2000-10-04

1997-10-01 Application filed by Carl Zeiss AG filed Critical Carl Zeiss AG

1997-12-03 Publication of GB9720753D0 publication Critical patent/GB9720753D0/en

1998-06-10 Publication of GB2320023A publication Critical patent/GB2320023A/en

2000-10-04 Application granted granted Critical

2000-10-04 Publication of GB2320023B publication Critical patent/GB2320023B/en

2017-10-01 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc

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)

GB9720753A 1996-12-06 1997-10-01 Lead-free crown glass Expired - Fee Related GB2320023B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE1996150692 DE19650692C2 (en)	1996-12-06	1996-12-06	Lead-free crown glasses

Publications (3)

Publication Number	Publication Date
GB9720753D0 GB9720753D0 (en)	1997-12-03
GB2320023A GB2320023A (en)	1998-06-10
GB2320023B true GB2320023B (en)	2000-10-04

Family

ID=7813862

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9720753A Expired - Fee Related GB2320023B (en)	1996-12-06	1997-10-01	Lead-free crown glass

Country Status (6)

Country	Link
JP (1)	JP4412747B2 (en)
CN (1)	CN1269754C (en)
DE (1)	DE19650692C2 (en)
FR (1)	FR2756821B1 (en)
GB (1)	GB2320023B (en)
MY (1)	MY133265A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7329886B2 (en)	1998-05-05	2008-02-12	Carl Zeiss Smt Ag	EUV illumination system having a plurality of light sources for illuminating an optical element
DE19828992C1 (en) *	1998-06-29	1999-10-07	Schott Glas	Lead-free optical glass of barium light flint glass, barium crown glass, crown glass, crown flint glass or boron crown glass type
US6620747B2 (en)	2000-06-28	2003-09-16	Ivoclar Vivadent Ag	Low temperature-sintering apatite glass ceramic
US6626986B2 (en)	2000-06-28	2003-09-30	Ivoclar Vivadent Ag	Low-temperature-sintering potassium-zinc-silicate glass
DE10031431B4 (en) *	2000-06-28	2008-03-13	Ivoclar Vivadent Ag	Deep-sintering potassium-zinc-silicate glass and its use
DE10031430A1 (en) *	2000-06-28	2002-01-17	Ivoclar Vivadent Ag	Deep-sintered apatite glass-ceramic
DE10256629B3 (en)	2002-12-03	2004-02-19	Schott Glas	Optical glass for an optical element in imaging, projection, telecommunications, optical communication engineering and/or in laser technology comprises oxides of silicon, boron, aluminum, sodium and potassium
US7572746B2 (en) *	2003-09-09	2009-08-11	Kabushiki Kaisha Ohara	Optical glass
CN1982244B (en) *	2005-12-16	2010-10-27	王瑛	Health-care fluorescent-lamp tube glass against osteoporosis
DE102007044756A1 (en)	2007-09-19	2009-04-09	Robert Bosch Gmbh	Yaw moment adjusting method for e.g. car, involves calculating additional steering angle based on detection of pressure loss in tire, and reverting regulating or controlling device for calculation of angle on cause-effect relationships
CN105271724A (en) *	2015-10-22	2016-01-27	成都光明光电股份有限公司	Optical glass and optical element
JP7398185B2 (en) *	2017-01-25	2023-12-14	日本電気硝子株式会社	optical glass lens
WO2018139167A1 (en) *	2017-01-25	2018-08-02	日本電気硝子株式会社	Optical glass lens

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB916542A (en) *	1960-09-30	1963-01-23	Bausch & Lomb	Glass composition
GB1290608A (en) *	1969-10-03	1972-09-27
GB1475500A (en) *	1973-12-06	1977-06-01	Pilkington Brothers Ltd	Ophthalmic glass compositions
EP0719740A1 (en) *	1994-12-27	1996-07-03	Corning France S.A.	Colorless ophthalmic glasses

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE973350C (en) *	1940-06-10	1960-01-28	Jenaer Glaswerk Schott & Gen	Optical silicate glasses with a refractive index that is low in relation to the mean dispersion or the ª † value
BE551391A (en) *	1956-09-10
US4012131A (en) *	1975-08-20	1977-03-15	American Optical Corporation	High strength ophthalmic lens
GB2029401B (en) *	1979-08-16	1983-01-06	Sumita Optical Glass Mfg Co Lt	Optical glass for optical paths
FR2558152B1 (en) *	1984-01-13	1992-03-27	Corning Glass Works	LOW DENSITY OPHTHALMIC LENSES, ABSORBING ULTRAVIOLET RADIATION AND HAVING HIGH TRANSMISSION INTO THE VISIBLE AND CORRECTIVE LENSES MADE OF SUCH LENSES
JPH01133956A (en) *	1987-11-20	1989-05-26	Canon Inc	Glass composition for gradient index lens
JPH01201043A (en) *	1988-02-05	1989-08-14	Eta G K:Kk	High-strength glass
JPH01239036A (en) *	1988-03-16	1989-09-25	F G K:Kk	High-strength glass
JPH03183638A (en) *	1989-12-11	1991-08-09	Nippon Electric Glass Co Ltd	Glass for sealing stainless steel
JP2795326B2 (en) *	1991-04-05	1998-09-10	株式会社オハラ	Optical glass
CZ278892B6 (en) *	1991-05-08	1994-08-17	Vysoka Skola Chem Tech	Lead-free crystal glass
DE4303474C2 (en) *	1992-04-10	1995-10-26	Schott Glaswerke	Lead- and barium-free crystal glass with high light transmission
DK0564802T3 (en) *	1992-04-10	1997-03-10	Schott Glaswerke	Lead and barium-free crystal glass with high light transmission
DE4309701C1 (en) *	1993-03-25	1994-06-30	Schott Glaswerke	Lead-free crystal glass with high light transmission
FR2713622B1 (en) *	1993-12-10	1996-03-01	Corning Vitro Corp	Glasses not containing lead and having the characteristics of crystal.

1996
- 1996-12-06 DE DE1996150692 patent/DE19650692C2/en not_active Expired - Fee Related
1997
- 1997-10-01 GB GB9720753A patent/GB2320023B/en not_active Expired - Fee Related
- 1997-10-22 FR FR9713208A patent/FR2756821B1/en not_active Expired - Fee Related
- 1997-10-27 MY MYPI9705065 patent/MY133265A/en unknown
- 1997-11-06 JP JP31915697A patent/JP4412747B2/en not_active Expired - Fee Related
- 1997-12-05 CN CN 97125359 patent/CN1269754C/en not_active Expired - Fee Related

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB916542A (en) *	1960-09-30	1963-01-23	Bausch & Lomb	Glass composition
GB1290608A (en) *	1969-10-03	1972-09-27
GB1475500A (en) *	1973-12-06	1977-06-01	Pilkington Brothers Ltd	Ophthalmic glass compositions
EP0719740A1 (en) *	1994-12-27	1996-07-03	Corning France S.A.	Colorless ophthalmic glasses

Also Published As

Publication number	Publication date
JP4412747B2 (en)	2010-02-10
CN1186051A (en)	1998-07-01
FR2756821A1 (en)	1998-06-12
GB2320023A (en)	1998-06-10
DE19650692C2 (en)	1999-01-14
FR2756821B1 (en)	1999-12-10
CN1269754C (en)	2006-08-16
GB9720753D0 (en)	1997-12-03
MY133265A (en)	2007-10-31
DE19650692A1 (en)	1998-06-10
JPH10167753A (en)	1998-06-23

Publication	Publication Date	Title
HU9602086D0 (en)	1996-09-30	Glass composition
GB2317611B (en)	2000-06-21	Heat-resistant glass composition
GB2313873B (en)	2001-01-24	Glass holder
ZA956370B (en)	1996-03-14	Glass compositions
GB9401818D0 (en)	1994-03-23	Glass compositions
HU9602087D0 (en)	1996-09-30	Glass composition
GB2320023B (en)	2000-10-04	Lead-free crown glass
HUP9600148A3 (en)	1999-01-28	Glass composition
GB2321640B (en)	2000-10-11	Lead-free dense and extra-dense optical barium crown glass
GB9614997D0 (en)	1996-09-04	Glass compostion
HUT74862A (en)	1997-02-28	Glass
GB9522099D0 (en)	1996-01-03	Cap
GB2315686B (en)	2001-01-17	Glass
GB9612973D0 (en)	1996-08-21	Visor
GB9610836D0 (en)	1996-07-31	Glass composition
GB2295898A8 (en)	1996-07-21	Glass electrode
AU132688S (en)	1998-01-13	Glass
GB9708564D0 (en)	1997-06-18	Glass compositions660449001
CA78669S (en)	1996-07-12	Protective glasses
LTIP1783A (en)	1995-08-25	Parapet convex
AU127452S (en)	1996-07-26	Glasses
CA74225S (en)	1994-05-12	Glass shade
AU124503S (en)	1995-08-29	Cap
AU124463S (en)	1995-08-23	Cap
PL306327A1 (en)	1996-06-24	Microporous glass

Legal Events

Date	Code	Title	Description
2007-06-27	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20061001