GB1540471A – Photochromic glasses
– Google Patents
GB1540471A – Photochromic glasses
– Google Patents
Photochromic glasses
Info
Publication number
GB1540471A
GB1540471A
GB3813/76A
GB381376A
GB1540471A
GB 1540471 A
GB1540471 A
GB 1540471A
GB 3813/76 A
GB3813/76 A
GB 3813/76A
GB 381376 A
GB381376 A
GB 381376A
GB 1540471 A
GB1540471 A
GB 1540471A
Authority
GB
United Kingdom
Prior art keywords
photochromic glasses
photochromic
glasses
Prior art date
1976-01-30
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
Application number
GB3813/76A
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.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers Ltd
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.)
1976-01-30
Filing date
1976-01-30
Publication date
1979-02-14
1976-01-30
Application filed by Pilkington Brothers Ltd
filed
Critical
Pilkington Brothers Ltd
1976-01-30
Priority to GB3813/76A
priority
Critical
patent/GB1540471A/en
1977-01-25
Priority to CA270,454A
priority
patent/CA1087436A/en
1977-01-26
Priority to NL7700770A
priority
patent/NL7700770A/en
1977-01-28
Priority to DD7700197140A
priority
patent/DD128805A5/en
1977-01-28
Priority to IT67196/77A
priority
patent/IT1117103B/en
1977-01-28
Priority to FR7702369A
priority
patent/FR2339579A1/en
1977-01-28
Priority to BR7700545A
priority
patent/BR7700545A/en
1977-01-31
Priority to US05/764,314
priority
patent/US4088501A/en
1977-01-31
Priority to JP884777A
priority
patent/JPS52107016A/en
1977-01-31
Priority to DE19772703860
priority
patent/DE2703860A1/en
1977-01-31
Priority to CS77624A
priority
patent/CS199285B2/en
1977-12-31
Priority to AR266375A
priority
patent/AR211949A1/en
1979-02-14
Publication of GB1540471A
publication
Critical
patent/GB1540471A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
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
GB3813/76A
1976-01-30
1976-01-30
Photochromic glasses
Expired
GB1540471A
(en)
Priority Applications (12)
Application Number
Priority Date
Filing Date
Title
GB3813/76A
GB1540471A
(en)
1976-01-30
1976-01-30
Photochromic glasses
CA270,454A
CA1087436A
(en)
1976-01-30
1977-01-25
Boron free alumino-phosphate photochromic glass composition containing dispersed silver halide crystals
NL7700770A
NL7700770A
(en)
1976-01-30
1977-01-26
IMPROVEMENTS RELATING TO LIGHT-SENSITIVE CHROME GLASSES.
DD7700197140A
DD128805A5
(en)
1976-01-30
1977-01-28
PHOTO COLOR GLASSES
IT67196/77A
IT1117103B
(en)
1976-01-30
1977-01-28
PHOTOCHROMATIC GLASS
FR7702369A
FR2339579A1
(en)
1976-01-30
1977-01-28
IMPROVEMENTS TO PHOTOCHROMIC GLASSES WITH ALUMINOPHOSPHATE AND SILVER HALOGENIDE FREE OF BORON
BR7700545A
BR7700545A
(en)
1976-01-30
1977-01-28
PHOTOCHROMIC ALUMINOPHOSPHATE GLASS, HAVING SILVER HALOGENIDE CRYSTALS DISPERSED THROUGH IT
US05/764,314
US4088501A
(en)
1976-01-30
1977-01-31
Photochromic alumino-phosphate glasses
JP884777A
JPS52107016A
(en)
1976-01-30
1977-01-31
Photochromic glass
DE19772703860
DE2703860A1
(en)
1976-01-30
1977-01-31
PHOTOCHROMES, BORON-FREE ALUMINOPHOSPHATE GLASS
CS77624A
CS199285B2
(en)
1976-01-30
1977-01-31
Photochromic boron-free aluminosiliceous glass
AR266375A
AR211949A1
(en)
1976-01-30
1977-12-31
PHOTOCHROMIC GLASSES
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB3813/76A
GB1540471A
(en)
1976-01-30
1976-01-30
Photochromic glasses
Publications (1)
Publication Number
Publication Date
GB1540471A
true
GB1540471A
(en)
1979-02-14
Family
ID=9765391
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB3813/76A
Expired
GB1540471A
(en)
1976-01-30
1976-01-30
Photochromic glasses
Country Status (12)
Country
Link
US
(1)
US4088501A
(en)
JP
(1)
JPS52107016A
(en)
AR
(1)
AR211949A1
(en)
BR
(1)
BR7700545A
(en)
CA
(1)
CA1087436A
(en)
CS
(1)
CS199285B2
(en)
DD
(1)
DD128805A5
(en)
DE
(1)
DE2703860A1
(en)
FR
(1)
FR2339579A1
(en)
GB
(1)
GB1540471A
(en)
IT
(1)
IT1117103B
(en)
NL
(1)
NL7700770A
(en)
Families Citing this family (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
BR8006255A
(en)
*
1979-10-12
1981-04-14
Pilkington Brothers Ltd
PHOTOCHROMIC ALUMINUM PHOSPHATE GLASS
DE3204625C2
(en)
*
1982-02-10
1986-07-10
Schott Glaswerke, 6500 Mainz
Alumosilico-phosphate spectacle lens with an Abbe number over 46, with a refractive index over 1.56 and a very low density
US4549894A
(en)
*
1984-06-06
1985-10-29
Corning Glass Works
Ultraviolet absorbing photochromic glass of low silver content
JPH0451968U
(en)
*
1990-09-11
1992-05-01
US5589285A
(en)
*
1993-09-09
1996-12-31
Technology Management, Inc.
Electrochemical apparatus and process
US5445903A
(en)
*
1993-09-09
1995-08-29
Technology Management, Inc.
Electrochemical apparatus
JP3883527B2
(en)
2003-07-17
2007-02-21
ニプロ株式会社
Transfer needle
BR112014011561A2
(en)
2011-11-16
2017-05-09
Corning Inc
cracking initiation high threshold ion exchange glass
Family Cites Families (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3615761A
(en)
*
1968-01-31
1971-10-26
Ppg Industries Inc
Phototropic articles containing thallous halide
GB1367903A
(en)
*
1971-07-12
1974-09-25
Pilkington Brothers Ltd
Photochromic glasses
AR204329A1
(en)
*
1974-02-01
1975-12-22
Jenaer Glaswerk Schott & Gen
PHOTOTROPICAL GLASS FREE OF FLUORINE AND BORIC ACID
1976
1976-01-30
GB
GB3813/76A
patent/GB1540471A/en
not_active
Expired
1977
1977-01-25
CA
CA270,454A
patent/CA1087436A/en
not_active
Expired
1977-01-26
NL
NL7700770A
patent/NL7700770A/en
not_active
Application Discontinuation
1977-01-28
BR
BR7700545A
patent/BR7700545A/en
unknown
1977-01-28
DD
DD7700197140A
patent/DD128805A5/en
unknown
1977-01-28
FR
FR7702369A
patent/FR2339579A1/en
active
Granted
1977-01-28
IT
IT67196/77A
patent/IT1117103B/en
active
1977-01-31
US
US05/764,314
patent/US4088501A/en
not_active
Expired – Lifetime
1977-01-31
CS
CS77624A
patent/CS199285B2/en
unknown
1977-01-31
JP
JP884777A
patent/JPS52107016A/en
active
Granted
1977-01-31
DE
DE19772703860
patent/DE2703860A1/en
not_active
Withdrawn
1977-12-31
AR
AR266375A
patent/AR211949A1/en
active
Also Published As
Publication number
Publication date
CS199285B2
(en)
1980-07-31
JPS52107016A
(en)
1977-09-08
CA1087436A
(en)
1980-10-14
AR211949A1
(en)
1978-04-14
US4088501A
(en)
1978-05-09
FR2339579B1
(en)
1982-05-14
IT1117103B
(en)
1986-02-10
DD128805A5
(en)
1977-12-14
BR7700545A
(en)
1977-10-04
JPS569464B2
(en)
1981-03-02
NL7700770A
(en)
1977-08-02
DE2703860A1
(en)
1977-08-25
FR2339579A1
(en)
1977-08-26
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Lens
Legal Events
Date
Code
Title
Description
1979-06-20
PS
Patent sealed [section 19, patents act 1949]
1985-09-25
PCNP
Patent ceased through non-payment of renewal fee
