FR2351920A1 - Perfectionnement au verre photochromique - Google Patents
Perfectionnement au verre photochromiqueInfo
- Publication number
- FR2351920A1 FR2351920A1 FR7715346A FR7715346A FR2351920A1 FR 2351920 A1 FR2351920 A1 FR 2351920A1 FR 7715346 A FR7715346 A FR 7715346A FR 7715346 A FR7715346 A FR 7715346A FR 2351920 A1 FR2351920 A1 FR 2351920A1
- Authority
- FR
- France
- Prior art keywords
- silver
- glass
- improve stability
- compsn
- photochromic glass
- Prior art date
- 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.)
- Withdrawn
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
- 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
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2068776 | 1976-05-19 | ||
GB3401076 | 1976-08-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2351920A1 true FR2351920A1 (fr) | 1977-12-16 |
Family
ID=26254826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7715346A Withdrawn FR2351920A1 (fr) | 1976-05-19 | 1977-05-18 | Perfectionnement au verre photochromique |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS534025A (ja) |
BR (1) | BR7703237A (ja) |
DE (1) | DE2722588A1 (ja) |
FR (1) | FR2351920A1 (ja) |
IT (1) | IT1082061B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3206958C2 (de) * | 1982-02-26 | 1986-09-18 | Schott Glaswerke, 6500 Mainz | Phototropes Glas mit einem Brechungsindex ≥ 1,59, einer Abbezahl ≥ 44 und einer Dichte ≦ 3,0 g/cm↑3↑ |
-
1977
- 1977-05-18 DE DE19772722588 patent/DE2722588A1/de active Pending
- 1977-05-18 FR FR7715346A patent/FR2351920A1/fr not_active Withdrawn
- 1977-05-19 JP JP5820177A patent/JPS534025A/ja active Pending
- 1977-05-19 IT IT2375277A patent/IT1082061B/it active
- 1977-05-19 BR BR7703237A patent/BR7703237A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
BR7703237A (pt) | 1978-02-08 |
JPS534025A (en) | 1978-01-14 |
DE2722588A1 (de) | 1977-12-08 |
IT1082061B (it) | 1985-05-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2862002D1 (en) | Cis-platinum (ii) complexes of 1,2-diamino-cyclohexane and pharmaceutical composition containing them | |
CA943425A (en) | Filter for smoker's article and method of making same | |
HU178586B (en) | Fungicide composition containing 1,2,4-triasole derivatives and process for producing the active agents | |
CA957003A (en) | Composite heavy-duty bushing and method of making the same | |
AU511707B2 (en) | Treatment of liquids containing complexed metals and complexing agents | |
IL47641A (en) | 4-trifluoromethyl-4'-hydroxydiphenyl ethers and process for their manufacture | |
FR2351920A1 (fr) | Perfectionnement au verre photochromique | |
JPS52136159A (en) | Anti/malignanttumor containing the same as active ingredients | |
JPS539784A (en) | Production of oxaziazine derivatives and pesticide containing same as effective component | |
ES8506316A1 (es) | Procedimiento de preparacion de1,1-dioxido del acido penicilanico por deshalogenacion de 1,1-dioxido del acido 6,6-dibromopenicilanico. | |
DE3171015D1 (en) | Process for the formation of negative colour images according to the silver dye-bleaching process, and the silver dye-bleaching material used in this process | |
GB1557609A (en) | Process for the preparation of factor 8 concentrates | |
CA1008070A (en) | 1,4-diazacycloalkane derivatives and acid addition compounds thereof and method of making same | |
EP0044812A3 (en) | Process for the formation of masked positive colour images according to the silver dye-bleaching process, and the silver dye-bleaching material used in this process | |
JPS538623A (en) | Metallcontained complex compositions* and production method and application thereof | |
JPS5214289A (en) | Metal bond diamond wheel, its production | |
DE2861587D1 (en) | Process for the preparation of di-(halo)-vinyl compounds and di-(halo)-vinyl compounds produced thereby | |
HU177751B (en) | Fungicide compositions containing 1-cycloalkylcarbonyl-3-bracket-3,5-dihalogen-phenyl-bracket closed-imidasolidine-2,4-dione derivatives and process for producing the active agents | |
CA987233A (en) | Compositions containing 3-nitroimidazo (1,2-b) pyridazines and method of use | |
JPS5230994A (en) | Gear manufacturing method | |
JPS535146A (en) | Indane derivatives and their preparation | |
CA951328A (en) | Method of producing 2,2,6-trichlorocylohexanone and composition thereof | |
JPS52125986A (en) | Electromagnetic proportional control valve | |
SU572459A1 (ru) | 4-(2-Арилиден-1-метилгидразино-1)фталазоны, про вл ющие антигельминтную активность и способ их получени | |
JPS5218897A (en) | Rapid production of concentrated soy sauce |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |