FI40837B - - Google Patents
Info
- Publication number
- FI40837B FI40837B FI230561A FI230561A FI40837B FI 40837 B FI40837 B FI 40837B FI 230561 A FI230561 A FI 230561A FI 230561 A FI230561 A FI 230561A FI 40837 B FI40837 B FI 40837B
- Authority
- FI
- Finland
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/23—Photochromic filters
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7961460A | 1960-12-30 | 1960-12-30 | |
| US15327261A | 1961-11-24 | 1961-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI40837B true FI40837B (en) | 1969-02-28 |
Family
ID=26762211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI230561A FI40837B (en) | 1960-12-30 | 1961-12-29 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE612171A (en) |
| CH (1) | CH418538A (en) |
| DE (1) | DE1421838B1 (en) |
| DK (1) | DK129572B (en) |
| FI (1) | FI40837B (en) |
| GB (1) | GB950906A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3406085A (en) * | 1964-05-11 | 1968-10-15 | Corning Glass Works | Photochromic window |
| CH472344A (en) * | 1965-10-27 | 1969-05-15 | Glaverbel | Composite material having the property of standardizing the action of variable electromagnetic radiation in the visible spectrum |
| US3615761A (en) * | 1968-01-31 | 1971-10-26 | Ppg Industries Inc | Phototropic articles containing thallous halide |
| US3656923A (en) * | 1968-05-27 | 1972-04-18 | Corning Glass Works | Method for strengthening photochromic glass articles |
| US3836809A (en) * | 1971-07-19 | 1974-09-17 | Corning Glass Works | Fiber optic plate with dense opal glass cladding |
| DE3020357A1 (en) * | 1980-05-29 | 1981-12-03 | Jenaer Glaswerk Schott & Gen., 6500 Mainz | METHOD FOR REINFORCING THE PHOTOTROPIC EFFECT IN PHOTOTROPIC GLASSES |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE502760A (en) * | 1950-07-07 |
-
1961
- 1961-12-22 GB GB4607461A patent/GB950906A/en not_active Expired
- 1961-12-27 DE DE19611421838 patent/DE1421838B1/en active Pending
- 1961-12-29 CH CH1511461A patent/CH418538A/en unknown
- 1961-12-29 FI FI230561A patent/FI40837B/fi active
- 1961-12-29 BE BE612171A patent/BE612171A/en unknown
- 1961-12-30 DK DK525361A patent/DK129572B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH418538A (en) | 1966-08-15 |
| GB950906A (en) | 1964-02-26 |
| BE612171A (en) | 1962-06-29 |
| DK129572B (en) | 1974-10-28 |
| DK129572C (en) | 1975-03-24 |
| DE1421838B1 (en) | 1970-05-27 |