NL302764A - - Google Patents
Info
- Publication number
- NL302764A NL302764A NL302764DA NL302764A NL 302764 A NL302764 A NL 302764A NL 302764D A NL302764D A NL 302764DA NL 302764 A NL302764 A NL 302764A
- Authority
- NL
- Netherlands
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
- C03C4/065—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass for silver-halide free 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
- 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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/23—Photochromic filters
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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25820063A | 1963-02-13 | 1963-02-13 | |
| US265150A US3293052A (en) | 1963-03-14 | 1963-03-14 | Glass article and method of making it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL302764A true NL302764A (en:Method) |
Family
ID=26946491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL302764D NL302764A (en:Method) | 1963-02-13 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE643613A (en:Method) |
| NL (1) | NL302764A (en:Method) |
-
0
- NL NL302764D patent/NL302764A/xx unknown
-
1964
- 1964-02-10 BE BE643613D patent/BE643613A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE643613A (en:Method) | 1964-08-10 |