BE717947A - - Google Patents
Info
- Publication number
- BE717947A BE717947A BE717947DA BE717947A BE 717947 A BE717947 A BE 717947A BE 717947D A BE717947D A BE 717947DA BE 717947 A BE717947 A BE 717947A
- Authority
- BE
- Belgium
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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
-
- 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)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Laminated Bodies (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR114063A FR1542562A (fr) | 1967-07-12 | 1967-07-12 | Procédé pour la protection de couches de substances photochromiques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE717947A true BE717947A (https=) | 1969-01-13 |
Family
ID=8634997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE717947D BE717947A (https=) | 1967-07-12 | 1968-07-11 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4817892B1 (https=) |
| BE (1) | BE717947A (https=) |
| DE (1) | DE1772846A1 (https=) |
| FR (1) | FR1542562A (https=) |
| GB (1) | GB1239075A (https=) |
| NL (1) | NL6809143A (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8234283D0 (en) * | 1982-12-01 | 1995-04-12 | Secr Defence | Improvements in or relating to surveillance apparatus |
| DE3532780A1 (de) * | 1985-09-13 | 1987-03-26 | Maximilian F Prof Dr I Mutzhas | Strahlenschutzfilter |
| DE4127810C2 (de) * | 1991-08-22 | 1997-04-24 | Rodenstock Optik G | Optisch transparentes photochromes Kunststoffmaterial |
-
1967
- 1967-07-12 FR FR114063A patent/FR1542562A/fr not_active Expired
-
1968
- 1968-06-28 NL NL6809143A patent/NL6809143A/xx unknown
- 1968-07-11 DE DE19681772846 patent/DE1772846A1/de active Pending
- 1968-07-11 BE BE717947D patent/BE717947A/xx unknown
- 1968-07-11 GB GB1239075D patent/GB1239075A/en not_active Expired
- 1968-07-12 JP JP4858068A patent/JPS4817892B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4817892B1 (https=) | 1973-06-01 |
| NL6809143A (https=) | 1969-01-14 |
| GB1239075A (https=) | 1971-07-14 |
| FR1542562A (fr) | 1968-10-18 |
| DE1772846A1 (de) | 1971-06-09 |