BE670870A - - Google Patents
Info
- Publication number
- BE670870A BE670870A BE670870DA BE670870A BE 670870 A BE670870 A BE 670870A BE 670870D A BE670870D A BE 670870DA BE 670870 A BE670870 A BE 670870A
- Authority
- BE
- Belgium
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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
- G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40871864A | 1964-10-30 | 1964-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE670870A true BE670870A (xx) | 1966-04-13 |
Family
ID=23617464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE670870D BE670870A (xx) | 1964-10-30 | 1965-10-13 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE670870A (xx) |
| CH (1) | CH489026A (xx) |
| DE (1) | DE1472784A1 (xx) |
| GB (1) | GB1105825A (xx) |
| NL (1) | NL6513991A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3345639A1 (de) * | 1983-12-16 | 1985-07-04 | Optische Werke G. Rodenstock, 8000 München | Optisches element mit phototropem ueberzug |
-
1965
- 1965-09-08 GB GB3841465A patent/GB1105825A/en not_active Expired
- 1965-10-13 BE BE670870D patent/BE670870A/xx unknown
- 1965-10-26 DE DE19651472784 patent/DE1472784A1/de active Pending
- 1965-10-28 NL NL6513991A patent/NL6513991A/xx unknown
- 1965-10-28 CH CH1487365A patent/CH489026A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH489026A (de) | 1970-04-15 |
| GB1105825A (en) | 1968-03-13 |
| DE1472784A1 (de) | 1969-12-04 |
| NL6513991A (xx) | 1966-05-02 |