BE732683A - - Google Patents
Info
- Publication number
- BE732683A BE732683A BE732683DA BE732683A BE 732683 A BE732683 A BE 732683A BE 732683D A BE732683D A BE 732683DA BE 732683 A BE732683 A BE 732683A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3079368 | 1968-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE732683A true BE732683A (xx) | 1969-10-16 |
Family
ID=12313543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE732683D BE732683A (xx) | 1968-05-08 | 1969-05-07 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE732683A (xx) |
| DE (1) | DE1922842A1 (xx) |
| FR (1) | FR2008056A1 (xx) |
| GB (1) | GB1226891A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2725391B2 (ja) * | 1989-07-31 | 1998-03-11 | 松下電器産業株式会社 | フォトクロミック材料及びフォトクロミック材料の製造方法 |
| JP2759689B2 (ja) * | 1989-11-24 | 1998-05-28 | 松下電器産業株式会社 | Ｒａｍの読み出し回路 |
| US7214456B2 (en) | 2004-04-29 | 2007-05-08 | Xerox Corporation | Reimageable medium |
| US7300727B2 (en) | 2004-04-29 | 2007-11-27 | Xerox Corporation | Method for forming temporary image |
| US7205088B2 (en) | 2004-04-29 | 2007-04-17 | Xerox Corporation | Reimageable medium with light absorbing material |
-
1969
- 1969-05-05 DE DE19691922842 patent/DE1922842A1/de active Pending
- 1969-05-07 BE BE732683D patent/BE732683A/xx unknown
- 1969-05-07 FR FR6914588A patent/FR2008056A1/fr not_active Withdrawn
- 1969-05-08 GB GB1226891D patent/GB1226891A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2008056A1 (xx) | 1970-01-16 |
| DE1922842A1 (de) | 1969-12-04 |
| GB1226891A (xx) | 1971-03-31 |