BE691306A - - Google Patents
Info
- Publication number
- BE691306A BE691306A BE691306DA BE691306A BE 691306 A BE691306 A BE 691306A BE 691306D A BE691306D A BE 691306DA BE 691306 A BE691306 A BE 691306A
- 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
- G03C1/72—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
-
- 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 |
|---|---|---|---|
| US51483865A | 1965-12-20 | 1965-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE691306A true BE691306A (da) | 1967-05-29 |
Family
ID=24048885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE691306D BE691306A (da) | 1965-12-20 | 1966-12-16 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3510308A (da) |
| BE (1) | BE691306A (da) |
| CH (1) | CH477708A (da) |
| DE (1) | DE1572222B1 (da) |
| DK (1) | DK130436B (da) |
| FR (1) | FR1505824A (da) |
| GB (1) | GB1111055A (da) |
| NL (1) | NL6617881A (da) |
| SE (1) | SE320881B (da) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1273746A (en) * | 1968-10-03 | 1972-05-10 | Agfa Gevaert | Unsaturated photochromic monomers and polymers prepared therefrom |
| US4010033A (en) * | 1973-08-03 | 1977-03-01 | Agence Nationale De Valorisation De La Recherche (Anvar) | Photosensitive layer and method of forming a photographic image therefrom |
| FR2445334A1 (fr) * | 1978-12-28 | 1980-07-25 | Issec Labo Physicochimie | Procede de reproduction couleur par photodecoloration de complexes de spiropyrannes et/ou merocyanines, et le papier sensible correspondant |
| IE56890B1 (en) * | 1984-12-30 | 1992-01-15 | Scully Richard L | Photosensitive composition for direct positive colour photograph |
| JP3200649B2 (ja) * | 1991-03-13 | 2001-08-20 | 大塚化学株式会社 | 遷移金属スピロベンゾピラン錯体、その製造方法及び該錯体からなるフォトクロミック材料 |
| JP3030471B2 (ja) * | 1991-03-13 | 2000-04-10 | 大塚化学株式会社 | インドリノスピロベンゾチオピラン誘導体とその開環型異性体を含むことからなる結晶、その製造方法及び該結晶からなるピエゾクロミック材料 |
| US7316875B2 (en) * | 2005-05-06 | 2008-01-08 | Xerox Corporation | Photochromic paper with improved bistability |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3152903A (en) * | 1959-04-30 | 1964-10-13 | Minnesota Mining & Mfg | Reproduction system |
| US3364023A (en) * | 1964-02-04 | 1968-01-16 | Ncr Co | Formation of silver images from ultraviolet-light-induced benzoindolinospiropyran dye images |
-
1965
- 1965-12-20 US US514838A patent/US3510308A/en not_active Expired - Lifetime
-
1966
- 1966-10-25 GB GB47763/66A patent/GB1111055A/en not_active Expired
- 1966-11-30 SE SE16397/66A patent/SE320881B/xx unknown
- 1966-12-15 DE DE19661572222 patent/DE1572222B1/de active Pending
- 1966-12-16 BE BE691306D patent/BE691306A/xx not_active IP Right Cessation
- 1966-12-19 DK DK655266AA patent/DK130436B/da not_active IP Right Cessation
- 1966-12-19 CH CH1832666A patent/CH477708A/fr not_active IP Right Cessation
- 1966-12-19 FR FR87906A patent/FR1505824A/fr not_active Expired
- 1966-12-20 NL NL6617881A patent/NL6617881A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3510308A (en) | 1970-05-05 |
| DK130436C (da) | 1975-07-21 |
| NL6617881A (da) | 1967-06-21 |
| CH477708A (fr) | 1969-08-31 |
| SE320881B (da) | 1970-02-16 |
| GB1111055A (en) | 1968-04-24 |
| FR1505824A (fr) | 1967-12-15 |
| DE1572222B1 (de) | 1970-02-12 |
| DK130436B (da) | 1975-02-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: THE NATIONAL CASH REGISTER CY Effective date: 19841216 |