NL81493C - - Google Patents
Info
- Publication number
- NL81493C NL81493C NL81493DA NL81493C NL 81493 C NL81493 C NL 81493C NL 81493D A NL81493D A NL 81493DA NL 81493 C NL81493 C NL 81493C
- Authority
- NL
- Netherlands
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
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/815—Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching
- G03C1/8155—Organic compounds therefor
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2115951A GB712764A (en) | 1951-09-07 | 1951-09-07 | Improvements in or relating to a process for improving the whiteness or colour of materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL81493C true NL81493C (en:Method) |
Family
ID=10158163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL81493D NL81493C (en:Method) | 1951-09-07 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB712764A (en:Method) |
| NL (1) | NL81493C (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1157193B (de) * | 1957-10-30 | 1963-11-14 | Unilever Nv | Aufhellen von Textilien |
| US4201707A (en) * | 1975-05-09 | 1980-05-06 | Bayer Aktiengesellschaft | Methine dyestuffs containing a phenyl azo group |
| DE2520816C3 (de) * | 1975-05-09 | 1979-02-15 | Bayer Ag, 5090 Leverkusen | Methinfarbstoffe |
-
0
- NL NL81493D patent/NL81493C/xx active
-
1951
- 1951-09-07 GB GB2115951A patent/GB712764A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB712764A (en) | 1954-07-28 |