BE569912A - - Google Patents
Info
- Publication number
- BE569912A BE569912A BE569912DA BE569912A BE 569912 A BE569912 A BE 569912A BE 569912D A BE569912D A BE 569912DA BE 569912 A BE569912 A BE 569912A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF23636A DE1090168B (de) | 1957-07-30 | 1957-07-30 | Aufhellungsmittel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE569912A true BE569912A (es) |
Family
ID=7090926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE569912D BE569912A (es) | 1957-07-30 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE569912A (es) |
| CH (1) | CH378333A (es) |
| DE (1) | DE1090168B (es) |
| FR (1) | FR1201000A (es) |
| NL (2) | NL113016C (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1237525B (de) * | 1962-02-01 | 1967-03-30 | Hoechst Ag | Optischer Aufheller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE442600A (es) * | 1940-08-31 |
-
0
- NL NL230056D patent/NL230056A/xx unknown
- BE BE569912D patent/BE569912A/xx unknown
- NL NL113016D patent/NL113016C/xx active
-
1957
- 1957-07-30 DE DEF23636A patent/DE1090168B/de active Pending
-
1958
- 1958-07-23 CH CH6212558A patent/CH378333A/de unknown
- 1958-07-30 FR FR1201000D patent/FR1201000A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL230056A (es) | |
| NL113016C (es) | |
| CH378333A (de) | 1964-06-15 |
| DE1090168B (de) | 1960-10-06 |
| FR1201000A (fr) | 1959-12-28 |