BE569912A - - Google Patents

Info

Publication number: BE569912A
Authority: BE; Belgium

Application number

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1957-07-30

Publication of BE569912A publication Critical patent/BE569912A/xx

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

BE569912D 1957-07-30 BE569912A (enrdf_load_html_response)

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 (enrdf_load_html_response)

Family

ID=7090926

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE569912D BE569912A (enrdf_load_html_response)	1957-07-30

Country Status (5)

Country	Link
BE (1)	BE569912A (enrdf_load_html_response)
CH (1)	CH378333A (enrdf_load_html_response)
DE (1)	DE1090168B (enrdf_load_html_response)
FR (1)	FR1201000A (enrdf_load_html_response)
NL (2)	NL230056A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1237525B (de) *	1962-02-01	1967-03-30	Hoechst Ag	Optischer Aufheller

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE442600A (enrdf_load_html_response) *	1940-08-31

0
- BE BE569912D patent/BE569912A/xx unknown
- NL NL113016D patent/NL113016C/xx active
- NL NL230056D patent/NL230056A/xx unknown
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
NL113016C (enrdf_load_html_response)
DE1090168B (de)	1960-10-06
FR1201000A (fr)	1959-12-28
NL230056A (enrdf_load_html_response)
CH378333A (de)	1964-06-15

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