BE744216A - Procede pour la fabrication d'un papier capable d'emettre une luminescence sous l'action des rayons x, et papier luminescent ainsi obtenu - Google Patents
Procede pour la fabrication d'un papier capable d'emettre une luminescence sous l'action des rayons x, et papier luminescent ainsi obtenuInfo
- Publication number
- BE744216A BE744216A BE744216DA BE744216A BE 744216 A BE744216 A BE 744216A BE 744216D A BE744216D A BE 744216DA BE 744216 A BE744216 A BE 744216A
- Authority
- BE
- Belgium
- Prior art keywords
- paper
- rays
- manufacture
- action
- luminescent
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C3/00—Sorting according to destination
- B07C3/18—Devices or arrangements for indicating destination, e.g. by code marks
-
- 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
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K4/00—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6902593A FR2029427A1 (fr) | 1969-01-30 | 1969-01-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE744216A true BE744216A (fr) | 1970-06-15 |
Family
ID=9028665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE744216D BE744216A (fr) | 1969-01-30 | 1970-01-09 | Procede pour la fabrication d'un papier capable d'emettre une luminescence sous l'action des rayons x, et papier luminescent ainsi obtenu |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE744216A (fr) |
CH (1) | CH519624A (fr) |
DE (1) | DE2002931C3 (fr) |
FR (1) | FR2029427A1 (fr) |
GB (1) | GB1305931A (fr) |
NL (1) | NL7000414A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1585533A (en) * | 1976-12-07 | 1981-03-04 | Portals Ltd | Security papers |
-
1969
- 1969-01-30 FR FR6902593A patent/FR2029427A1/fr not_active Withdrawn
-
1970
- 1970-01-09 BE BE744216D patent/BE744216A/fr unknown
- 1970-01-13 NL NL7000414A patent/NL7000414A/xx unknown
- 1970-01-21 CH CH78970A patent/CH519624A/fr not_active IP Right Cessation
- 1970-01-23 GB GB338370A patent/GB1305931A/en not_active Expired
- 1970-01-23 DE DE19702002931 patent/DE2002931C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2029427A1 (fr) | 1970-10-23 |
GB1305931A (fr) | 1973-02-07 |
CH519624A (fr) | 1972-02-29 |
NL7000414A (fr) | 1970-08-03 |
DE2002931B2 (de) | 1974-07-18 |
DE2002931C3 (de) | 1975-03-20 |
DE2002931A1 (de) | 1970-08-13 |
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