FR806717A - Procédé de fabrication de papier de sûreté - Google Patents
Procédé de fabrication de papier de sûretéInfo
- Publication number
- FR806717A FR806717A FR806717DA FR806717A FR 806717 A FR806717 A FR 806717A FR 806717D A FR806717D A FR 806717DA FR 806717 A FR806717 A FR 806717A
- Authority
- FR
- France
- Prior art keywords
- manufacturing process
- security paper
- paper manufacturing
- security
- paper
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
- D21H21/46—Elements suited for chemical verification or impeding chemical tampering, e.g. by use of eradicators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24835—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including developable image or soluble portion in coating or impregnation [e.g., safety paper, etc.]
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DET43582D DE660599C (de) | 1934-02-08 | 1934-02-08 | Verfahren zur Herstellung von Sicherheitspapier |
Publications (1)
Publication Number | Publication Date |
---|---|
FR806717A true FR806717A (fr) | 1936-12-23 |
Family
ID=26000533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR806717D Expired FR806717A (fr) | 1934-02-08 | 1936-05-23 | Procédé de fabrication de papier de sûreté |
Country Status (5)
Country | Link |
---|---|
US (1) | US2112756A (fr) |
CH (1) | CH189156A (fr) |
DE (1) | DE660599C (fr) |
FR (1) | FR806717A (fr) |
GB (1) | GB460405A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL264698A (fr) * | 1960-02-19 | |||
FR2620146B1 (fr) * | 1987-09-03 | 1991-10-04 | Arjomari Prioux | Moyen, papier et document de securite contre la falsification par agent chimique et la contrefacon |
GB2496127A (en) | 2011-10-31 | 2013-05-08 | Aidc Global Ltd | A randomly generated identification mark |
-
1934
- 1934-02-08 DE DET43582D patent/DE660599C/de not_active Expired
-
1936
- 1936-05-16 CH CH189156D patent/CH189156A/de unknown
- 1936-05-20 GB GB14325/36A patent/GB460405A/en not_active Expired
- 1936-05-23 FR FR806717D patent/FR806717A/fr not_active Expired
- 1936-06-23 US US86888A patent/US2112756A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB460405A (en) | 1937-01-27 |
US2112756A (en) | 1938-03-29 |
DE660599C (de) | 1938-05-31 |
CH189156A (de) | 1937-05-01 |
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