NL7810322A - Op vervalsingen door chemische middelen reagerend pa- pier. - Google Patents

Op vervalsingen door chemische middelen reagerend pa- pier.

Info

Publication number
NL7810322A
NL7810322A NL7810322A NL7810322A NL7810322A NL 7810322 A NL7810322 A NL 7810322A NL 7810322 A NL7810322 A NL 7810322A NL 7810322 A NL7810322 A NL 7810322A NL 7810322 A NL7810322 A NL 7810322A
Authority
NL
Netherlands
Prior art keywords
fake
chemicals
responsible
paper
responsible paper
Prior art date
Application number
NL7810322A
Other languages
English (en)
Other versions
NL186590C (nl
NL186590B (nl
Original Assignee
Voiron Papeteries
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.)
Filing date
Publication date
Priority claimed from FR7731671A external-priority patent/FR2406027A1/fr
Priority claimed from FR7819244A external-priority patent/FR2427426A1/fr
Priority claimed from FR7823652A external-priority patent/FR2432576A2/fr
Application filed by Voiron Papeteries filed Critical Voiron Papeteries
Publication of NL7810322A publication Critical patent/NL7810322A/nl
Publication of NL186590B publication Critical patent/NL186590B/nl
Application granted granted Critical
Publication of NL186590C publication Critical patent/NL186590C/nl

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
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
NLAANVRAGE7810322,A 1977-10-14 1978-10-13 Veiligheidspapier met vervalsingsindicator. NL186590C (nl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR7731671A FR2406027A1 (fr) 1977-10-14 1977-10-14 Papier reagissant a la falsification par agents chimiques et son procede de fabrication
FR7819244A FR2427426A1 (fr) 1978-06-02 1978-06-02 Papier reagissant a la falsification par agents chimiques
FR7823652A FR2432576A2 (fr) 1978-08-02 1978-08-02 Papier reagissant a la falsification par agents chimiques

Publications (3)

Publication Number Publication Date
NL7810322A true NL7810322A (nl) 1979-04-18
NL186590B NL186590B (nl) 1990-08-01
NL186590C NL186590C (nl) 1991-01-02

Family

ID=27250781

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7810322,A NL186590C (nl) 1977-10-14 1978-10-13 Veiligheidspapier met vervalsingsindicator.

Country Status (4)

Country Link
CH (1) CH634363A5 (nl)
DE (1) DE2843309B2 (nl)
IT (1) IT1174437B (nl)
NL (1) NL186590C (nl)

Also Published As

Publication number Publication date
IT7828723A0 (it) 1978-10-13
DE2843309B2 (de) 1980-02-14
NL186590C (nl) 1991-01-02
CH634363A5 (en) 1983-01-31
IT1174437B (it) 1987-07-01
NL186590B (nl) 1990-08-01
DE2843309A1 (de) 1979-04-19

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: VOIRON S.A. GUERIMAND -

BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 19980501