CH634363A5 - Paper reacting to tampering using chemical agents - Google Patents

Paper reacting to tampering using chemical agents Download PDF

Info

Publication number
CH634363A5
CH634363A5 CH1067778A CH1067778A CH634363A5 CH 634363 A5 CH634363 A5 CH 634363A5 CH 1067778 A CH1067778 A CH 1067778A CH 1067778 A CH1067778 A CH 1067778A CH 634363 A5 CH634363 A5 CH 634363A5
Authority
CH
Switzerland
Prior art keywords
nitro
phenol
chosen
paper according
derivative
Prior art date
Application number
CH1067778A
Other languages
English (en)
French (fr)
Inventor
Rene Veyet
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 CH634363A5 publication Critical patent/CH634363A5/fr

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

Landscapes

  • Color Printing (AREA)
CH1067778A 1977-10-14 1978-10-13 Paper reacting to tampering using chemical agents CH634363A5 (en)

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 (1)

Publication Number Publication Date
CH634363A5 true CH634363A5 (en) 1983-01-31

Family

ID=27250781

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1067778A CH634363A5 (en) 1977-10-14 1978-10-13 Paper reacting to tampering using chemical agents

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
NL186590C (nl) 1991-01-02
DE2843309A1 (de) 1979-04-19
NL186590B (nl) 1990-08-01
IT7828723A0 (it) 1978-10-13
IT1174437B (it) 1987-07-01
DE2843309B2 (de) 1980-02-14
NL7810322A (nl) 1979-04-18

Similar Documents

Publication Publication Date Title
Sreejith et al. Squaraine dyes: a mine of molecular materials
Gurr Synthetic dyes in biology, medicine and chemistry
Archut et al. Toward photoswitchable dendritic hosts. Interaction between azobenzene-functionalized dendrimers and eosin
Naghdi et al. Phytochemicals toward green (bio) sensing
Förster Deactivation by proton transfer in the excited state
DE2747349A1 (de) Faelschungssicheres papier, seine herstellung und verwendung
Krieg et al. Detection of endogenous and immuno-bound peroxidase—the status quo in histochemistry
Iyer et al. Study of photoluminescence property on cellulosic fabric using multifunctional biomaterials riboflavin and its derivative Flavin mononucleotide
Berrie et al. Change is permanent: thoughts on the fading of cochineal-based watercolor pigments
FR2650606A1 (fr) Papier de securite infalsifiable et composition aqueuse ou organique utile, notamment pour rendre un papier infalsifiable
Wang et al. A ratiometric upconversion nanoprobe for fluorometric turn-on detection of sulfite and bisulfite
Berdnikova et al. Interaction of Crown Ether‐Annelated Styryl Dyes with Double‐Stranded DNA
Yakubovskyi et al. Boradipyrromethenecyanines
Li et al. A fluorescent turn-on sensor toward multiple heavy metal ions based on meso-anisole modified BODIPY scaffold
Santos et al. Cyanine‐Like Boronic Acid‐Derived Salicylidenehydrazone Complexes (Cy‐BASHY) for Bioimaging Applications
Razavi et al. Colorimetric/fluorometric optical chemosensors based on oxazolidine for highly selective detection of Fe3+ and Ag+ in aqueous media: Development of ionochromic security papers
Sultana et al. Phthalimide‐Based Off‐On‐Off Fluorosensor for Cascade Detection of Cyanide Ions and Picric Acid
CH634363A5 (en) Paper reacting to tampering using chemical agents
Matsue et al. Dioctadecyldimethylammonium chloride bilayer membrane vesicle-enhanced and manganese (II)-catalyzed chemiluminescence for determination of adrenaline by a flow-injection method
Prabhu et al. Unusual spectral shifts on fast violet-B and benzanilide: effect of solvents, pH and β-cyclodextin
WO2002014438A1 (en) Infrared chromophores
EP0190087A1 (fr) Papier de sécurité infalsifiable, procédé pour rendre infalsifiable un papier et composition aqueuse ou organique utile, notamment pour rendre un papier infalsifiable
Link et al. Click Chemistry Based Method for the Preparation of Maleinimide‐Type Thiol‐Reactive Labels
BE1011817A4 (fr) Support pour impression, ecriture authentifiable par la chaleur et infalsifiable par agent chimique.
KR101577693B1 (ko) 폴리 옥소가교형 프탈로시아닌 화합물, 이의 제조방법 및 이를 이용한 근적외선 흡수 및 반사 조성물

Legal Events

Date Code Title Description
PFA Name/firm changed

Owner name: GUERIMAND VOIRON

PL Patent ceased