FR769012A - Process for the manufacture of valuable papers - Google Patents

Process for the manufacture of valuable papers

Info

Publication number
FR769012A
FR769012A FR769012DA FR769012A FR 769012 A FR769012 A FR 769012A FR 769012D A FR769012D A FR 769012DA FR 769012 A FR769012 A FR 769012A
Authority
FR
France
Prior art keywords
manufacture
valuable papers
papers
valuable
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
Application number
Other languages
French (fr)
Inventor
Augustin Mache
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
Application filed filed Critical
Application granted granted Critical
Publication of FR769012A publication Critical patent/FR769012A/en
Expired legal-status Critical Current

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
FR769012D 1933-05-03 1933-05-03 Process for the manufacture of valuable papers Expired FR769012A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR769012T 1933-05-03

Publications (1)

Publication Number Publication Date
FR769012A true FR769012A (en) 1934-08-17

Family

ID=9184519

Family Applications (1)

Application Number Title Priority Date Filing Date
FR769012D Expired FR769012A (en) 1933-05-03 1933-05-03 Process for the manufacture of valuable papers

Country Status (1)

Country Link
FR (1) FR769012A (en)

Similar Documents

Publication Publication Date Title
FR783940A (en) Fractionation process
FR819627A (en) Diazotype process
FR778836A (en) Machine for the manufacture of lamp bases
FR769012A (en) Process for the manufacture of valuable papers
FR782335A (en) Riveting process
FR769404A (en) Production process for halohydrins
FR768101A (en) Process for the production of 1-amino-2.3-dimethylanthraquinone
FR817341A (en) Process for the production of films
FR815047A (en) Folding process
FR807979A (en) Process for the production of plaster bands
FR43506E (en) Process for the manufacture of light bicycles
FR781017A (en) Process for the manufacture of diaminoalcohols of the aromatic series
FR822462A (en) Process for producing solid dyes
FR43914E (en) Process for the production of tanning substances
FR794670A (en) Tissue paper manufacturing process
FR776597A (en) Process for producing orthochromatic emulsions
FR815906A (en) Construction process
FR761013A (en) Process for the manufacture of briquettes
FR772394A (en) Differential flotation process
FR772364A (en) Stretch press for the manufacture of tubes
FR832893A (en) Process for the manufacture of sheet sinapisms
FR760583A (en) Radio-beaconing process
BE388669A (en) Sensitive papers manufacturing process
FR773028A (en) Acoustic beaconing process
FR770179A (en) Improvement of a process for the production of formaldehyde from methane