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.)
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
C09D11/00—Inks
C09D11/50—Sympathetic, colour changing or similar inks
Landscapes
Chemical & Material Sciences
(AREA)
Life Sciences & Earth Sciences
(AREA)
Engineering & Computer Science
(AREA)
Materials Engineering
(AREA)
Wood Science & Technology
(AREA)
Organic Chemistry
(AREA)
Preparation Of Fruits And Vegetables
(AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.
Claims (1)
Patent-Anspruch:Patent claim:Verfahren zur Herstellung einer durch Erwärmen des beschriebenen Papiers sichtbar
werdenden und unverlöschlichen Tinte, darin bestehend, dafs man 100 g Alaun in Wasser
auflöst und kocht und dieser kochenden Flüssigkeit dann 100 g weifsen Knoblauchsaft
zusetzt, die so gewonnene Lösung nach einmaligem Aufkochen erkalten läfst und auf 15 g
der Lösung 15 bis 20 Tropfen Schwefelsäure zusetzt.Process for making a visible by heating the written paper
nascent and indelible ink, consisting in adding 100 g of alum to water
dissolves and boils and this boiling liquid then 100 g white garlic juice
adds, the solution obtained in this way cools down after boiling once and increases to 15 g
15 to 20 drops of sulfuric acid are added to the solution.
Device for applying dye, mottling solution or color-producing chemicals in paper machines for the production of one-sided colored, cloud-like colored and marbled papers.