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Fritz Hellige und Co GmbH
Original Assignee
Fritz Hellige und Co GmbH
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Filing date
Publication date
Application filed by Fritz Hellige und Co GmbHfiledCriticalFritz Hellige und Co GmbH
Publication of GB834184ApublicationCriticalpatent/GB834184A/en
B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
B41M5/00—Duplicating or marking methods; Sheet materials for use therein
B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
B41M5/36—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using a polymeric layer, which may be particulate and which is deformed or structurally changed with modification of its' properties, e.g. of its' optical hydrophobic-hydrophilic, solubility or permeability properties
Landscapes
Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
Heat Sensitive Colour Forming Recording
(AREA)
Thermal Transfer Or Thermal Recording In General
(AREA)
GB23569/58A1957-08-081958-07-22Method of producing heat-sensitive recording papers
ExpiredGB834184A
(en)
Verfahren zur Herstellung eines Naphthochinondiazidsulfosäureesters und Verwendung eines solchen Esters zur Herstellung eines lagerfähigen lichtempfindlichen Materials
N-heterocyclische derivaten van 1.4-methano- en 1.4-ethano- 1.4-dihydro- en 1.2.3.4-tetrahy- dronafthyloxy alifatische alcoholen en werk- wijze ter bereiding ervan.
Process forthe preparation of some derivatives of dialkyldithio-phosphoric acids witha double amide function inthe molecule and disinfesting compositions prepared from said compounds