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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RAZON SOCIAL GUENTHER WAGNER
Original Assignee
RAZON SOCIAL GUENTHER WAGNER
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 by RAZON SOCIAL GUENTHER WAGNERfiledCriticalRAZON SOCIAL GUENTHER WAGNER
Priority to ES0209148ApriorityCriticalpatent/ES209148A2/en
Publication of ES209148A2publicationCriticalpatent/ES209148A2/en
Improvements in the manufacture of carbon paper according to the main patent, characterized in that the tissue paper used as a base is covered not only by the front but also by the back with layers containing opaque pigments and a binder, the pigments of the layer of the obverse with preference blacks whereas the pigments of the reverse layer are of another color. (Machine-translation by Google Translate, not legally binding)
ES0209148A1953-04-281953-04-28Improvements in the manufacture of carbon paper (Machine-translation by Google Translate, not legally binding)
ExpiredES209148A2
(en)
A procedure for the obtaining of shades with different tones of the same ink and with different colors (Machine-translation by Google Translate, not legally binding)