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.)
Hilversum Cornells Johannes Dippel Klaas Jannes Keuning und Franciscus Lambertus van Wecnen Eindhoven Arnaud Cramwinckel (Niederlande)
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.)
Philips Intellectual Property and Standards GmbH
Original Assignee
Philips Patentverwaltung GmbH
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.)
Publication date
Publication of DE1075429BpublicationCriticalpatent/DE1075429B/de
Verfahren zur Herstellung aus Metall bestehender Kontraste in photographischem Material durch physikalische Entwicklung latenter Bilder in lichtempfindlich gemachten, fluessigkeitsabsorbierenden Traegern