Waterproof photographic paper and method of producing same

US4364971A · kind A · utility

Assignee

• Felix Schoeller GmbH & Co. KG · DE

Inventors

• Wieland Sack · Bissendorf, DE
• Reiner Anthonsen · Bramsche, DE
• Ferenc Kertesz · Bissendorf, DE

Key dates

• Filing date: Jun 12, 1981
• Grant date: Dec 21, 1982
• Expiry date: Jun 12, 2001

Classification

• Technology area (CPC G): Physics
• CPC primary: G03C1/79
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A method for producing a waterproof paper support having a photographic emulsion which is characterized by a highly plane surface which includes the steps of coating one side of the paper with a pigmented resin hardenable by radiation, pressing the resin surface against a highly polished surface such as the surface of a chrome-plated drum and then separating the hardened product from the polished surface.