Patent · US Expired

Water-resistant photographic paper support

US4844777A · kind A · utility

3Cited by

7References

13Claims

0Family size

Assignee

Felix Schoeller GmbH & Co. KG · DE

Inventors

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

Key dates

Filing date	Aug 25, 1986
Grant date	Jul 4, 1989
Priority date	—
Expiry date	Aug 25, 2006

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H23/50
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

There is described a water-resistant paper support for photographic layers with at least one coating hardened by electron beams, in which the base paper of the paper support contains at least one aluminum compound in a quantity, relative to the aluminum ion, of 1 to 12 kg/t of cellulose, preferably 3 to 6 kg/t of cellulose, and with a pH-value of the paper stuff of the base paper between 5 and 8.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.