Patent · US Expired

Photographic support materials containing coated pigment

US4665013A · kind A · utility

12Cited by

2References

13Claims

0Family size

Assignee

Felix Schoeller GmbH & Co. KG · DE

Inventors

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

Key dates

Filing date	Aug 26, 1985
Grant date	May 12, 1987
Priority date	—
Expiry date	Aug 26, 2005

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/3179
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Described is a photographic support material for black-and-white and color photographic emulsions, which support material is coated at least on one side with a layer containing a white pigment ad a binder component that predominantly includes unsaturated organic compounds and that is hardened by means of high energy radiation, while the white pigment, which is preferably a titanium oxide or titanium mixed oxide, carries an inorganic surface deposit which consists of oxides or hydrated oxides that make up at least about 2% by weight of the total pigment. The oxides and hydrated oxides include those of aluminum, silicon, zinc, magnesium, tin, zirconium, antimony or alkaline-earth metals.

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