Patent ID: 6482975
Filing Date: 2002-11-19
Classification: C07C,G03C

Abstract:
A photographic element comprising a substrate and a coating on the substrate, characterised in that the coating contains a compound of the general formula in which R is an alkyl group with 10-20 carbon atoms, an alkenyl group with 10-20 carbon atoms or a fluoroalkyl or fluoroalkenyl group with f carbon atoms that each bear at least one fluorine atom and g carbon atoms that bear only hydrogen atoms, in which 1.5 f+g=10-20 and g may optionally be zero, Râ€² is an alkyl group with 1 to 4 carbon atoms, L is a linking group, a linking atom or a chemical bond, and p is at least 2, q is at least 2 and p+q=from 4 to 100.