Printing film
USRE34933E · kind E · reissue
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1993 |
| Grant date | May 9, 1995 |
| Priority date | — |
| Expiry date | Oct 12, 2013 |
Classification
- Technology area (CPC —)General
Abstract
A fast drying printing film composite for use in offset lithography and similar printing applications comprising a transparent, translucent or opaque film substrate having an ink receptive essentially transparent polymeric layer on at least one side of the substrate, said ink receptive layer containing one or more polymers or copolymers, at least one of said polymers or copolymers being soluble or swellable in an aliphatic hydrocarbon solvent, said ink receptive layer having a solvent absorptivity of Isopar G of from 14% to 45% by weight with respect to the weight of the ink receptive layer, a Sheffield surface roughness value of less than 140 .[.cc of air/minute.]. .Iadd.Sheffield Units .Iaddend.and an offset dry time of less than about two hours.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.