| Patent Number |
Title Of Patent |
Date Issued |
| 5484684 |
Photochemical or mechanical production of flexible printing plates |
January 16, 1996 |
| Flexible printing plates are produced from printing plates consisting essentially of a dimensionally stable substrate (1) and a recording layer (2) by a process in which the printing plate is produced alternatively either by photochemical or by mechanical structuring, and in the case of |
| 5460920 |
Photochemical or mechanical production of flexible printing plates |
October 24, 1995 |
| Flexible printing plates are produced from printing plates consisting essentially of a dimensionally stable substrate (1) and a recording layer (2) by a process in which the printing plate is produced alternatively either by photochemical or by mechanical structuring, and in the case of |
| 5176986 |
Liquid cleaner composition for removing polymeric materials from a surface |
January 5, 1993 |
| A new liquid cleaner composition is provided for the mild and gentle removal of polymeric materials from sufaces without leaving any residues. The said new cleaner composition is an emulsion of the water-in-oil type comprising an aqueous phase finely dispersed in a continuous phase s |
| 5061606 |
Preparation of relief printing plates |
October 29, 1991 |
| The present invention relates to an improved process for preparing a photopolymerized flexographic relief printing plate or a photoresist from a photosensitive element comprising a photopolymerizable layer consisting essentially of(A) at least one polymer as the binder,(B) at least one p |
| 4871631 |
Adhesively securable multilayer relief plate for flexographic printing |
October 3, 1989 |
| A flexographic printing relief-plate, which has a relief layer (P), an interlayer (Z) and a base layer (U), is provided with a double-sided adhesive sheet (W). The double-sided adhesive sheet (W) transmits actinic light and is firmly bonded to the base layer (U) on one side. On the o |
| 4828641 |
Joining the cut edges of photopolymerized flexographic printing plates |
May 9, 1989 |
| A method of joining the edges of flexographic printing plates on printing cylinders, which includes the following steps:(i) fixing the printing plates to make-ready cylinders by means of a first double-sided self-adhesive film having the same area as the printing plate,(ii) cutting the p |
| 4599293 |
Toner transfer process for transferring and fixing a toner image by means of film |
July 8, 1986 |
| To transfer a toner image from a toner-treated surface, a toner transfer film is employed, which comprises a transparent base carrying a transparent layer which is capable of picking up toner and has a temporary slight surface tack, the layer consisting of a mixture containing a poly |
| 4497081 |
Apparatus for treating printing plates |
February 5, 1985 |
| A printing plate produced by a photochemical process is treated using an apparatus in which one or more flat washout elements are arranged facing the exposed side of the plate passing through the apparatus, these washout elements moving to and fro at right angles to the direction of tran |
| 4144073 |
Photopolymerizable composition for the manufacture of relief printing plates |
March 13, 1979 |
| Photopolymerizable compositions for the manufacture of relief printing plates, especially relief plates for making mats, comprising an alcohol-soluble linear polyamide, a photoinitiator and a mixture of (a) a diether or triether obtained from 1 mole of an aliphatic diol or triol and |
