| Patent Number |
Title Of Patent |
Date Issued |
| 6359042 |
Polycarbonate moulding compounds and their use as layers in coextruded sheets |
March 19, 2002 |
| A polycarbonate molding composition containing a UV absorber and two types of mold release agents is disclosed. The composition is suitable for use as coating or external layer on coextruded sheets. |
| 5856012 |
Process for the production of multilayer plastic sheets |
January 5, 1999 |
| The invention relates to a process for the production of multilayer plastic sheets from special branched polycarbonates. |
| 5852138 |
Stabilizer mixtures and their use in polycarbonates |
December 22, 1998 |
| The invention provides stabilizer mixtures comprising phosphines, silicon compound and optionally silicon-free oxetane compounds and/or silicon-free epoxide compounds and their use for stabilizing thermoplastic aromatic polycarbonates. |
| 5846659 |
UV-protected, multilayer polycarbonate sheets |
December 8, 1998 |
| The present invention relates to UV-protected, multilayer polycarbonate sheets containing a base sheet, at least one outer layer and optionally at least one additional protective layer, and to the production of the polycarbonate sheets according to the invention by coextrusion. |
| 5726228 |
Use of carbonates as demoulding agents for thermoplastic polycarbonates |
March 10, 1998 |
| The present invention relates to the use of cyclic carbonates as demoulding agents for thermoplastic polycarbonates, and to the incorporation of these cyclic carbonates into the thermoplastic polycarbonates. |
| 5627256 |
Polycarbonates containing aryl phosphines |
May 6, 1997 |
| The present invention relates to thermoplastic aromatic polycarbonates having a content of special aryl phosphines, to their preparation, and to their use in the light engineering sector and in optics. |
| 5545710 |
Use of special polycarbonates for the production of optical articles |
August 13, 1996 |
| The present invention provides the use of polycarbonates containing carbonate structural units of the formula (I), ##STR1## for the production of optical articles, novel polycarbonates, which contain the structural units (I), together with a process for the production of these no |
| 4732949 |
Polydiorganosiloxane/polycarbonate block copolymers |
March 22, 1988 |
| The present invention relates to the preparation of thermoplastic poly-(diorganosiloxane)/polycarbonate block copolymers containing monoalkylphenyl or dialkylphenyl end groups by the phase boundary process, and to the block copolymers which can be obtained by the process. |
| 4600632 |
UV-stabilized polycarbonate mouldings |
July 15, 1986 |
| The present invention relates to thin-walled UV-stabilized polycarbonate mouldings, especially webbed laminate panels and films, made of polydiorganosiloxane/polycarbonate block copolymers. |
| 4588807 |
Benzylidenemalonic or vinylogous benzylidenemalonic acid polyesters, their preparation and their |
May 13, 1986 |
| The present invention relates to new benzylidenemalonic or vinylogous benzylidenemalonic acid polyesters containing structural units of the formula (I) ##STR1## their preparation and their use for the UV stabilization of thermoplastics, preferably thermoplastic, aromatic polycarb |
| 4110555 |
Circuit arrangement for identification and addressing |
August 29, 1978 |
| To connect one out of a plurality of peripheral units to a data bus, each unit is connected to two wires of an address matrix. When a unit wants to connect itself to the data bus, it applies a starting voltage to both wires. The central unit then searches in both matrix coordinates for t |
