| Patent Number |
Title Of Patent |
Date Issued |
| 6703475 |
Method for the continuous production of copolyamides based on a lactam (I), a diamine (II) and a |
March 9, 2004 |
| A process for continuous production of copolyamides based on a lactam (I), a diamine (II) and a dicarboxylic acid (III) comprises reacting a mixture (IV) comprising a diamine (II), a dicarboxylic acid (III) and water in a first reaction zone at a pressure in the range from 1.3*10.sup. |
| 6455612 |
Apparatus and method for direct injection of additives into a polymer melt stream |
September 24, 2002 |
| This invention provides an apparatus and method for injecting an additive directly into a polymer melt stream. The method comprises supplying a melt flow of a polymeric host material to a die assembly having a thin-plate assembly and injecting at least one additive into at least one |
| 6391239 |
Methods of making multiphase elongate polymeric extrudates by directing additives into a cross-s |
May 21, 2002 |
| This invention provides an apparatus and method for injecting an additive directly into a polymer melt stream. The method comprises supplying a melt flow of a polymeric host material to a die assembly having a thin-plate assembly and injecting at least one additive into at least one |
| 6289928 |
Apparatus and method for direct injection of additives into a polymer melt stream |
September 18, 2001 |
| This invention provides an apparatus and method for injecting an additive directly into a polymer melt stream. The method comprises supplying a melt flow of a polymeric host material to a die assembly having a thin-plate assembly and injecting at least one additive into at least one |
| 6254949 |
Thermoplastic shaped bodies with segments of varying rigidity |
July 3, 2001 |
| The shaped article consists ofa) from 5 to 95% by weight of a molding composition A made from at least one thermoplastic polyamide, copolyamide or blends of these as component A1, fillers and/or reinforcing materials, if desired, as component A2, impact modifiers as component A3 and othe |
| 6187877 |
Process for producing a polyamide based on a dicarboxylic acid and a diamine |
February 13, 2001 |
| A polymer based on a dicarboxylic acid and a diamine is prepared by polycondensation in an extruder, by(a) heating a mixture of a dicarboxylic acid having from 4 to 12 carbon atoms and a diamine having from 4 to 12 carbon atoms, which mixture is solid at room temperature and has a residu |
| 5986006 |
Use of polymethacrylic acids as branching agents |
November 16, 1999 |
| Homo- or copolymers A composed ofA.sub.1) 40-100% by weight of monomers of the general formula I ##STR1## A.sub.2) 0-60% by weight of monomers of the general formula II ##STR2## and A.sub.3) 0-10% by weight of further monomers capable of free radical polymerization,the percentag |
| 5959069 |
H-shaped polyamides |
September 28, 1999 |
| Polyamides are built up from, as fundamental building blocks (a), lactams or aminocarboxylic acids or mixtures of these,as fundamental building blocks (b), from 1 to 50 .mu.mol of at least tribasic amines or carboxylic acids per gram of polyamide,as fundamental building blocks (c), dibasic c |
| 5596070 |
High molecular weight polyamides obtained from nitriles |
January 21, 1997 |
| High molecular weight polyamides are prepared by(a) polymerizing monomers selected from the group consisting of aminonitriles of the formula I and mixtures of diamines of the formula II with dinitriles of the formula III where m, n and p are integers from two to twelve, in a molar diamine/di |
| 5468530 |
PPE/PA molding materials for the production of moldings by means of blow molding, profile extrus |
November 21, 1995 |
| High molecular weight thermoplastic molding materials are obtainable by mixingA) 20-80% by weight of a polyphenylene ether andB) 0-70% by weight of conventional additives and processing assistantsinto a melt ofc) 10-80% by weight of a low molecular weight polyamide having a viscosity number |
