Patent ID: 7122240
Filing Date: 2006-10-17
Classification: B29C,B29K,B32B,Y10S,Y10T

Abstract:
1. A multilayer, transparent, biaxially oriented polyester film made from at least one base layer (B) which comprises at least 80% by weight of thermoplastic polyester, and from, applied to this base layer (B), at least one transparent, polyester high-gloss outer layer (A), wherein the transparent outer layer (A) also comprises an amount in the range from 0.05 to 0.5% by weight, based on the total weight of the outer layer (A), of a single pigment system which has the following features: a) the median grain diameter (d b) the spread of the distribution of the grain size, expressed by the SPAN 98, is less than or equal to 1.9, wherein said film is a packaging film exhibiting an average surface roughness, R