Patent · US Active

Process for production of embossed films based on plasticized polyvinyl acetal

US10363696B2 · kind B2 · utility

2Cited by

6References

12Claims

0Family size

Assignee

Kuraray Europe GmbH · DE

Inventors

Uwe Keller · Avon, FR
Shinichi MUGURUMA · Troisdorf, DE
Detlef Hanning · Troisdorf, DE
Jan Denis Rogall · Troisdorf, DE
Keisuke Kishimoto · Yokohama, JP

Key dates

Filing date	Aug 21, 2015
Grant date	Jul 30, 2019
Priority date	—
Expiry date	Apr 25, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB32B17/10577
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Polyvinyl acetal films with less blocking tendency and which allow for escape of gas during laminating to form laminated composities are prepared by a process for embossing a film comprising plasticized polyvinyl acetal with a roughness Rz on at least one surfaces of 20 to 100 μm by the steps of

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.