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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10363696 B1

PDFFull Text
Date of Patent:
Jul. 30, 2019

Filed:

Aug. 21, 2015

Process for production of embossed films based on plasticized polyvinyl acetal

Applicant:

Kuraray Europe Gmbh, Hattersheim, DE;

Inventors:

Uwe Keller, Bonn, DE;

Shinichi Muguruma, Troisdorf, DE;

Detlef Hanning, Troisdorf, DE;

Jan Denis Rogall, Troisdorf, DE;

Keisuke Kishimoto, Troisdorf, DE;

Assignee:

Kuraray Europe GmbH, Hattersheim, DE;

Attorney:

Brooks Kushman P.C.

Primary Examiner:

Joseph S Del Sole

Assistant Examiner:

Lawrence D Hohenbrink, Jr

Int. Cl.
CPC ...
B29C 59/00 (2006.01); B29C 48/00 (2019.01); B29C 48/08 (2019.01); B32B 17/10 (2006.01); B29C 43/22 (2006.01); B29C 59/02 (2006.01); B29C 59/04 (2006.01); B29C 48/92 (2019.01); B29K 29/00 (2006.01); B29L 7/00 (2006.01);
U.S. Cl.
CPC ...
B29C 48/002 (2019.02); B29C 43/222 (2013.01); B29C 48/022 (2019.02); B29C 48/08 (2019.02); B29C 48/92 (2019.02); B29C 59/005 (2013.01); B29C 59/022 (2013.01); B29C 59/04 (2013.01); B32B 17/10587 (2013.01); B32B 17/10596 (2013.01); B32B 17/10761 (2013.01); B29C 59/043 (2013.01); B29C 2059/023 (2013.01); B29C 2948/9278 (2019.02); B29C 2948/92514 (2019.02); B29C 2948/92704 (2019.02); B29C 2948/92904 (2019.02); B29C 2948/92923 (2019.02); B29C 2948/92942 (2019.02); B29K 2029/14 (2013.01); B29L 2007/008 (2013.01); B32B 17/10577 (2013.01);
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

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