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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 11225591 B1

PDFFull Text
Date of Patent:
Jan. 18, 2022

Filed:

Jul. 11, 2017

Method for producing a single-sided adhesive film and single-sided adhesive film

Applicants:

Lohmann Gmbh & Co. KG, Neuwied, DE;

Logis Ag, Heldenstein, DE;

Logis Technologies Gmbh, Heldenstein, DE;

Inventors:

Thomas Fogel, Oberraden, DE;

Christoph Frieb, Eltmann, DE;

Martin Haag, Munich, DE;

Assignees:

Lohmann GmbH & Co. KG, Neuwied, DE;

LOGIS AG, Heldenstein, DE;

LOGIS TECHNOLOGIES GMBH, Heldenstein, DE;

Attorney:

Bookoff McAndrews, PLLC

Primary Examiner:

Kelly M Gambetta

Int. Cl.
CPC ...
C09J 7/29 (2018.01); B05D 1/02 (2006.01); C09J 7/35 (2018.01); C09J 7/38 (2018.01); C09J 7/32 (2018.01); B32B 7/06 (2019.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/36 (2006.01);
U.S. Cl.
CPC ...
C09J 7/29 (2018.01); B05D 1/02 (2013.01); B32B 7/06 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/36 (2013.01); C09J 7/32 (2018.01); C09J 7/35 (2018.01); C09J 7/38 (2018.01); C09J 7/383 (2018.01); C09J 7/385 (2018.01); B05D 2350/00 (2013.01); B32B 2250/03 (2013.01); B32B 2250/04 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2405/00 (2013.01); C09J 2421/00 (2013.01); C09J 2433/00 (2013.01); C09J 2463/006 (2013.01); C09J 2467/006 (2013.01); C09J 2475/006 (2013.01); C09J 2483/00 (2013.01);
Abstract

The invention relates to a method for producing a single-sided adhesive film (). Said method consists of providing a support layer () and coating a first side of the support layer () with an adhesive film (), a lubricant coating () is applied to a second side of the support layer (), the support layer () being in the form of a polyester film. Said method is characterised in that the polyester film, prior to bonding to the adhesive layer (), and the lubricant coating () is treated with trichloroacetic acid, sodium persulphate, iron chloride or copper chloride in order to increase the surface energy of the polyester film. The invention also relates to a one-sided adhesive film () produced according to the above-mentioned method.

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