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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 11685582 B1

PDFFull Text
Date of Patent:
Jun. 27, 2023

Filed:

Oct. 13, 2017

Method of manufacturing of a foam-formed cellulosic fibre material, sheet and laminated packaging material

Applicant:

Tetra Laval Holdings & Finance S.a., Pully, CH;

Inventors:

Cristian Neagu, Epalinges, CH;

Katarina Jonasson, Bjärred, SE;

Assignee:

TETRA LAVAL HOLDINGS & FINANCE S.A., Pully, CH;

Attorney:

Buchanan Ingersoll & Rooney PC

Primary Examiner:

Irina S Zemel

Int. Cl.
CPC ...
B65D 65/40 (2006.01); B32B 15/085 (2006.01); B32B 7/12 (2006.01); B32B 15/20 (2006.01); B32B 27/10 (2006.01); B32B 27/32 (2006.01); B32B 29/00 (2006.01); D21H 11/20 (2006.01); D21H 21/24 (2006.01); D21H 21/56 (2006.01); D21H 27/10 (2006.01); D21H 27/36 (2006.01); D21H 27/38 (2006.01); C08J 9/35 (2006.01); B29C 44/02 (2006.01);
U.S. Cl.
CPC ...
B65D 65/40 (2013.01); B29C 44/02 (2013.01); B32B 7/12 (2013.01); B32B 15/085 (2013.01); B32B 15/20 (2013.01); B32B 27/10 (2013.01); B32B 27/327 (2013.01); B32B 29/005 (2013.01); C08J 9/35 (2013.01); D21H 11/20 (2013.01); D21H 21/24 (2013.01); D21H 21/56 (2013.01); D21H 27/10 (2013.01); D21H 27/36 (2013.01); D21H 27/38 (2013.01); B32B 2262/067 (2013.01); B32B 2270/00 (2013.01); B32B 2307/54 (2013.01); B32B 2307/72 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/748 (2013.01); B32B 2439/70 (2013.01);
Abstract

The invention relates to a method of manufacturing a new low density foam-formed cellulose material comprising dialcohol-modified celllulose, and to bulk sheets, layers, laminates or moulded articles comprising such material. Furthermore, the invention relates to a laminated packaging material comprising a layer or sheet comprising the low density cellulose material as well as to packaging containers comprising the laminated packaging material. In particular, the invention relates to packaging containers intended for liquid or semi-liquid food packaging, comprising the laminated packaging material.

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