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.:
Date of Patent:
Sep. 19, 2023
Filed:
Jun. 01, 2021
Applicant:
Viskase Companies, Inc., Lombard, IL (US);
Inventors:
Myron D. Nicholson, Lombard, IL (US);
Dmytro Shoshyn, Lombard, IL (US);
Assignee:
VISKASE COMPANIES INC., Lombard, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
A22C 13/00 (2006.01); A23B 4/048 (2006.01); B32B 1/08 (2006.01); B32B 5/18 (2006.01); B32B 5/32 (2006.01); B32B 7/12 (2006.01); B32B 27/06 (2006.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B32B 27/34 (2006.01); B65B 9/10 (2006.01); B32B 1/00 (2006.01);
U.S. Cl.
CPC ...
A22C 13/00 (2013.01); A23B 4/048 (2013.01); B32B 1/00 (2013.01); B32B 5/18 (2013.01); B32B 5/32 (2013.01); B32B 7/12 (2013.01); B32B 27/065 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/34 (2013.01); B65B 9/10 (2013.01); A22C 2013/002 (2013.01); A22C 2013/0046 (2013.01); A22C 2013/0053 (2013.01); A22C 2013/0059 (2013.01); A22C 2013/0063 (2013.01); A22C 2013/0089 (2013.01); A23V 2002/00 (2013.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2266/025 (2013.01); B32B 2266/06 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/54 (2013.01); B32B 2307/72 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01); B32B 2307/736 (2013.01); B32B 2439/70 (2013.01);
Abstract
The present invention relates to a multilayer film, especially to a multilayer thermoplastic film, which may be used for food packaging, wherein the multilayer film according to the present invention may be provided, on its inner side, with a food additive, particularly with a flavoring and/or coloring and/or an aroma producing food additive (such as e.g. a liquid smoke), which food additive is then released and transferred onto the surface of a foodstuff encased in the multilayer film during cooking and/or processing of the foodstuff.