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.

Date of Patent:
Nov. 17, 2020

Filed:

May. 14, 2015
Applicant:

Bioastra Technologies, Inc., Montréal, CA;

Inventors:

Sumitra Rajagopalan, Montreal, CA;

Wilms Baille, Laval, CA;

Piotr Kujawa, Montreal, CA;

Abhilash Kulkarni, Boucherville, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 27/10 (2006.01); D21H 19/56 (2006.01); D21H 19/66 (2006.01); D21H 19/82 (2006.01); D21H 19/58 (2006.01); D21H 19/40 (2006.01); D21H 19/54 (2006.01); D21H 19/52 (2006.01);
U.S. Cl.
CPC ...
D21H 27/10 (2013.01); D21H 19/40 (2013.01); D21H 19/52 (2013.01); D21H 19/54 (2013.01); D21H 19/56 (2013.01); D21H 19/58 (2013.01); D21H 19/66 (2013.01); D21H 19/82 (2013.01);
Abstract

There are provided thermoregulatory coatings for paper comprising a nano structured phase change material (PCM) and a protective layer, the PCM including a first agent that undergoes an endothermic phase transition at a desired temperature and a second agent that assists in maintaining a nano structure, and the protective layer providing a basecoat, a top-coat, or both. There are also provided coated papers and articles comprising such coatings, and methods for preparation thereof. Coated papers and articles provided herein have a wide range of application, for example in packaging or transport of temperature-sensitive materials.


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