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. 01, 2015
Filed:
Jun. 09, 2008
Applicant:
Edward George Howard, Jr., Hockessin, DE (US);
Inventor:
Edward George Howard, Jr., Hockessin, DE (US);
Assignee:
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01K 1/015 (2006.01); A41D 13/00 (2006.01); C08B 37/08 (2006.01); B32B 33/00 (2006.01); B32B 5/26 (2006.01); B32B 9/02 (2006.01); B32B 27/06 (2006.01); C08J 5/18 (2006.01); B32B 37/12 (2006.01); C08K 5/053 (2006.01);
U.S. Cl.
CPC ...
B32B 33/00 (2013.01); B32B 5/26 (2015.04); B32B 9/02 (2013.01); B32B 27/06 (2013.01); C08J 5/18 (2013.01); B32B 37/12 (2013.01); B32B 37/1292 (2013.01); B32B 2307/7145 (2013.01); C08J 2305/08 (2013.01); C08K 5/053 (2013.01); Y10T 156/10 (2015.01);
Abstract
Chitosan films that have been treated with a polyhydroxyalkyl compound and washed, and laminates made from the films are provided. This treatment lessens the film shrinkage. The films and laminates can be used to make a variety of finished articles that can be used to provide protection from hazardous chemical and biological agents.