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:
Jul. 09, 2019
Filed:
Sep. 14, 2015
Applicants:
Anthony Francis Johnson, Ilkley, GB;
Stephen Sik Fan Wong, Bradford, GB;
Inventors:
Anthony Francis Johnson, Ilkley, GB;
Stephen Sik Fan Wong, Bradford, GB;
Assignee:
Aquapak Polymers Limited, Birmingham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/053 (2006.01); C08J 11/08 (2006.01);
U.S. Cl.
CPC ...
C08J 11/08 (2013.01); C08K 5/053 (2013.01); C08J 2300/16 (2013.01); C08J 2329/04 (2013.01); C08L 2205/025 (2013.01); C08L 2207/20 (2013.01); Y02W 30/701 (2015.05);
Abstract
A biodegradable material is capable of recovery and recycling by dissolution in water at a temperature 40° C. or higher. The material is insoluble in water at 25° C. The material includes one or both of virgin or scrap polyvinyl alcohol material resultant from manufacture of an article composed of polyvinyl alcohol, or a waste stream containing polyvinyl alcohol material.