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. 07, 2021
Filed:
Apr. 12, 2019
The Board of Trustees of the University of Illinois, Urbana, IL (US);
Jeffrey S. Moore, Savoy, IL (US);
Scott R. White, Champaign, IL (US);
Nancy R. Sottos, Champaign, IL (US);
Adam M. Feinberg, Urbana, IL (US);
Christopher L. Plantz, Urbana, IL (US);
Hector Lopez-Hernandez, Urbana, IL (US);
Evan M. Lloyd, Urbana, IL (US);
The Board of Trustees of the University of Illinois, Urbana, IL (US);
Abstract
The present disclosure provides a composition of matter comprising purified cyclic poly(phthalaldehyde) (cPPA) and a plasticizer. The composition enables thermal processing and molding in bulk quantities, and is designed to degrade when contacted by an acid or exposed to a high enough temperature. Photodegradable cPPA containing a photooxidant is disclosed. Methods of making and recycling the composition of matter are also provided.