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:
Oct. 20, 2026
Filed:
Sep. 06, 2023
Applicant:
Jilin University, Changchun City, CN;
Inventors:
Assignee:
Jilin University, Changchun City, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 11/06 (2006.01);
U.S. Cl.
CPC ...
C08J 11/06 (2013.01); C08J 2325/06 (2013.01);
Abstract
Provided is a recycling method of waste polystyrene. In the recycling method, the waste polystyrene is subjected to first swelling and dissolving in water at 140° C. to 300° C. The waste polystyrene may swell and depolymerize in water at 140° C. to 300° C.; meanwhile, the waste polystyrene could self stretch and depolymerize chain segments thereof at 140° C. to 300° C. Under the dual depolymerization mechanism, the polystyrene is remodeled.
Gao, Yan. (2026). Recycling method of waste polystyrene (U.S. Patent No. 12767777). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12767777
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile