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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.:

US 11938658 B1

PDFFull Text
Date of Patent:
Mar. 26, 2024

Filed:

Mar. 08, 2023

Multi-functional freestanding thin films produced using plastic waste and methods thereof

Applicant:

King Faisal University, Al-Ahsa, SA;

Inventors:

Junaid Saleem, Al-Ahsa, SA;

Safdar Hossain Sk, Al-Ahsa, SA;

Zubair Khalid Baig Moghal, Al-Ahsa, SA;

Gordon McKay, Al-Ahsa, SA;

Assignee:

KING FAISAL UNIVERSITY, Al-Ahsa, SA;

Attorneys:

Nath, Goldberg & Meyer

Richard C. Litman

Primary Examiner:

Gregory Listvoyb

Int. Cl.
CPC ...
B29C 49/00 (2006.01); B29C 41/00 (2006.01); B29C 41/08 (2006.01); B29K 105/04 (2006.01); B29K 105/26 (2006.01);
U.S. Cl.
CPC ...
B29C 41/085 (2013.01); B29C 41/003 (2013.01); B29K 2105/041 (2013.01); B29K 2105/26 (2013.01);
Abstract

Freestanding microporous thin films, made using plastic waste, can be used as a hydrophobic coating, filtration membranes, or oil-sorbents. A method for producing the microporous thin film involves dissolving the plastic in an organic solvent to obtain a solution; and applying the solution onto a solid substrate through spin-coating followed by controlled heating, resulting in a freestanding porous thin film. Plastic waste comprises recycled polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), or polystyrene (PS), recovered from a waste plastic material derived from post-consumer and/or industrial waste. The approach of fabricating multi-functional thin films from plastic waste combines an effective way to address multiple environmental issues simultaneously.

Find Patent Forward Citations

Saleem, Junaid. (2024). Multi-functional freestanding thin films produced using plastic waste and methods thereof (U.S. Patent No. 11938658). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11938658

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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