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:
Nov. 22, 2022
Filed:
Sep. 11, 2020
Woods Hole Oceanographic Institution, Woods Hole, MA (US);
Anna Pauline Miranda Michel, Falmouth, MA (US);
Beckett Colson, Falmouth, MA (US);
Woods Hole Oceanographic Institution, Woods Hole, MA (US);
Abstract
A system for the differentiation of plastic and non-plastic particles in suspension in a liquid, and the method of use thereof. The system having a channel for constraining and presenting the liquid to a detector, the detector having at least one transmit electrode for emitting electrical current to at least one receive electrode. Circuitry provides the current input and received electrical signals measurement capacities. Particles passing the receive electrodes alter the received electrical current according to the particle's dielectric properties, the circuitry records the received signals and discerns a particle's nature, most often plastic from non-plastic, from the differential signal of these received signals as a function of frequency.