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.

Date of Patent:
Nov. 03, 2026

Filed:

Mar. 07, 2022
Applicant:

Toyobo MC Corporation, Osaka, JP;

Inventors:

Keiichi Motoi, Okayama, JP;

Daiki Yoshioka, Okayama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/32 (2006.01); B41M 1/04 (2006.01); G03F 7/00 (2006.01); G03F 7/30 (2006.01);
U.S. Cl.
CPC ...
G03F 7/32 (2013.01); B41M 1/04 (2013.01); G03F 7/00 (2013.01); G03F 7/3092 (2013.01);
Abstract

A method is disclosed for producing a recycled developer from a waste developer generated by development of a water-developable flexographic printing original plate that has a photosensitive resin layer made from a photosensitive resin composition containing a water-dispersible resin. The method includes: leaving the waste developer to stand still in a tank so as to emerge and flocculate the photosensitive resin composition dispersed in the waste developer and thus form a solid-liquid mixed phase containing a resin flocculate beneath a liquid surface of the waste developer; and discharging the solid-liquid mixed phase containing the resin flocculate from an outlet formed on a side surface of the tank and obtaining, as a recycled developer, a liquid left in the tank, characterized in that a level of the waste developer in the tank at the time of starting the discharge is higher than the lowest position of an aperture of the outlet.


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Motoi, Keiichi. (2026). Method for producing recycled developer and method for producing flexographic printing plate using same (U.S. Patent No. 12782819). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12782819

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