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:
Aug. 19, 2025
Filed:
Apr. 23, 2021
Rimtec Corporation, Tokyo, JP;
Naoki Fukumoto, Tokyo, JP;
Nobuhito Kamei, Tokyo, JP;
RIMTEC CORPORATION, Tokyo, JP;
Abstract
A mixing headwhich mixes a first preparative liquid formulation containing a norbornene-based monomer with a second preparative liquid formulation containing a metathesis polymerization catalyst includes a casing, a cap, and a mixing rotor. A plurality of protrusionsincludes first protrusionshaving a width in the axial direction of the mixing rotorlarger than that in the circumferential direction, and second protrusionshaving a width in the axial direction of the mixing rotorsmaller than that in the circumferential direction. First and second protrusion rowsandare alternately arranged, the first protrusion rowsbeing formed of the first protrusionsaligned at a predetermined interval, the second protrusion rowsbeing formed of the second protrusionsaligned at a predetermined interval.