Fluorescent resin composition, molded object and medical device, and method for producing fluorescent resin composition
US11365279B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 13, 2017 |
| Grant date | Jun 21, 2022 |
| Priority date | — |
| Expiry date | Mar 28, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2203/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A fluorescent resin composition including a urethane resin which is a polymer having at least a polyol compound (A), a polyisocyanate compound (B) and a chain-extending compound (C) as structural units, and a fluorescent dye that emits fluorescence by undergoing irradiation with near infrared light within a wavelength region of 700 nm to 1300 nm, the polyol compound (A) being an aliphatic polycarbonate diol (A1). In addition, a molded object made of the above-described fluorescent resin composition, and also a medical device including the molded object. Examples of the medical device can include a wire for detecting the position of a lymph vessel that includes the molded object made of the fluorescent resin composition as a fluorescent marker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.