Molded article and hollow tube
US-2022145127-A1 · May 12, 2022 · US
Resin composition quality controlling method, cable and tube quality controlling method, determination device, inspection system, cable, and tube
US12372471B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12372471-B2 |
| Application number | US-202217896236-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 26, 2022 |
| Priority date | Aug 27, 2021 |
| Publication date | Jul 29, 2025 |
| Grant date | Jul 29, 2025 |
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Abstract
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A resin composition quality controlling method includes a step of measuring a Raman spectrum of a resin composition composed of first TiO 2 particles of anatase type TiO 2 and second TiO 2 particles of rutile type TiO 2 by irradiation with laser, and determining a concentration ratio of the first TiO 2 particles to the second TiO 2 particles in the resin composition based on an intensity of a first peak assigned to lattice vibration in the anatase type TiO 2 and an intensity of a second peak assigned to lattice vibration in the rutile type TiO 2 in the Raman spectrum.
First claim
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The invention claimed is: 1. A resin composition quality controlling method for determining a concentration ratio of anatase type TiO 2 particles and rutile type TiO 2 particles in a resin composition by using a Raman measurement device that includes a probe portion that emits laser light and a computer for measuring, storing, and comparing Raman spectrum peaks, comprising: measuring a Raman spectrum of the resin composition comprising first TiO 2 particles comprising anatase t…
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- What does patent US12372471B2 cover?
- A resin composition quality controlling method includes a step of measuring a Raman spectrum of a resin composition composed of first TiO 2 particles of anatase type TiO 2 and second TiO 2 particles of rutile type TiO 2 by irradiation with laser, and determining a concentration ratio of the first TiO 2 particles to the second TiO 2 particles in the resin composition based on an intensity …
- Who is the assignee on this patent?
- Hitachi Metals Ltd, Proterial Ltd
- What technology area does this patent fall under?
- Primary CPC classification C08K3/22. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jul 29 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).