---
title: "Kingdomway: Subsidiary obtains invention patent for \"Preparation of 6-Chloro-6-Oxocaproic Acid Ethyl Ester\""
type: "News"
locale: "zh-HK"
url: "https://longbridge.com/zh-HK/news/263959563.md"
description: "Kingdomway and its subsidiary Xiamen Kingdomway Vitamin Co., Ltd. have obtained an invention patent issued by the National Intellectual Property Administration, with the patent name \"A Continuous Preparation Device and Method for 6-Chloro-6-Oxocaproic Acid Ethyl Ester,\" patent number ZL202310830368.X, with a patent term of 20 years. This invention belongs to the field of organic synthesis and features mild conditions, high yield, environmental friendliness, and low cost. Although this patent does not significantly impact the company's operations, it contributes to technological innovation and enhances core competitiveness"
datetime: "2025-11-03T07:45:30.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/263959563.md)
  - [en](https://longbridge.com/en/news/263959563.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/263959563.md)
---

> 支持的語言: [简体中文](https://longbridge.com/zh-CN/news/263959563.md) | [English](https://longbridge.com/en/news/263959563.md)


# Kingdomway: Subsidiary obtains invention patent for "Preparation of 6-Chloro-6-Oxocaproic Acid Ethyl Ester"

Kingdomway announced that the company and its subsidiary Xiamen Kingdomway Vitamin Co., Ltd. recently received an invention patent certificate issued by the National Intellectual Property Administration. The invention is titled "A Continuous Preparation Device and Method for 6-Chloro-6-Oxodecanoic Acid Ethyl Ester," with patent number ZL202310830368.X, and the patent term is 20 years. This invention belongs to the field of organic synthesis, featuring mild conditions, high yield, efficient gas recovery, environmental friendliness, and low cost. This patent will not have a significant impact on the company's operations but is beneficial for technological innovation and enhancing core competitiveness

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