Long Chen

This inventor holds 14 USPTO granted patents, plus 5 CIPO patents and 2 EPO patents. Top assignees: Dongjiang Environmental Co., Ltd., Guangdong Deerma Technology Co., Ltd., Guangzhou Gtd Lighting Technology Co., Ltd.. Active years: 2019-2025.

USPTO Granted Patents = 14

% Patents Active = 100.0

CIPO Patents = 5

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 2.2

ph-index = 3

Forward Citations = 24(Granted Patents)

Location History:

Guangzhou, CN (2023)
Guangdong, CN (2019 - 2024)

Company Filing History:

2 out of 6

Dongjiang Environmental Co., Ltd.

patents

1 out of 2

Guangdong Deerma Technology Co., Ltd.

patents

1 out of 1

Guangzhou Gtd Lighting Technology Co., Ltd.

patent

4. 1 out of 1

Shenzhen Awp Technology Co., Ltd.

patent

5. 1 out of 2

Shenzhen Exquisite Youths Technology Co., Ltd

patents

6. 1 out of 113

Yulong Computer Telecommunication Scientific (Shenzhen) Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 2019-2025

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. D1107357 - Vacuum cleaner (2025-12-23),

2. D1105668 - Vacuum cleaner (2025-12-09),

3. D1097191 - Fascia gun (2025-10-07),

4. 12434979 - Preparation method for electronic-grade copper chloride dihydrate (2025-10-07),

5. D1092770 - Fascia gun (2025-09-09),

6. D1082686 - Stand for vacuum cleaner (2025-07-08),

7. D1065731 - Vacuum cleaner (2025-03-04),

8. D1060297 - Recording jammer (2025-02-04),

9. 12129183 - Method for preparing basic copper carbonate (2024-10-29),

10. D1010603 - Interference device (2024-01-09),

11. D1007165 - Modular sofa (2023-12-12),

12. D977152 - Bug screen (2023-01-31),

13. 10606579 - Multi-system terminal system updating method, updating device and terminal (2020-03-31),

14. 10234106 - Double-prism assembly, multi-prism combinatorial structure and light fixture (2019-03-19),

Title: Long Chen - Innovator in Electronic-Grade Copper Chloride Preparation

Introduction

Long Chen is a prominent inventor based in Guangdong, China. He has made significant contributions to the field of materials science, particularly in the preparation of electronic-grade copper chloride dihydrate. With a total of 14 patents to his name, Chen's work has garnered attention for its innovative approaches and practical applications.

Latest Patents

One of Long Chen's latest patents is a preparation method for electronic-grade copper chloride dihydrate. This method involves dissolving a copper salt in a hydrochloric acid solution to create a copper salt solution. The process includes two solid-liquid separations, which consist of an adhesive separation using waste PCB board powder and a co-precipitation separation with tin chloride compound. The final steps involve adjusting the pH of the filtrate, evaporating to a supersaturated solution, and performing cooling crystallization.

Career Highlights

Throughout his career, Long Chen has worked with notable companies such as Dongjiang Environmental Co., Ltd. and Guangdong Deerma Technology Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Long Chen has collaborated with several professionals in his field, including Wenwu Li and Junqiang Zhu. These partnerships have facilitated the exchange of ideas and have led to advancements in their respective areas of expertise.

Conclusion

Long Chen's contributions to the field of electronic-grade copper chloride preparation highlight his innovative spirit and dedication to advancing materials science. His patents and collaborations reflect a commitment to excellence and a drive to push the boundaries of technology.