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Original Paper

UDC 628.3:608.3 © E.S. Mikhaylova, I.V.Timoshchuk, A.K.Gorelkina, 2023

ISSN 0041-5790 (Print) • ISSN 2412-8333 (Online) • Ugol’ – Russian Coal Journal, 2023, № 10, pp. 28-35

DOI: http://dx.doi.org/10.18796/0041-5790-2023-10-28-35


The methodology for constructing patent landscapes on the example of wastewater treatment of coal mining enterprises


Mikhaylova E.S.1, Timoshchuk I.V.1, Gorelkina A.K.1

1Kemerovo State University, Kemerovo, 650000, Russian Federation

Authors Information

Mikhaylova E.S., PhD (Сhemistry), Head of the Department for the implementation of a СSTP, e-mail: e_s_mihaylova@mail.ru

Timoshchuk I.V., Doctor of Engineering Sciences, Professor, Department of Technosphere safety, e-mail: irina_190978@mail.ru

Gorelkina А.К., Doctor of Engineering Sciences, Professor, Department of Technosphere safety, e-mail: alengora@yandex.ru


The article proposes a methodology for the development of patent landscapes, a patent collection of global trends and prospects for wastewater treatment of coal enterprises conducting open-pit coal mining, obtained on the basis of patent analytics for the period from 2012 to 2022. The patent collection is analyzed according to the main indicators of the dynamics and structure, the geography of the emergence of technologies and their legal protection, direct citation of patent families among the most significant copyright holders, and the article analyzes the full texts of patent documents and highlights the main areas of application of wastewater treatment technologies at coal mines. Technical, legal and business information is obtained from patent sources and visualized using modern patent analytics tools.


Patent analytics, Patent landscape, Open-pit coal mining, Waste water from coal enterprises, Wastewater treatment methods.


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The research is conducted as part of the comprehensive scientific and technical program of a complete innovative cycle "Development and implementation of a complex of technologies in the fields of exploration and extraction of minerals, ensuring of industrial safety, bioremediation, creation of new products of deep processing of coal raw materials with consecutive amelioration of ecological impact on the environment and risks to human life", approved by the Decree of the Government of the Russian Federation from 11.05.2022 №1144-r, agreement no. 075-15-2022- 1201 dated 3 Doctor of Engineering Sciences, Professor, 0.09.2022.

For citation

Mikhaylova E.S., Timoshchuk I.V. & Gorelkina A.K. The methodology for constructing patent landscapes on the example of wastewater treatment of coal mining enterprises. Ugol’, 2023, (10), pp. 28-35. (In Russ.). DOI: 10.18796/0041-5790-2023-10-28-35.

Paper info

Received April 11, 2023

Reviewed September 14, 2023

Accepted September 26, 2023


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