The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 03, 2026

Filed:

Jun. 20, 2023
Applicant:

Kunming University of Science and Technology, Kunming, CN;

Inventors:

Yang Tian, Kunming, CN;

Tingzhuang MA, Kunming, CN;

Bin Yang, Kunming, CN;

Baoqiang Xu, Kunming, CN;

Wenlong Jiang, Kunming, CN;

Yifu Li, Kunming, CN;

Fei Wang, Kunming, CN;

Yong Deng, Kunming, CN;

Shuji Wu, Kunming, CN;

Haosong Yu, Kunming, CN;

Lipeng Wang, Kunming, CN;

Dong Liang, Kunming, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 26/22 (2006.01); C22B 1/24 (2006.01); C22B 5/10 (2006.01); C22B 5/16 (2006.01);
U.S. Cl.
CPC ...
C22B 26/22 (2013.01); C22B 1/2406 (2013.01); C22B 5/10 (2013.01); C22B 5/16 (2013.01);
Abstract

Disclosed is a method for smelting magnesium from dolomite by vacuum carbothermal reduction. The method includes: pressing a mixed powder of dolomite and coking coal to obtain a block; and heating the block directly to obtain a heated block, subjecting the heated block to a carbothermal reduction reaction in vacuum to obtain a reduced vapor, and condensing the reduced vapor to obtain crystalline magnesium, wherein the heating is conducted at a heating rate of ≤12 K/min; and the carbothermal reduction reaction is held at a temperature of ≥1,400 K for ≤2 h.


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Tian, Yang. (2026). Method for smelting magnesium from dolomite by vacuum carbothermal reduction (U.S. Patent No. 12781309). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12781309

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