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.
Patent No.:
Date of Patent:
Jan. 20, 2026
Filed:
Jan. 16, 2025
Beijing University of Technology, Beijing, CN;
Jianrong Li, Beijing, CN;
Wenliang Li, Beijing, CN;
Jiamei Yu, Beijing, CN;
Linhua Xie, Beijing, CN;
Beijing University of Technology, Beijin, CN;
Abstract
The present disclosure provides a calcium-based metal-organic framework material, the calcium-based metal-organic framework material is a porous material with a three-dimensional framework structure formed by self-assembly coordination of a metal ion Caand an organic ligand 2,5-pyrazinedicarboxylic acid; a structural formula of the 2,5-pyrazinedicarboxylic acid is the three-dimensional framework structure is formed by a coordination bond between a one-dimensional calcium chain and a nitrogen atom and an oxygen atom in the organic ligand; and the one-dimensional calcium chain is provided with a broken line shape, and includes a plurality of mononuclear calcium nodes; and each of the plurality of mononuclear calcium nodes is provided with an eight-coordinated mode.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile