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:
Apr. 28, 2020

Filed:

Nov. 30, 2017
Applicant:

Neuboron Medtech Ltd., Nanjing, Jiangsu, CN;

Inventors:

Ming-Chuan Chang, Jiangsu, CN;

Wei-Lin Chen, Jiangsu, CN;

Yuan-Hao Liu, Jiangsu, CN;

Assignee:

NEUBORON MEDTECH LTD., Nanjing Jiangsu, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G21F 1/04 (2006.01); C04B 14/22 (2006.01); C04B 14/36 (2006.01); C04B 24/04 (2006.01); C04B 28/04 (2006.01); C04B 28/02 (2006.01); C04B 103/30 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
G21F 1/047 (2013.01); C04B 14/22 (2013.01); C04B 14/368 (2013.01); C04B 24/04 (2013.01); C04B 28/04 (2013.01); C04B 2103/302 (2013.01); C04B 2111/00862 (2013.01);
Abstract

A shielding material for shielding radioactive ray and preparation method thereof. The shielding material consists of water, a cementing material, a fine aggregate material, a coarse aggregate material and an additive, wherein the fine aggregate material consists of a borosilicate glass powder and a barite sand, and the coarse aggregate material consists of a barite. A content of boron element in the borosilicate glass powder accounts for 0.5%-1% of the total weight of the shielding material. A content of barium sulfate in the barite sand and the barite accounts for 71%-75% of the total weight of the shielding material. Other contents include water, the cementing material and the additive, and a sum of contents of all components is 100% total weight of the shielding material.


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