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. 04, 2022
Filed:
Feb. 12, 2018
Applicants:
Byeong Hak JO, Jecheon-si, KR;
Won Ho JO, Jecheon-si, KR;
Inventor:
Byeong Hak Jo, Jecheon-si, KR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 22/14 (2006.01); C04B 14/02 (2006.01); C04B 14/08 (2006.01); C04B 18/10 (2006.01); C04B 22/12 (2006.01); C04B 24/04 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C04B 22/149 (2013.01); C04B 14/022 (2013.01); C04B 14/08 (2013.01); C04B 18/101 (2013.01); C04B 22/12 (2013.01); C04B 24/04 (2013.01); C04B 2111/00025 (2013.01); C04B 2201/50 (2013.01);
Abstract
The present invention relates to a cement additive and a method for producing same, wherein carcinogens, including heavy metals such as hexavalent chromium and the like, generated from cement are removed while maintaining the strength and characteristic physical properties of cement. Moreover, the cement additive according to the present invention can provide cement that does not become oxidized by heat into hexavalent chromium.