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:
Jul. 07, 2026
Filed:
Dec. 07, 2021
Applicant:
Shiraishi Central Laboratories Co., Ltd., Amagasaki City, JP;
Inventor:
Yuki Kezuka, Amagasaki City, JP;
Assignee:
SHIRAISHI CENTRAL LABORATORIES CO. LTD., Amagasaki City, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 11/18 (2006.01);
U.S. Cl.
CPC ...
C01F 11/18 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01);
Abstract
Provided are a method for producing calcium carbonate having a controlled size and a method for growing crystals in order to produce calcium carbonate having a controlled size. A method for producing a calcium carbonate comprises the steps of reducing the pH of an aqueous calcium carbonate dispersion to 9.0 or less and then increasing the pH of the aqueous calcium carbonate dispersion to grow calcium carbonate particles.
Kezuka, Yuki. (2026). Method for producing calcium carbonate, calcium carbonate, and method for growing calcium carbonate crystals (U.S. Patent No. 12673878). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12673878
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile