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:
Sep. 08, 2026
Filed:
Jun. 20, 2023
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Hisao Nagai, Osaka, JP;
Hiroki Maruyama, Osaka, JP;
Takeshi Koiwasaki, Osaka, JP;
Takafumi Okuma, Fukui, JP;
Abstract
A method for producing a fine-particle powder containing calcium oxide or calcium hydroxide includes: preparing a pulverized powder of shells or eggshells; introducing the pulverized powder of shells or eggshells into a controlled atmosphere, vaporizing the pulverized powder under thermal plasma and then solidifying the pulverized powder in a gas phase to produce fine particles containing calcium oxide or calcium hydroxide; and collecting a powder of the fine particles containing calcium oxide or calcium hydroxide produced with the thermal plasma.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile