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:
Nov. 04, 2025
Filed:
Jan. 24, 2022
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventor:
Kenji Mori, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27K 5/02 (2006.01); B27K 3/36 (2006.01);
U.S. Cl.
CPC ...
B27K 5/02 (2013.01); B27K 3/36 (2013.01);
Abstract
Provided is a method for producing colored wood, the method including: a step of impregnating a block of wood with an organic acid aqueous solution containing an organic acid; and a step of performing steam treatment at high temperature and high pressure on the block of wood in a wet state of being impregnated with the organic acid aqueous solution while keeping the block of wood in the wet state. In the steam treatment, the temperature is 110° C. or more and 160° C. or less and the pressure is a saturated steam pressure at the temperature.