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. 05, 2023
Filed:
Jan. 16, 2022
Applicant:
Vonrang International Corporation, Taipei, TW;
Inventors:
Chun-Yi Wu, Taipei, TW;
Tsu-Wei Liu, Taipei, TW;
Assignee:
VONRANG INTERNATIONAL CORPORATION, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 44/32 (2006.01); C11B 9/00 (2006.01); B29C 44/28 (2006.01);
U.S. Cl.
CPC ...
B29C 44/334 (2016.11); B29C 44/28 (2013.01); C11B 9/00 (2013.01);
Abstract
A method of manufacturing a fragrance mat, comprising a material preparation step, which, by stirring at a predetermined stirring temperature, evenly mixes fragrance mat raw material and foaming related additives material to obtain an unformed fragrance mat foam material, the fragrance mat raw material containing polyvinyl chloride and essential oil, a mesh providing step, a material release step, a foaming step and a cooling step to obtain the fragrance mat having a specific diffusion coefficient and a specific diffusion flux.