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:
Oct. 26, 2021
Filed:
Nov. 06, 2019
Industrial Technology Research Institute, Hsinchu, TW;
Hsin-Hsin Shen, Zhudong Township, TW;
Yu-Chi Wang, New Taipei, TW;
Sen-Lu Chen, Zhunan Township, TW;
Yu-Bing Liou, Hsinchu, TW;
Jian-Wei Lin, Tainan, TW;
Yi-Hsuan Lee, Taipei, TW;
Ming-Chia Yang, Taipei, TW;
Ying-Wen Shen, Zhunan Township, TW;
Wei-Lin Yu, Zhubei, TW;
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Abstract
A biodegradable sealant includes: a polyethylene glycol derivative; a photoinitiator; and a solvent, wherein the content of the polyethylene glycol derivative is about 10-75 wt % in the biodegradable sealant. The polyethylene glycol derivative is obtained by a substitution reaction, and in the substitution reaction, the polyethylene glycol is modified with methacrylic anhydride.