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:
May. 31, 2022
Filed:
Jan. 30, 2019
Usi Corporation, Kaohsiung, TW;
Moh-Ching Oliver Chang, Kaohsiung, TW;
Tsai-Ting Hsu, Kaohsiung, TW;
Yung-Shen Chang, Kaohsiung, TW;
USI CORPORATION, Kaohsiung, TW;
Abstract
A multilayer sheet for a dental appliance provided in the present disclosure includes a core layer having a tensile modulus greater than about 1400 MPa and an elongation at break greater than about 3%; and a first skin layer and a second skin layer sandwiching the core layer, wherein each of the first skin layer and the second skin layer independently has a water contact angle greater than 72° and/or a surface energy less than about 40 mN/m. The first skin layer and the second skin layer are the outermost layers of the multilayer sheet. A dental appliance made from the multilayer sheet structure is also provided.