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:
Aug. 19, 2025
Filed:
Dec. 30, 2019
Solventum Intellectual Properties Company, Maplewood, MN (US);
Richard Y. Liu, Woodbury, MN (US);
Daniel J. Skamser, Ham Lake, MN (US);
Bhaskar V. Velamakanni, Woodbury, MN (US);
Nathaniel I. Lehn, White Bear Lake, MN (US);
Mitchell A. Hirsch, Woodbury, MN (US);
Lyudmila A. Pekurovsky, Bloomington, MN (US);
Solventum Intellectual Properties Company, Maplewood, MN (US);
Abstract
A dental appliance for positioning a patient's teeth includes a polymeric shell with a plurality of cavities for receiving one or more teeth. The polymeric shell includes at least 3 alternating polymeric layers AB, wherein layer A includes a thermoplastic polymer A, layer B includes a thermoplastic polymer B, and the thermoplastic polymer B is different from the thermoplastic polymer A. Each of the thermoplastic polymers A and B have a flexural modulus of about 1.0 GPa to about 4.0 GPa; and each of the thermoplastic polymers A and B have a glass transition temperature (T) greater than about 40° C.