Patent · US Active

Multilayer polymer sheets

US11213369B2 · kind B2 · utility

5Cited by

178References

15Claims

0Family size

Assignee

Align Technology, Inc. · US

Inventors

Chunhua Li · Cupertino, US
Yan Chen · Cupertino, US
Heinz Pudleiner · Krefeld, DE
Klaus Meyer · Dormagen, DE
Joerg Nickel · Dormagen, DE
Craig Pehlert · Lenox, US

Key dates

Filing date	Mar 30, 2020
Grant date	Jan 4, 2022
Priority date	—
Expiry date	Mar 30, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31786
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Multilayer polymer sheets are provided, as well as related methods, systems, and appliances.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.