Title:
CHROMATIC LAYER MATERIAL, PRODUCT, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2018/188401
Kind Code:
A1
Abstract:
A chromatic layer material comprising in an outward sequence: a CR39 layer (1), a chromatic layer (2), and a CR39 layer (3), the chromatic layer comprising a photochromatic compound and cellulose triacetate. Also disclosed are a manufacturing method for the chromatic layer material and an eyewear product.
Inventors:
HUANG SUMING (CN)
Application Number:
PCT/CN2018/073931
Publication Date:
October 18, 2018
Filing Date:
January 24, 2018
Export Citation:
Assignee:
WENZHOU FUQISHI PHOTOELECTRIC MAT CO LTD (CN)
International Classes:
G02C7/10; B32B23/08; B32B23/20; B32B27/30; G02F1/00
Foreign References:
| CN107015380A | 2017-08-04 | |||
| CN203324598U | 2013-12-04 | |||
| CN101186716A | 2008-05-28 | |||
| CN101604043A | 2009-12-16 | |||
| CN102928910A | 2013-02-13 |
Attorney, Agent or Firm:
SUNRAY INTELLECTUAL PROPERTY ATTORNEYS (CN)
Download PDF: