Patent · US Active

Method for producing an optical filter

US8337728B2 · kind B2 · utility

1Cited by

2References

5Claims

0Family size

Assignee

ADEKA CORPORATION · JP

Inventors

Tatsuya Ishida · Kashihara, JP
Koichi Shigeno · Tokyo, JP

Key dates

Filing date	Apr 9, 2012
Grant date	Dec 25, 2012
Priority date	—
Expiry date	Apr 9, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG02B1/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

An optical filter containing at least a clay mineral complex (A). The clay mineral complex (A) comprises a layered clay mineral (B) intercalated with a dye cation (C), and an organic cation (D).

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