Patent · US Active

Polycarbonate resin, method for producing the same, and optical lens

US11952460B2 · kind B2 · utility

0Cited by

0References

33Claims

0Family size

Assignee

Mitsubishi Gas Chemical Company, Inc. · JP

Inventors

Munenori Shiratake · Tokyo, JP
Kentaro Ishihara · Tokyo, JP
Koji Hirose · Tokyo, JP
Shinya Ikeda · Tokyo, JP
Noriyuki Kato · Nara, JP
Mitsuteru Kondo · Tokyo, JP
Shoko SUZUKI · Tokyo, JP
Kensuke Oshima · Tokyo, JP
Shuya Nagayama · Nagasaki, JP

Key dates

Filing date	Jul 29, 2022
Grant date	Apr 9, 2024
Priority date	—
Expiry date	Aug 1, 2042

Classification

Technology area (CPC G)Physics
CPC primaryG02B1/041
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A polycarbonate resin having a high refractive index, a low Abbe number and a high moisture and heat resistance is provided. In an embodiment, a polycarbonate resin including a structural unit represented by general formula (1) below is provided.

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