Patent · US Active

Piperazine-containing two-photon absorbing compounds

US10336745B2 · kind B2 · utility

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15References

14Claims

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Assignee

United States of America as represented by the Secretary of the Air Force · US

Inventors

Loon-Seng Tan · Centerville, US
Zhenning Yu · Beavercreek, US

Key dates

Filing date	Mar 2, 2018
Grant date	Jul 2, 2019
Priority date	—
Expiry date	Mar 2, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D277/66
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A two-photon absorbing (TPA) compound is provided along with a method of making same. The TPA compound has a general structural formula: where R1 and R2 are independently selected from the group consisting of linear or branched alkyl chains having a general formula CnH2n+1, n ranges from about 6 to about 20, and ethoxylated alkyls having a general formula R3(OCH2CH2)mOCH2CH2—, where R3 is a C1 to C4 alkyl group, and where m ranges from 0 to about 3; and where Y is selected from the group consisting of H, OH, and alkoxyl groups.

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