Patent · US Active

Efficient synthesis of rigid ladder polymers

US9708443B2 · kind B2 · utility

0Cited by

3References

19Claims

0Family size

Assignee

The Board of Trustees of the Leland Stanford Junior University · US

Inventors

Yan Xia · Edison, US
Sheng Liu · Bow, US

Key dates

Filing date	Sep 30, 2015
Grant date	Jul 18, 2017
Priority date	—
Expiry date	Sep 30, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2261/62
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A molecule includes at least one moiety represented by:where R1, R2, R3, and R4 are independently selected from hydride group and groups different from hydride group, and X1 and X2 are bridging moieties including a carbon atom or a heteroatom.

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