Patent · US Active

Polyimides

US11939428B2 · kind B2 · utility

0Cited by

5References

33Claims

0Family size

Assignee

Fujifilm Electronic Materials U.S.A., Inc. · US

Inventors

Binod B. De · Attleboro, US
Sanjay Malik · Attleboro, US
William A. Reinerth · Westminster, US
Ognian N. Dimov · East Greenwich, US
Ahmad A. Naiini · East Greenwich, US
Raj Sakamuri · Sharon, US

Key dates

Filing date	Aug 2, 2021
Grant date	Mar 26, 2024
Priority date	—
Expiry date	Jan 2, 2042

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2312/06
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

This disclosure relates to a polyimide polymer that includes the reaction product of: (a) at least one diamine selected from the group consisting of a diamine of Structure (Ia) and a diamine of Structure (Ib), (b) at least one diamine of Structure (II), (c) at least one tetracarboxylic acid dianhydride, and optionally (d) at least one compound containing a first functional group reactive with an amine or an anhydride and at least a second functional group selected from the group consisting of a substituted or unsubstituted alkenyl group and a substituted or unsubstituted alkynyl group. Each variable in the above formulas is defined in the specification.

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