US 11,192,967 B1 · Thermosetting polyimides derived from resveratrol

Abstract

A method for making thermosetting polyimides from resveratrol including converting resveratrol to trisaniline, reacting trisaniline with one or more dianhydride and thermosetting endcap to form amic acid, thermally imidizing amic acid to form polyimide oligomer, and cross-linking polyimide oligomer with heat and pressure to generate polyimide thermoset.

Claims1

Dependent claims

A trisaniline having the formula:

Dependencies are inferred from the claim text.

Facts

Application

16/431,790Filed 5 Jun 2019 · division

Priority

25 Jan 2017

Granted

7 Dec 2021

Term ends

Not estimatedThe source records don’t support an estimate.

Classification15 codes

C08F 132/08
Homopolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double…:…
B01J 19/123
Incoherent waves: ultraviolet light
C07C 209/22
By substitution of functional groups by amino groups: by substitution of other functional groups
C07C 211/51
With at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton: phenylenediamines

Thermosetting polyimides derived from resveratrol

Life of this patent

Abstract

Claims1

Thermosetting polyimides derived from resveratrol

Life of this patent

Abstract

Claims1