US 9,927,770 B2Granted

Holographic recording composition

AssigneeDublin Institute of Technology

InventorsSuzanne Martin, Vincent Toal, Emilia Mihaylova, Izabela Naydenova, Dervil Cody

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Abstract

A pressure sensitive holographic recording composition is described wherein the composition comprises diacetone acrylamide, glycerol and citric acid. The composition is capable of recording high diffraction efficiency reflection holograms.

Claims20

Dependent claims

A holographic recording composition comprising diacetone acrylamide, citric acid, and glycerol.

Dependencies are inferred from the claim text.

Facts

Application: 15/318,547Filed 26 Jun 2015
Priority: GB 1411640.430 Jun 2014
Published: US 2017/0123374 A14 May 2017
Granted: 27 Mar 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification20 codes

G03H 1/0011
Adaptation of holography to specific applications: for security or authentication
G03F 7/001
Production of optical devices or components in so far as characterised by the lithographic processes or materials used therefor: phase modulating…
G03F 7/027
Photosensitive materials: non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
G03F 7/031
With photosensitivity-increasing substances, e.g. photoinitiators: organic compounds not covered by group G03F7/029

Family

US 2017/0123374 A1Pre-grant publication · published 4 May 2017
US 9,927,770 B2This patent

From the US filing history. Foreign family members aren’t listed.

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