US 2023/0407207 A1 · Composition Comprising Hueing Agent

Abstract

This invention relates to a laundry care composition comprising a laundry care ingredient and a polymeric thiophene hueing agent.

Claims2

Dependent claims

A method for making an amide-containing, polymeric thiophene hueing agent, wherein the amide is formed via hydrolysis of a nitrile under basic conditions.

Dependencies are inferred from the claim text.

Facts

Application

18/240,608Filed 31 Aug 2023

Priority

2 Mar 2020

Published

21 Dec 2023

Term ends

Not estimatedThe source records don’t support an estimate.

Classification9 codes

C11D 3/349
Containing sulfur: additionally containing nitrogen atoms, e.g. nitro, nitroso, amino, imino, nitrilo, nitrile groups containing compounds or…
C11D 3/40
Other compounding ingredients of detergent compositions covered in group C11D1/00: dyes ; Pigments
C09B 69/00
Dyes not provided for by a single group of this subclass
C11D 3/42
Dyes ; Pigments: brightening agents ; Blueing agents

Family

Application62/983,872Us provisional application · filed 2 Mar 2020

Application17/156,771Division · filed 25 Jan 2021

Application18/240,608Division

US 12,195,703 B2Related patent

US 2021/0269747 A1Published application

US 2023/0407207 A1This patent

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

Composition Comprising Hueing Agent

Life of this patent

Abstract

Claims2

Composition Comprising Hueing Agent

Life of this patent

Abstract

Claims2