# US 10,308,657 B2 · Composition comprising cucurbituril and/or one or more derivatives thereof

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- Number: US 10,308,657 B2
- Document ID: US10308657B2
- Status: Granted
- Kind: B2
- Application number: 15/967,006
- Filed: 2018-04-30
- Published: 2018-08-30
- Granted: 2019-06-04
- Earliest claimed: 2016-12-22
- Assignees: Aqdot Limited
- Applicants: Aqdot Limited
- Inventors: Roger Coulston; David Diec; Guilherme Nogueira; Johannes Gerardus De Rooij
- Web page: https://patentgrep.com/patent/US10308657B2

## CPC

- C07D 487/22: in which the condensed system contains four or more hetero rings
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)

## Abstract

This invention relates to cucurbituril and/or one or more derivatives thereof with low formaldehyde content, to a process of manufacturing said cucurbituril and/or one or more derivatives thereof and to the use of said cucurbituril and/or one or more derivatives thereof, in particular in consumer and industrial products, and in industrial processes.

## Claims

### Claim 1

Cucurbituril and/or one or more derivatives thereof comprising less than 300 ppm formaldehyde.

### Claim 2 (depends on 1)

Cucurbituril and/or one or more derivatives thereof according to claim 1 comprising less than 200 ppm formaldehyde.

### Claim 3

A composition comprising cucurbituril and/or one or more derivatives thereof, the composition comprising no more than 300 ppm formaldehyde originating from the cucurbituril and/or one or more derivatives thereof.