Patent · US Active

Compositions for sustained release of volatile materials

US7795476B2 · kind B2 · utility

4Cited by

5References

13Claims

0Family size

Assignee

The Procter & Gamble Company · US

Inventors

Italo Corzani · Chieti, IT
Calum MacBeath · Singapore, SG
Manuel Mariani · Pescara, IT

Key dates

Filing date	Aug 1, 2005
Grant date	Sep 14, 2010
Priority date	—
Expiry date	Jun 27, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D3/50
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Compositions comprising polytetramethylene glycol and a volatile material (e.g. a perfume) are able to sustainedly release said volatile material and are easy to disperse in liquid and cream products.

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