Patent · US Active

Controlled release compositions

US7674764B2 · kind B2 · utility

2Cited by

7References

2Claims

0Family size

Assignee

Dow Corning Corporation · US

Inventors

Tine Marie Leaym · Saginaw, US
Sylvie Bouzeloc · Montigny-le-Tilleul, BE
Serge Creutz · Seneffe, BE

Key dates

Filing date	Mar 17, 2009
Grant date	Mar 9, 2010
Priority date	—
Expiry date	Mar 17, 2029

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q19/10
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A composition for controlled release of an active material such as a fragrance, sunscreen, vitamin or biocide in a product such as a hair shampoo, shower gel, another personal product such as an antiperspirant or deodorant, a household cleaning product such as a laundry detergent, hard surface cleaner or polishes, or a fabric softener, air freshener or tumble drier sheet, comprises a blend of the active material and a waxy cyclopolysiloxane. The cyclopolysiloxane is preferably substituted by hydrocarbon substituents having 12 or more carbon atoms and may also contain an aryl or aralkyl substituent.

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