Patent · US Active

Silicone polyethers

US12180319B1 · kind B1 · utility

0Cited by

28References

15Claims

0Family size

Assignee

Dow Silicones Corporation · US

Inventors

Mirasbek Kuterbekov · London, GB
Sophie Hanssens · Seneffe, BE
Stephane Ugazio · Soignies, BE

Key dates

Filing date	Oct 12, 2022
Grant date	Dec 31, 2024
Priority date	—
Expiry date	Oct 12, 2042

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G77/20
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A class of silicone polyethers represented by formula (I) along with methods for their preparation including the steps of combining: a) a polyorganohydrogensiloxane (“—SiH polymer”) as represented by formula (VI) and b) a polyoxyalkylene as represented by formula (VII) in the presence of c) a hydrosilylation catalyst.

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