Patent · US Active

Process for the preparation of hydroxyl-functionalized polysiloxanes

US11326027B2 · kind B2 · utility

0Cited by

7References

13Claims

0Family size

Assignee

Henkel AG & Co. KGaA · DE

Inventors

Marleen Winterberg · Rostock, DE
Marta Woznicka · Rostock, DE
Annika Dietrich · Rostock, DE
Esteban Mejia · Rostock, DE
Udo Kragl · Kritzmow, DE
Christina Despotopoulou · Minneapolis, US
Ralf Dunekake · Goldkronach, DE
David Briers · Hasselt, BE
Johann Klein · Goldkronach, DE
Henrik Lund · Raleigh, US

Key dates

Filing date	Jun 14, 2019
Grant date	May 10, 2022
Priority date	—
Expiry date	Jun 14, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G65/336
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A method for producing a hydroxyl-functionalized polysiloxane having secondary or tertiary hydroxyl groups, said method comprising the steps of:

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