Patent · US Active

Hydrophilic cyclodextrin-containing silicone gels

US12428560B2 · kind B2 · utility

0Cited by

14References

20Claims

0Family size

Assignee

Wacker Chemie AG · DE

Inventors

Amitabha Mitra · Phillipsburg, US
Sarah Burke · Milan, US
Feng Wang · Export, US
Christian Hartman · Dexter, US
Margaret Whitton · Jackson, US
Chelsea Grimm · Perrysburg, US

Key dates

Filing date	Dec 29, 2018
Grant date	Sep 30, 2025
Priority date	—
Expiry date	Oct 6, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2312/08
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Solvent-swollen crosslinked silicone gels containing covalently bonded cyclodextrin groups are prepared by hydrosilylation. The swollen gels are storage stable, compatible with water and polar solvents, and display a significant water break effect.

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