Patent · US Active

Hydrophilic macromers and hydrogels comprising the same

US9804296B2 · kind B2 · utility

0Cited by

15References

21Claims

0Family size

Assignee

Momentive Performance Materials GmbH · US

Inventors

Monjit Phukan · Bengaluru, IN
Anubhav Saxena · Bengaluru, IN
Shreedhar Bhat · Bengaluru, IN

Key dates

Filing date	Sep 22, 2014
Grant date	Oct 31, 2017
Priority date	—
Expiry date	Sep 22, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG02B2207/109
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A hydrophilic silicone macromer composition suitable for use in producing hydrogel polymer films from which biomedical devices such as contact lenses can be made. The hydrophilic silicone macromer comprises a polyether backbone comprising a silicone-containing pendant group. In one aspect, a hydrophilic silicone macromer is of the Formula 1:The hydrophilic silicone macromer can be used to form a polymer and a hydrogel film suitable for forming contact lenses.

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