Patent · US Active

(Meth)acrylamide monomers containing hydroxy and silicone functionalities

US7396890B2 · kind B2 · utility

85Cited by

68References

20Claims

0Family size

Assignee

Johnson & Johnson Vision Care, Inc. · US

Inventors

Diana Zanini · Jacksonville, US
Xiaoping Lin · Jacksonville, US
Frank Mclock · Orange Park, US

Key dates

Filing date	Mar 15, 2007
Grant date	Jul 8, 2008
Priority date	—
Expiry date	Mar 15, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F220/585
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to (meth)acrylamide monomers of the formula:wherein R is H or CH3, R1 is selected from H, substituted and unsubstituted alkyl groups having 1 to 8 carbon atoms, substituted and unsubstituted benzene and toluene groups andand R2, R3 and R4 are independently selected from alkyl groups having 1 to 8 carbon atoms, substituted and unsubstituted benzene and toluene groups, and —OSiR5R6R7 wherein R5, R6 and R7 are independently selected from the group consisting of straight or branched alkyl groups having 1 to 4 carbon atoms. Polymers made therefrom are also disclosed.

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