Polyacryloxyalkylsilanol lens composition, articles and method of manufacture

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4769431
SERIAL NO

06864523

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A copolymer composition, especially suited for fabricating optical lenses comprising a copolymer of copolymerized comonomers which include in weight percent about one to about twenty percent by weight of an acryloxyalkylsilanol; about one to about fifteen percent of a polyacryloxyalkylpolysiloxane; about thirty to about seventy five percent of an siloxy substituted ester of acrylic or methacrylic acid; from about one to about 35 percent of an alkyl or cycloalkyl acrylate or methacrylate having from one to twenty carbon atoms; from about one to about twenty percent of a polyol diacrylate; and from about one to about twenty percent of a wetting monomer. Contact lenses and contact lens buttons are formed of such copolymer of copolymerized comonomers by conventional techniques, by injection molding, and by compression molding.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
PARAGON VISION SCIENCES INC947 EAST IMPALA AVENUE MESA AS 85204

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ratkowski, Donald J Mesa, AZ 11 352

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation