Abstract

A method for making a hydrogel, photochromic contact lens including supplying a first lens composition comprising a contact lens monomer and a photochromic material to a front contact lens mold and supplying a second lens composition to said contact lens mold wherein the viscosity of said first composition is at least about 1000 cp greater …

Legal parties

Party
Inventors (applicants): Yongcheng Li, Holly L. Grammer, Donnie J. Duis, Leilani K. Sonoda
Assignees (initial): Johnson & Johnson Vision Care, Inc. (Jacksonville, US)
Agents: Karen A. Harding (attorney)

The application was examined by Michael Pepitone (USPTO dept. 1767)

Claims

  • 1. A method for making a photochromic, hydrogel contact lens comprising: …
  • 2. The method of claim 1 wherein the said second contact lens composition is dosed …
  • 3. The method of claim 2 wherein the second mold part is deposited on to the front …

Cited documents

Patents

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  • WO WO 2008061992 A2, May. 1, 2008
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  • Gemert US 2003/0142267 A1, Jul. 1, 2003
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  • Nicolson US 7553880 B2, Jun. 1, 2009

Drawings

Brief Description of the Drawings

The present invention is disclosed with reference to the accompanying drawings, wherein: FIGS. 1A and 1B schematically represent methods of making pupil only photochromic lenses according to the invention. …

Description

Technical Field

The present invention relates to contact lens eyewear and, more particularly, to contact lenses with photochromic dyes disposed in the region of the lens covering the pupil region when worn …

Related Applications

This application claims priority to provisional U.S. Patent Application Ser. No. 61/323,410, filed Apr. 13, …

Detailed Description

As used herein hydrogels are water swellable polymers which have water contents between about 20 and about 75% water. As used herein reactive mixture or monomer mixture means As used …

More details about Pupil-Only Photochromic Contact Lenses Displaying Desirable Optics and Comfort

Miscellaneous patent data

Particularly claims a method for making a photochromic, hydrogel contact lens comprising…, the invention description is illustrated by 7 drawings, claims 1-16 comprise the invention scope, the primary classification Silicon-containing organic polymer has been designated to the document, the invention is named Pupil-Only Photochromic Contact Lenses Displaying Desirable Optics and Comfort, assigned to a United States company, the agent's name is Harding Karen A., the application number is 13/082,447 (U.S.), located in Jacksonville (US), the assignee organization is Johnson & Johnson Vision Care, Inc., the grant date is Apr. 15, 2014 (publication date), the grant publication number is 08697770, was examined by Michael Pepitone, the main examiner (1767 USPTO department), the exemplary patent drawings are Exemplary lens made according to the methods, Pupil-Only Photochromic Contact Lenses Displaying, Schematically represent methods of making, contact lens according to the invention, the term of the patent was extended by 96 days, invented by Yongcheng Li et al., the exemplary claims include number 1, 10 figures depict the invention details, the application publication date is Apr. 8, 2011, the applicant's address - Jacksonville, FL, the applicant's last name is Duis, and his first name is Donnie J., the inventor's state is FL, city - Atlantic Beach, the inventor's name is Sonoda Leilani K., similar patents are classified under Containing fibrous or polycrystalline refractory oxide, Attaching auxiliary optical parts, foldable, Mirrors, Prisms, Organic chalcogen other than metallocarboxylate salt, e.g., diethylene glycol, etc., DNRM, Hinges, Cellulose derivative containing -C(=O)OR or N, Auxiliary lenses, Arrangements for varying focal length, Product having an inorganic material surface coated onto an organic substrate, Hydrocarbon wax.

Invention classification information

The invention is classified under made of organic materials, e.g. plastics, Silicon-containing organic polymer, Contact lens making composition, Methods, Eye contact, Photochromatic, Optimization, Contact lenses for the eyes, Lens design. The designated search classifications include Silicon-containing organic polymer, Lens design, Eye contact, Methods, Photochromatic, Contact lens making composition, Optimization.

Patent details
Publication number 08697770
Publication date Apr. 15, 2014
Kind code B2
Application number 13/082,447
Application date Apr. 8, 2011
Application type U
Application series code 13
Extension term 96
National classification 523/107
Total number of claims 16
Exemplary claims 1
Number of drawings 7
Number of figures 10
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