The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 23, 2007
Filed:
Dec. 08, 2004
Lynn Cook Winterton, Alpharetta, GA (US);
John Martin Lally, Lilburn, GA (US);
Juergen Vogt, Duluth, GA (US);
Lynn Cook Winterton, Alpharetta, GA (US);
John Martin Lally, Lilburn, GA (US);
Juergen Vogt, Duluth, GA (US);
Novartis AG, Basel, CH;
Abstract
The invention provides a method of producing a full-body tinted contact lens. The method of the invention comprises the steps of: preconditioning particles of a pigments; dispersing the preconditioned pigment particles in a polymerizable fluid composition to obtain a pigment-containing polymerizable dispersion; introducing an amount of the pigment-containing polymerizable dispersion in a mold for making a contact lens; polymerizing the polymerizable dispersion in the mold to form a full-body tinted contact lens with the particles of the pigment entrapped and distributed therein. In addition, the invention provides a method for preparing preconditioned pigment particles and full-body tinted contact lenses produced according the method of the invention.