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:
Jun. 16, 2015
Filed:
Oct. 12, 2010
Applicants:
Robert Andrew Broad, Hampshire, GB;
Ian Gibson, Southampton, GB;
Inventors:
Robert Andrew Broad, Hampshire, GB;
Ian Gibson, Southampton, GB;
Assignee:
Sauflon CL Limited, Fareham Hampshire, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B 1/04 (2006.01); G02B 1/04 (2006.01); C08F 220/56 (2006.01); C08F 226/10 (2006.01); C08F 230/08 (2006.01); C08G 77/20 (2006.01); C08G 77/24 (2006.01);
U.S. Cl.
CPC ...
G02B 1/043 (2013.01); C08F 220/56 (2013.01); C08F 226/10 (2013.01); C08F 230/08 (2013.01); C08G 77/20 (2013.01); C08G 77/24 (2013.01);
Abstract
A method of making a contact lens comprising the steps of reacting in a mold a polymerizable formulation comprising at least one fluorine-containing silicone monomer at least one non-fluorine-containing silicone monomer and at least one hydrophilic monomer to form a contact lens, subjecting the contact lens to one or more solvent extraction steps to remove impurities, oligomers and unreacted monomers and hydrate the contact lens, wherein all of the solvent extraction steps are undertaken using an aqueous solvent.