Method of inhibiting adhesion of a contact lens to its packaging material
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Patent Name: Method of Suppressing Adhesion of Contact Lenses to Their Packaging Materials Patent Applicant, SC Johnson & Johnson Eyes Conservation Corporation Principal Applicant, Florida Inventor, N. Alvarez; F. Mollock; A. Alley; J. Fu S. Mahadwan Application (Patent) No. 03821328.1 Date of Application 2003.08.29 Approval Date Approval Notice No. 1681538 Date of Publication Approval 2005.10.12 Instruction CD No. D0541 Main Classification No. A61L12/14 Class No. A61L12/14; C11D3 /00 Division Original Application No. 2002.9.9 US 10/237,431 Abstract The present invention discloses a method for reducing the adhesion between a soft lens and a hydrophobic packaging material using a compound of formula I, and wherein Rsup1/sup-Rsup12 /sup, a, b, z, x, q, m, and n are limited. Sovereignty Claim 1, a method of inhibiting the attachment of a flexible lens to a hydrophobic packaging material, the method comprising placing the flexible lens in a packaging solution comprising an effective amount of a compound of Formula I wherein R1 is C1-6 alkyl; R2 is -CH2OH, -CH2OR3, -CH2OC(O)R4 where R3 is C1-50 alkyl, or C1-51 alkenyl with at least one double bond, R4 is hydrogen or C1-12 alkyl; R5 is -OH Or -[(O-(CHR7)a)n-OR6] wherein R6 is hydrogen or C1-50 alkyl, or C1-51 alkenyl having at least one double bond, R7 is hydrogen or C1-12 alkyl; R8 is -OH, or -[(O-(CHR10)b)m-OR9] wherein R9 is hydrogen or C1-50 alkyl, or C1-51 alkenyl with at least one double bond, R10 is hydrogen or C1- 12 alkyl; R11 is -OH or -OC(O)R12 where R12 is C1-50 alkyl, or C1-51 alkenyl with at least one double bond; a is 2-4; b is 2-4; x Is 0-3; q is 0-3; z is 0-3 where x+q+z is 3m is an integer from 1 to 200; n is an integer from 1 to 200, where m+n is 2 to The 400 condition is that if q is 3, R6 is not ethyl; provided that if z is 3, R9 is not ethyl. International Application PCT/US2003/027032 2003.8.29 International Publication WO2004/022114 English 2004.3.18 Entering the National Date Patent Agency China Patent Agency (Hong Kong) Co., Ltd. Agency Address Agent Zhang Yuanzhong; Tan Mingsheng