Patent SG-11201808995X-A (SG)
Title: Method of manufacturing silicone hydrogel contact lenses having reduced rates of evaporation
Inventor: RICHARDSON PAUL
IPC: G02B1/04
Filed: 2017-07-13
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 1#11101111 Organization 0 11101 HOE 3E1 0 011111133 10111101111111011110111111 International Bureau (10) International Publication Number (43) International Publication Date .....0\"\"\" WO 2018/011586 A2 18 January 2018 (18.01.2018) W I P0 I P C T (51) International Patent Classification: (74) Agent: ABEL & IMRAY; Westpoint Building, James G02B 1/04 (2006.01) Street West, Bath Bath and North East Somerset BA1 2DA (21) International Application Number: (GB). PCT/GB2017/052064 (81) Designated States (unless otherwise indicated, for every (22) International Filing Date: kind of national protection available): AE, AG, AL, AM, 13 July 2017 (13.07.2017) AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, (25) Filing Language: English DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, (26) Publication Language: English HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, (30) Priority Data: MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, 62/362,283 14 July 2016 (14.07.2016) US OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, (71) Applicant: COOPERVISION INTERNATIONAL TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. HOLDING COMPANY, LP [GB/BB]; Edghill House, Wildey Business Park, Suite 2, St. Michael (BB). (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, (72) Inventors: RICHARDSON, Paul; CooperVision, Inc., GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, 5870 Stoneridge Drive, Suite 1, Pleasanton, California UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, 94588 (US). KEIR, Nancy J.; CooperVision, Inc., 5870 TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, — Stoneridge Drive, Suite 1, Pleasanton, California 94588 EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, (US). SHI, Xinfeng; CooperVision, Inc., 5870 Stoneridge MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, = Drive, Suite 1, Pleasanton, California 94588 (US). MUN, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, James; CooperVision, Inc., 5870 Stoneridge Drive, Suite 1, KM, ML, MR, NE, SN, TD, TG). Pleasanton, California 94588 (US). = Title: METHOD OF MANUFACTURING SILICONE HYDROGEL CONTACT LENSES HAVING REDUCED RATES OF = (54) EVAPORATION (57) : A wettable silicone hydrogel contact lens having a = low ionoflux and low evaporation is manufactured by curing a sil- - icon hydrogel polymerizable composition in a contact lens mold comprising front and back lens-forming surfaces, where one of the = = lens forming surfaces has a higher polarity than the other lens-form- - ing surface. = _ = = = 7 = = 3 • . ei .4 : , er- . . . -rf . 6 7 . - - - • 0 Ot ir) Il Il 0 --.... 5 00 Il © ei Fig. 1 C [Continued on next page] WO 2018/011586 A2 MIMMOMMIDEMENE10111111111101111111111011110111111 Published: — without international search report and to upon receipt of that report (Rule 48.2(g)) be republished