Patent SG-11201803723Q-A (SG)
Title: Reusable lens molds and methods of use thereof
Inventor: LIU ALICE WEIMIN
IPC: B29D11/00
Filed: 2016-11-09
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property , Organization International Bureau ires.. 00) (43) International Publication Date .... ..sr.) 22 June 2017(22.06.2017) WIPO I PCT (10) WO International 111111111111311111111111111111111111111111111111111111111111111111111311111111111111111 2017/103705 Publication Number Al (51) International Patent Classification: HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, B29D 11/00 (2006.01) CO3C 17/34 (2006.01) KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, B29C 39/26 (2006.01) MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (21) International Application Number: SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, PCT/IB2016/056754 TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, (22) International Filing Date: ZW. 9 November 2016 (09.11.2016) (84) Designated States (unless otherwise indicated, for every (25) Filing Language: English kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, (26) Publication Language: English TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, (30) Priority Data: TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, 62/268,859 17 December 2015 (17.12.2015) US DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, (71) Applicant: NOVARTIS AG [CH/CH]; Lichtstrasse 35, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, 4056 Basel (CH). GW, KM, ML, MR, NE, SN, TD, TG). (72) Inventors: LIU, Alice Weimin; c/o Alcon Research, Ltd., Declarations under Rule 4.17: 11460 Johns Creek Parkway, Johns Creek, GA 30097 — (US). PI, Ying; c/o Alcon Research, Ltd., 11460 Johns as to applicant's entitlement to apply for and be granted a patent (Rule 4.170) Creek Parkway, Johns Creek, GA 30097 (US). — as to the applicant's entitlement to claim the priority of the (81) Designated States (unless otherwise indicated, for every earlier application (Rule 4.17 (iii)) kind of national protection available): AE, AG, AL, AM, Published: 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, with international search report (Art 21(3)) DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (54) Title: REUSABLE LENS MOLDS AND METHODS OF USE THEREOF (57) : The invention present gen- eral related to a method and a reusable mold (1) for making a contact lens, com- prising a first mold half (11) having a first in hydro- mold surface (13) contact with a $ - , lens forming gel contact composition and a 1 second mold half (12) having a second mold surface (14) in contact with the lens forming composition, wherein the first mold half (11) and the second mold half (12) are configured to receive each other such that a cavity (15) is formed between . the first mold (13) and the surface second mold surface (14), wherein the cavity (15) 1 12 defines the shape of a contact lens to be molded, wherein the lens forming composi- tion is polymerizable and/or crosslinkable Il .4t in by an actinic radiation (3), wherein at least one of the mold halves (11, 12) has an ab- sorbing antireflective coating (31), wherein 0 the reusable mold (1) is a non-plastic mold. IN M 0 Il IN Il 0 N O