SG11201803719RA - Process for manufacturing contact lenses - Google Patents
Process for manufacturing contact lensesInfo
- Publication number
- SG11201803719RA SG11201803719RA SG11201803719RA SG11201803719RA SG11201803719RA SG 11201803719R A SG11201803719R A SG 11201803719RA SG 11201803719R A SG11201803719R A SG 11201803719RA SG 11201803719R A SG11201803719R A SG 11201803719RA SG 11201803719R A SG11201803719R A SG 11201803719RA
- Authority
- SG
- Singapore
- Prior art keywords
- mold
- international
- molding surface
- johns
- pct
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 238000000465 moulding Methods 0.000 abstract 7
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 238000009472 formulation Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000008520 organization Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00038—Production of contact lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00038—Production of contact lenses
- B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
- B29D11/00134—Curing of the contact lens material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/10—Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00038—Production of contact lenses
- B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
- B29D11/00192—Demoulding, e.g. separating lenses from mould halves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/0048—Moulds for lenses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
- G02C7/049—Contact lenses having special fitting or structural features achieved by special materials or material structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0058—Liquid or visquous
- B29K2105/0061—Gel or sol
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
- B29L2011/0041—Contact lenses
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -' Organization International Bureau (43) International Publication Date ..... ..sr.1 29 June 2017(29.06.2017) WIPO I PCT ID Hit (10) WO International 2017/109600 111111111111111111111111111111111111111111001111111111t111111111IIIIII Publication Number Al (51) International Patent Classification: DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, B29D 11/00 (2006.01) HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, (21) International Application Number: MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, PCT/IB2016/056755 OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (22) International Filing Date: SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, 9 November 2016 (09.11.2016) TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (25) Filing Language: English (84) Designated States (unless otherwise indicated, for every (26) Publication Language: English kind of regional protection available): ARIPO (BW, GH, (30) Priority Data: GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, 62/270,938 22 December 2015 (22.12.2015) US TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, (71) Applicant: NOVARTIS AG [CH/CH]; Lichtstrasse 35, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, 4056 Basel (CH). LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, (72) Inventors: JOBE, Oli; c/o Alcon Research, Ltd., 11460 SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, Johns Creek Parkway, Johns Creek, Georgia 30097 (US). GW, KM, ML, MR, NE, SN, TD, TG). HAKEN, Uwe; c/o Alcon Research, Ltd., 11460 Johns Declarations under Rule 4.17: Creek Parkway, Johns Creek, Georgia 30097 (US). — as to applicant's entitlement to apply for and be granted a (81) Designated States (unless otherwise indicated, for every patent (Rule 4.170) kind AE, AG, AL, AM, of national protection available): as to the applicant's entitlement to claim the priority of the AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, earlier application (Rule 4.17 (iii)) BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, [Continued on next page] (54) Title: PROCESS FOR MANUFACTURING CONTACT LENSES (57) : The invention provides a method of making ophthalmic lenses with an enhanced quality and enhanced by having been treated on back yield achieved using molds V 10 surface of mold with corona discharge technique. The meth- the for cast-molding od comprises steps of obtaining a mold i 2 0 lenses from lens formulation, contact a wherein the mold --- comprises a first mold half having a first molding surface ---- , , and a first back surface, a second mold half having a second ---- molding surface and a second back surface, wherein when \" the first and second mold are configured to receive each ,- lens forming is fonned between other such that a cavity the first molding surface and the second molding surface and 4............ 40 applying a corona discharge on one of the first and second back surfaces so that the molding surface of the mold with back has an average water contact angle the treated surface smaller than the molding surface of the mold with untreated 50 mold by about 0.1 degrees to about 6 degrees. R0 1-1 .4t C:: , o FIG, c, O 1-1 N 1-1 O N O WO 2017/109600 Al IMEDIMOMMIONEMMIOMOIONE10110010110MOMMIE Published: — with international search report (Art. 21(3))
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562270938P | 2015-12-22 | 2015-12-22 | |
PCT/IB2016/056755 WO2017109600A1 (en) | 2015-12-22 | 2016-11-09 | Process for manufacturing contact lenses |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11201803719RA true SG11201803719RA (en) | 2018-07-30 |
Family
ID=57354418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11201803719RA SG11201803719RA (en) | 2015-12-22 | 2016-11-09 | Process for manufacturing contact lenses |
Country Status (7)
Country | Link |
---|---|
US (1) | US10611107B2 (en) |
EP (1) | EP3393770B1 (en) |
CN (1) | CN108541232B (en) |
HU (1) | HUE060759T2 (en) |
MY (1) | MY190699A (en) |
SG (1) | SG11201803719RA (en) |
WO (1) | WO2017109600A1 (en) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4444711A (en) | 1981-12-21 | 1984-04-24 | Husky Injection Molding Systems Ltd. | Method of operating a two-shot injection-molding machine |
US4460534A (en) | 1982-09-07 | 1984-07-17 | International Business Machines Corporation | Two-shot injection molding |
US5158718A (en) | 1990-08-02 | 1992-10-27 | Pilkington Visioncare, Inc. | Contact lens casting |
JPH06170857A (en) | 1992-12-03 | 1994-06-21 | Seiko Epson Corp | Production of contact lens and mold therefor |
US5326505A (en) | 1992-12-21 | 1994-07-05 | Johnson & Johnson Vision Products, Inc. | Method for treating an ophthalmic lens mold |
US5894002A (en) | 1993-12-13 | 1999-04-13 | Ciba Vision Corporation | Process and apparatus for the manufacture of a contact lens |
DK0657264T3 (en) * | 1993-12-13 | 2000-02-07 | Novartis Ag | Method and apparatus for making contact lens |
US5804107A (en) * | 1994-06-10 | 1998-09-08 | Johnson & Johnson Vision Products, Inc. | Consolidated contact lens molding |
US5843346A (en) | 1994-06-30 | 1998-12-01 | Polymer Technology Corporation | Method of cast molding contact lenses |
US20060202368A1 (en) | 2005-03-09 | 2006-09-14 | Yasuo Matsuzawa | Method for producing contact lenses |
US20150151500A1 (en) * | 2013-12-03 | 2015-06-04 | Johnson & Johnson Vision Care, Inc. | Method for treating a contact lens mold |
-
2016
- 2016-11-09 CN CN201680072708.5A patent/CN108541232B/en active Active
- 2016-11-09 WO PCT/IB2016/056755 patent/WO2017109600A1/en active Application Filing
- 2016-11-09 US US15/347,150 patent/US10611107B2/en active Active
- 2016-11-09 EP EP16798568.8A patent/EP3393770B1/en active Active
- 2016-11-09 MY MYPI2018701766A patent/MY190699A/en unknown
- 2016-11-09 SG SG11201803719RA patent/SG11201803719RA/en unknown
- 2016-11-09 HU HUE16798568A patent/HUE060759T2/en unknown
Also Published As
Publication number | Publication date |
---|---|
US20170173901A1 (en) | 2017-06-22 |
CN108541232B (en) | 2021-04-09 |
CN108541232A (en) | 2018-09-14 |
EP3393770A1 (en) | 2018-10-31 |
EP3393770B1 (en) | 2022-11-30 |
HUE060759T2 (en) | 2023-04-28 |
US10611107B2 (en) | 2020-04-07 |
WO2017109600A1 (en) | 2017-06-29 |
MY190699A (en) | 2022-05-11 |
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