KR960040331A - 자외선 흡수 콘택트 렌즈의 제조 방법 - Google Patents
자외선 흡수 콘택트 렌즈의 제조 방법 Download PDFInfo
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- KR960040331A KR960040331A KR1019960017595A KR19960017595A KR960040331A KR 960040331 A KR960040331 A KR 960040331A KR 1019960017595 A KR1019960017595 A KR 1019960017595A KR 19960017595 A KR19960017595 A KR 19960017595A KR 960040331 A KR960040331 A KR 960040331A
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- polymer
- monomer solution
- monomer
- methacrylate
- absorber
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- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 229920000642 polymer Polymers 0.000 claims abstract 15
- 239000006096 absorbing agent Substances 0.000 claims abstract 12
- 150000008064 anhydrides Chemical group 0.000 claims abstract 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract 3
- 239000000178 monomer Substances 0.000 claims 26
- 238000000034 method Methods 0.000 claims 21
- 239000000243 solution Substances 0.000 claims 19
- -1 2-hydroxy-4-octyloxyphenyl Chemical group 0.000 claims 16
- 239000000203 mixture Substances 0.000 claims 13
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims 8
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims 8
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims 8
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 claims 4
- IISBACLAFKSPIT-UHFFFAOYSA-N Bisphenol A Natural products C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims 4
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims 4
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 claims 4
- QRIMLDXJAPZHJE-UHFFFAOYSA-N 2,3-dihydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(O)CO QRIMLDXJAPZHJE-UHFFFAOYSA-N 0.000 claims 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 2
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims 2
- GNSFRPWPOGYVLO-UHFFFAOYSA-N 3-hydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCO GNSFRPWPOGYVLO-UHFFFAOYSA-N 0.000 claims 2
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims 2
- 229920002564 Polyethylene Glycol 3500 Polymers 0.000 claims 2
- 229920002571 Polyethylene Glycol 4500 Polymers 0.000 claims 2
- 239000002202 Polyethylene glycol Substances 0.000 claims 2
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 claims 2
- 239000004327 boric acid Substances 0.000 claims 2
- 150000002009 diols Chemical class 0.000 claims 2
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims 2
- 150000002734 metacrylic acid derivatives Chemical class 0.000 claims 2
- DCUFMVPCXCSVNP-UHFFFAOYSA-N methacrylic anhydride Chemical compound CC(=C)C(=O)OC(=O)C(C)=C DCUFMVPCXCSVNP-UHFFFAOYSA-N 0.000 claims 2
- VHRYZQNGTZXDNX-UHFFFAOYSA-N methacryloyl chloride Chemical compound CC(=C)C(Cl)=O VHRYZQNGTZXDNX-UHFFFAOYSA-N 0.000 claims 2
- RBQRWNWVPQDTJJ-UHFFFAOYSA-N methacryloyloxyethyl isocyanate Chemical compound CC(=C)C(=O)OCCN=C=O RBQRWNWVPQDTJJ-UHFFFAOYSA-N 0.000 claims 2
- 229920001223 polyethylene glycol Polymers 0.000 claims 2
- GOZHNJTXLALKRL-UHFFFAOYSA-N (5-benzoyl-2,4-dihydroxyphenyl)-phenylmethanone Chemical compound OC1=CC(O)=C(C(=O)C=2C=CC=CC=2)C=C1C(=O)C1=CC=CC=C1 GOZHNJTXLALKRL-UHFFFAOYSA-N 0.000 claims 1
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 claims 1
- VQVIHDPBMFABCQ-UHFFFAOYSA-N 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione Chemical group C1=C2C(=O)OC(=O)C2=CC(C(C=2C=C3C(=O)OC(=O)C3=CC=2)=O)=C1 VQVIHDPBMFABCQ-UHFFFAOYSA-N 0.000 claims 1
- 239000007983 Tris buffer Substances 0.000 claims 1
- 230000002745 absorbent Effects 0.000 claims 1
- 239000002250 absorbent Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000003085 diluting agent Substances 0.000 claims 1
- 239000000017 hydrogel Substances 0.000 claims 1
- 239000003701 inert diluent Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 125000001145 hydrido group Chemical group *[H] 0.000 abstract 1
- 238000002835 absorbance Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/14—Esterification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/14—Chemical modification with acids, their salts or anhydrides
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
- G02B1/043—Contact lenses
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2810/00—Chemical modification of a polymer
- C08F2810/20—Chemical modification of a polymer leading to a crosslinking, either explicitly or inherently
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2810/00—Chemical modification of a polymer
- C08F2810/30—Chemical modification of a polymer leading to the formation or introduction of aliphatic or alicyclic unsaturated groups
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eyeglasses (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Optical Filters (AREA)
- Glass Compositions (AREA)
- Polymerisation Methods In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
본 발명은 펜던트하이드로식 그룹을 갖고, 내부에 하나이상의 무수물그룹으로 치환된UV흡수제가 분산되어 있으며, 하이드록실 그룹이 UV흡수제상의 무수물그룹과 반응하도록 염기성조건하에 노출되는 렌즈형태의 중합체로부터 자외선 흡수 콘택트렌즈를 제조하는 방법에 관한것이다. 그 결과, UV흡수제는 중합체에 공유에스테르결합의 형성을 통해고정된다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따라 제조된 콘택트렌즈와 통상의 콘택트렌즈를 비교하기 위한 흡광도 대 파장의 도시이다.
Claims (27)
- (a)펜던트 하이드로식 그룹을 갖고 하나이상의 무수물그룹으로 치환된UV-흡수제가 내부에 분산된 렌즈형태의 중합체를 제공하고 ;(b)중합체를 염기성조건하에 노출시켜 하이드록실 그룹을 UV-흡수제상의 무수물그룹과 반응시키고, 이로 인해 UV흡수제가 중합체에 공유결합되는 단계를 포함하는, UV흡수콘택트 렌즈의 제조방법.
- 제1항에 있어서, 단계(a)가 하나 이상의 중합성 하이드록실-치환된 단량체를 포함하는 하나이상의 중합성 단량체를 포함하는 균질단량체 용액을 제공함을 포함하고, 여기서 용액은 UV흡수제의 반응을 유발시키지 않으면서 하나이상의 중합성단량체가 중합되기에 유효한 조건하에 용액내에 분산된 UV흡수제를 함유하는 방법.
- 제1항에 있어서, 단계(a)가 펜던트 하이드록실 그룹을 갖는 렌즈형태의 중합체를 제공하고, UV 흡수제가 중합체에 첨지되기에 유효한 조건하에 중합체를 UV흡수제의 용액과 접촉시킴을 포함하는 방법.
- 제1항에 있어서, UV흡수제가 3, 3′, 4, 4′-벤조페논테트라카복실산 이무수물인방법.
- 제1항에 있어서, UV흡수제가 4,4′-디옥틸옥시옥산일리드, 2, 4, 6-트리스(2-하이드록시-4-옥틸옥시페닐)-1, 3, 5-트리아진, 4-3급-부틸페닐살리실레이트, 디벤조일 레소르시놀 또는 3′-2급-부틸-5′-3급-부틸-2-(2′-하이드록시페닐)벤조트리아졸의 무수물 유도체인방법.
- 제2항에 있어서, 단량체용액이 아크릴산 또는 메타크릴산의 하이드록시알킬 에스테르를 하나 이상 포함하는 방법.
- 제2항에 있어서, 단량체용액이 하이드록시에틸메타크릴레이트를 포함하는 방법.
- 제2항에 있어서, 단량체 용액이 하이드록시에틸아크릴레이트, 2,3-디하이드록시프로필 메타크릴레이트, 하이드록시 프로필메타크릴레이트 및 하이드록시프로필아크릴레이트로 구성되는 그룹중에서 선택된 하나이상의 화합물을 포함하는 방법.
- 제2항에 있어서, 단량체용액이 하이드록시에틸메타크릴레이트 및 메타크릴산을 포함하는 방법.
- 제2항에 있어서, 단량체용액이 하이드록시에틸메타크릴레이트, 메타크릴산 및 에틸렌글리콜 디메타크릴레이트를 포함하는 방법.
- 제2항에 있어서, 단량체용액이 하이드록시에틸메타크릴레이트, 메타크릴산,에틸렌 글리콜 디메타크릴레이트 및 트리메틸올프로판 트리메타크릴레이트를 포함하는 방법.
- 제2항에 있어서, 단량체용액이 α-하이드록시-α,α-디메틸아세토페논을 포함하는 방법.
- 제3항에 있어서, 중합체가 아크릴산 또는 메타크릴산의 하이드록시알킬에스테르를 하나이상 포함하는 단량체혼합물을 공중합시켜 형성되는 방법.
- 제3항에 있어서, 중합체가 하이드록시에틸메타크릴레이트를 포함하는 단량체혼합물을 공중합시켜 형성되는 방법.
- 제3항에 있어서, 중합체가 하이드록시에틸 아크릴레이트, 2,3-디하이드록시프로필 메타크릴레이트, 하이드록시프로필메타크릴레이트 및 하이드록시프로필아크릴레이트를 포함하는 단량체혼합물을 공중합시켜 형성되는 방법.
- 제3항에 있어서, 중합체가 하이드록시에틸메타크릴레이트 및 메타크릴산을 포함하는 단량체혼합물을 공중합시켜 형성하는 방법.
- 제3항에 있어서, 중합체가 하이드록시에틸메타크릴레이트, 메타크릴산 및 에틸렌글리콜 디메타크릴레이트를 포함하는 단량체혼합물을 공중합시켜 형성되는 방법.
- 제3항에 있어서, 중합체가 하이드록시에틸메타크릴레이트, 메타크릴산, 에틸렌글리콜 디메타크릴레이트및 트리메틸올프로판 트리메타크릴레이트를 포함하는 단량체혼합물을 공중합시켜 형성되는 방법.
- 제3항에 있어서, 중합체가 α-하이드록시-α,α-디메틸아세토페논을 포함하는 단량체혼합물을 공중합시켜 형성되는 방법.
- 제2항에 있어서, 단량체 용액이 수치환성 불활성희석제를 포함하는 방법.
- 제2항에 있어서, 단량체용액이 붕산에스테르를 포함하는 방법.
- 제2항에 있어서, 단량체용액이 분자량이 100 내지 8,000인 폴리에틸렌글리콜의 아크릴레이트 및 메타크릴레이트디에스테르, 디올 말단의 하나 또는 각각의 위치에서 1내지 20의 에톡시단위로 에톡실화된 비스페놀 A디올의 아크릴레이트 및 메타크릴레이트 디에스테르, C1-C6지방족 알콜아크릴레이트 및 메타크릴레이트, 퍼플루오로 C1-C6알콜 메타크릴레이트 및 퍼플루오로 C1-C6알콜아크릴레이트로 구성되는 그룹중에서 선택된 하나이상의 화합물을 포함하는 방법.
- 제2항에 있어서, 단량체용액이 이소시아네이토에틸 메타크릴레이트, 메타크릴산 무수물 또는 메타크릴일 클로라이드로 말단-캐핑된, PEG 4500; 에틸렌옥사이드 총 10mol로 에톡실화된 비스페놀 A디올; PEG3500모노메틸에테르 및 도데칸올로 구성되는 그룹중에서 선택된 하나이상의 화합물을 포함하는 방법.
- 제3항에 있어서, 단량체 용액이 수치환성 불활성희석제를 포함하는 방법.
- 제2항에 있어서, 단량체 용액이 붕산에스테르를 포함하는 방법.
- 제3항에 있어서, 단량체 용액이 분자량이 100 내지 8,000인 폴리에틸렌글리콜의 아크릴레이트 및 메타크릴레이트 디에스테르, 디올말단의 하나 또는 각각의 위치에서 1내지 20의 에톡시단위로 에톡실화된 비스페놀 A 디올의 아크릴레이트 및 메타크릴레이트 디에스테르, C1-C6지방족 알콜아크릴레이트 및 메타크릴레이트, 퍼플루오로 C1-C6알콜 메타크릴레이트 및 퍼플루오로 C1-C6알콜 아크릴레이트로 구성되는 그룹중에서 선택된 하나이상의 화합물을 포함하는 방법.
- 제3항에 있어서, 단량체 용액이 이소시아네이토에틸 메타크릴레이트, 메타크릴산 무수물 또는 메타크릴일 클로라이드로 말단-캐핑된, PEG 4500; 에틸렌 옥사이드 총 10mol로 에톡실화된 비스페놀 A디올; PEG3500 모노메틸에테르 및 도데칸올로 구성되는 그룹중에서 선택된 하나 이상의 화합물을 포함하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/449,004 | 1995-05-24 | ||
US08/449,004 US5681871A (en) | 1995-05-24 | 1995-05-24 | Method for preparing ultraviolet radiation absorbing contact lenses |
Publications (1)
Publication Number | Publication Date |
---|---|
KR960040331A true KR960040331A (ko) | 1996-12-17 |
Family
ID=23782485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960017595A KR960040331A (ko) | 1995-05-24 | 1996-05-23 | 자외선 흡수 콘택트 렌즈의 제조 방법 |
Country Status (17)
Country | Link |
---|---|
US (1) | US5681871A (ko) |
EP (1) | EP0744632B1 (ko) |
JP (1) | JP3894984B2 (ko) |
KR (1) | KR960040331A (ko) |
CN (1) | CN1078130C (ko) |
AT (1) | ATE226324T1 (ko) |
AU (1) | AU693676B2 (ko) |
BR (1) | BR9602405A (ko) |
CA (1) | CA2177225C (ko) |
DE (1) | DE69624285T2 (ko) |
HU (1) | HUP9601413A3 (ko) |
IL (1) | IL118228A0 (ko) |
NO (1) | NO962104L (ko) |
NZ (1) | NZ286575A (ko) |
SG (1) | SG81895A1 (ko) |
TW (1) | TW326499B (ko) |
ZA (1) | ZA964143B (ko) |
Cited By (1)
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KR100218315B1 (ko) * | 1996-09-17 | 1999-09-01 | 구본준 | 레벨시프트 회로 |
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- 1995-05-24 US US08/449,004 patent/US5681871A/en not_active Expired - Lifetime
-
1996
- 1996-05-12 IL IL11822896A patent/IL118228A0/xx unknown
- 1996-05-14 NZ NZ286575A patent/NZ286575A/en unknown
- 1996-05-20 SG SG9609838A patent/SG81895A1/en unknown
- 1996-05-21 AU AU52430/96A patent/AU693676B2/en not_active Expired
- 1996-05-23 EP EP96303677A patent/EP0744632B1/en not_active Expired - Lifetime
- 1996-05-23 BR BR9602405A patent/BR9602405A/pt not_active Application Discontinuation
- 1996-05-23 DE DE69624285T patent/DE69624285T2/de not_active Expired - Lifetime
- 1996-05-23 ZA ZA9604143A patent/ZA964143B/xx unknown
- 1996-05-23 AT AT96303677T patent/ATE226324T1/de not_active IP Right Cessation
- 1996-05-23 NO NO962104A patent/NO962104L/no unknown
- 1996-05-23 KR KR1019960017595A patent/KR960040331A/ko not_active Application Discontinuation
- 1996-05-23 CA CA002177225A patent/CA2177225C/en not_active Expired - Lifetime
- 1996-05-23 JP JP15050996A patent/JP3894984B2/ja not_active Expired - Lifetime
- 1996-05-24 HU HU9601413A patent/HUP9601413A3/hu unknown
- 1996-05-24 CN CN96108097A patent/CN1078130C/zh not_active Expired - Lifetime
- 1996-07-22 TW TW085108878A patent/TW326499B/zh active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100218315B1 (ko) * | 1996-09-17 | 1999-09-01 | 구본준 | 레벨시프트 회로 |
Also Published As
Publication number | Publication date |
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ZA964143B (en) | 1997-11-24 |
CN1078130C (zh) | 2002-01-23 |
DE69624285D1 (de) | 2002-11-21 |
CA2177225A1 (en) | 1996-11-25 |
JPH09120042A (ja) | 1997-05-06 |
AU5243096A (en) | 1996-12-05 |
JP3894984B2 (ja) | 2007-03-22 |
SG81895A1 (en) | 2001-07-24 |
DE69624285T2 (de) | 2003-07-03 |
NZ286575A (en) | 1997-10-24 |
NO962104D0 (no) | 1996-05-23 |
CA2177225C (en) | 2008-01-29 |
HUP9601413A2 (en) | 1997-01-28 |
NO962104L (no) | 1996-11-25 |
CN1144738A (zh) | 1997-03-12 |
IL118228A0 (en) | 1996-09-12 |
TW326499B (en) | 1998-02-11 |
ATE226324T1 (de) | 2002-11-15 |
EP0744632B1 (en) | 2002-10-16 |
US5681871A (en) | 1997-10-28 |
EP0744632A1 (en) | 1996-11-27 |
HU9601413D0 (en) | 1996-07-29 |
HUP9601413A3 (en) | 1998-07-28 |
AU693676B2 (en) | 1998-07-02 |
BR9602405A (pt) | 1998-04-22 |
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