KR890014689A - 실리 2-아미도아세테이트 및 실릴 3-아미도프로 피오네이트 조성물 - Google Patents
실리 2-아미도아세테이트 및 실릴 3-아미도프로 피오네이트 조성물 Download PDFInfo
- Publication number
- KR890014689A KR890014689A KR1019890003237A KR890003237A KR890014689A KR 890014689 A KR890014689 A KR 890014689A KR 1019890003237 A KR1019890003237 A KR 1019890003237A KR 890003237 A KR890003237 A KR 890003237A KR 890014689 A KR890014689 A KR 890014689A
- Authority
- KR
- South Korea
- Prior art keywords
- composition
- azlactone
- group
- aryl
- silyl
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims 9
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 title 1
- IEJPPSMHUUQABK-UHFFFAOYSA-N 2,4-diphenyl-4h-1,3-oxazol-5-one Chemical compound O=C1OC(C=2C=CC=CC=2)=NC1C1=CC=CC=C1 IEJPPSMHUUQABK-UHFFFAOYSA-N 0.000 claims 7
- 125000003118 aryl group Chemical group 0.000 claims 6
- 125000000217 alkyl group Chemical group 0.000 claims 5
- 125000000524 functional group Chemical group 0.000 claims 4
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 claims 4
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 claims 4
- 239000013307 optical fiber Substances 0.000 claims 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 2
- 229910052782 aluminium Inorganic materials 0.000 claims 2
- 229910052796 boron Inorganic materials 0.000 claims 2
- 125000004122 cyclic group Chemical group 0.000 claims 2
- 125000000753 cycloalkyl group Chemical group 0.000 claims 2
- 229910052739 hydrogen Inorganic materials 0.000 claims 2
- 239000001257 hydrogen Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 229910052698 phosphorus Inorganic materials 0.000 claims 2
- 239000011574 phosphorus Substances 0.000 claims 2
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical group [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 1
- MDYWVERMLMSYEC-UHFFFAOYSA-N N=C=O.N=C=O Chemical compound N=C=O.N=C=O MDYWVERMLMSYEC-UHFFFAOYSA-N 0.000 claims 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
- QMYYTRKPOYDXKT-UHFFFAOYSA-N [O-][N+](=O)S(=O)[N+]([O-])=O Chemical compound [O-][N+](=O)S(=O)[N+]([O-])=O QMYYTRKPOYDXKT-UHFFFAOYSA-N 0.000 claims 1
- 150000001408 amides Chemical class 0.000 claims 1
- 125000003710 aryl alkyl group Chemical group 0.000 claims 1
- 125000004429 atom Chemical group 0.000 claims 1
- 150000001540 azides Chemical class 0.000 claims 1
- 230000001588 bifunctional effect Effects 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 238000005253 cladding Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims 1
- 125000005647 linker group Chemical group 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 239000011733 molybdenum Substances 0.000 claims 1
- 239000000178 monomer Substances 0.000 claims 1
- 150000002825 nitriles Chemical class 0.000 claims 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- -1 polysiloxane Polymers 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 125000001424 substituent group Chemical group 0.000 claims 1
- 150000003457 sulfones Chemical class 0.000 claims 1
- 150000003512 tertiary amines Chemical class 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/38—Polysiloxanes modified by chemical after-treatment
- C08G77/382—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon
- C08G77/388—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/104—Coating to obtain optical fibres
- C03C25/105—Organic claddings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1896—Compounds having one or more Si-O-acyl linkages
-
- 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
- G02B1/045—Light guides
-
- G02B1/105—
-
- 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
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/111—Anti-reflection coatings using layers comprising organic materials
-
- 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
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Silicon Polymers (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Paints Or Removers (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (10)
- 적어도 하나의 실릴 2-아미도 아세테이트 및 실릴 3-아미도프로 피오네이를 포함하는 조성물.
- 제1항에 있어서, 하기 일반식을 가지는 적어도 하나의 실릴 2-아미도아세테이트 및 실릴 3-아미도아세테이트를 포함하는 조성물.상기식에서, R1, R2및 R3는 최대로 두관능기가 아릴인 것의 조건하에서 서로동일기 또는 상이한기이며, 알킬, 및 아릴, 히드록시 및 실릴옥시기로 구성되는 그룹으로부터 선택되며, R4및 R5는 각각 수소 혹은 저급 알킬이고, n은 0 혹은 1이고, R6및 R7은 각각 알킬 혹은 사이클로알킬기, 아릴 혹은 사이클로알킬기, 아릴 혹은 아랄킬기이고 혹은 R6및 R7중 하나만이 아릴일 수 있다는 조건으로 하여, 그것들이 연결된 탄소원자와 함께 4 내지 12개의 고리인자를 포함하는 카보사이클 고리를 형성하고, G는 m이 적어도 2일때는 아즐락톤과 반응하지 않은 다등가의 연결기이거나 p=m=1일때는 아즐락톤과 반응하지 않는 1등가의 말단기이고, m은 1부터 p까지 자연수일 수 있고, p는 사이클릭 아마이딘의 촉매적으로 효과적인 양을 임의로 가질 수 있는 1부터 무한수까지의 자연수이다.
- 제2항에 있어서, 적어도 하나의 R1, R2및 R3가 가용성 혹은 불용성 실릴옥시기인 조성물.
- 제 3항에 있어서, 상기 가용성 실릴옥시기가 폴리실옥산이고, 상기 불용성 실리옥시기가 실리카 망상구조는 적어도 하나의 붕소, 인, 지르코늄, 롤리브데늄 및 알루미늄의 공중합체적 산화물에 임의로 산재되어 있거나 혹은 상기 망상 구조는 알루미늄, 나트륨, 인, 붕소, 몰리브데늄 및 마그네슘 원자클 구성하는 관능기로부터 선택된 적어도 하나의 원자를 임의로 더 포함하는 조성물.
- 제 2항 내지 제 4항중 어느 한항에 있어서, G는 알킬, 아릴, 아마이드, 에스테르, 니트릴, 니트로, 설폭사이드, 설폰, 아자이드, 이소시아네이트 이소시오시아 네이트, 3급아민, 에테르, 우레탄, 4급 암모늄 및 포스포늄, 할로겐 등으로부터 선택된 적어도 하나의 기능기를 구성하고, 치환체를 필요로 하는 상기 기능기를 상기 기능기의 효과를 차폐하지 않도록 적절한 혹은 저급 알킬인 곳에서 수소와 치환되는 조성물.
- 제1항의 조성물을 포함하는 광섬유.
- 제6항에 있어서, 상기 조성물이 실라놀 함유 섬유 코아 및 아즐락톤 함유 클래딩의 반응 생성물인 광섬유.
- 아즐락톤 단량체 혹은 중합체를 포함하는 조성물을 사용하여 유리섬유를 코팅하는 단계를 포함하는, 제7항의 피착된(cladded) 광섬유를 제조하는 방법.
- 촉매적으로 효과적인 양의 사이클릭 아마이딘의 임의의 존재하에서, 실라놀 및 아즐락톤을 반응시키는 단계를 포함하는 제1항의 조성물을 제조하는 방법.
- 제9항에 있어서, 상기 아즐락톤이 단일 아즐락톤 혹은 폴리아즐락톤인 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US169377 | 1988-03-17 | ||
US07/169,377 US4852969A (en) | 1988-03-17 | 1988-03-17 | Silyl 2-amidoacetate and silyl 3-amidopropionate compositions and optical fiber made therefrom |
Publications (1)
Publication Number | Publication Date |
---|---|
KR890014689A true KR890014689A (ko) | 1989-10-25 |
Family
ID=22615420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890003237A KR890014689A (ko) | 1988-03-17 | 1989-03-16 | 실리 2-아미도아세테이트 및 실릴 3-아미도프로 피오네이트 조성물 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4852969A (ko) |
EP (1) | EP0333361A3 (ko) |
JP (1) | JPH01301686A (ko) |
KR (1) | KR890014689A (ko) |
AU (1) | AU614333B2 (ko) |
CA (1) | CA1340135C (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2022615A1 (en) * | 1989-09-22 | 1991-03-23 | Kanta Kumar | Hydrosilated azlactone functional silicon containing compounds and derivatives thereof |
US5147957A (en) * | 1989-09-22 | 1992-09-15 | Minnesota Mining And Manufacturing Company | Hydrosilated azlactone functional silicon containing compounds and derivatives thereof |
US5157108A (en) * | 1989-12-12 | 1992-10-20 | Minnesota Mining And Manufacturing Company | Thermally sensitive linkages |
US5149806A (en) * | 1990-03-28 | 1992-09-22 | Minnesota Mining And Manufacturing Company | Azlactone michael adducts |
US5268473A (en) * | 1990-03-28 | 1993-12-07 | Minnesota Mining And Manufacturing Company | Azlactone Michael adducts |
US5292514A (en) * | 1992-06-24 | 1994-03-08 | Minnesota Mining And Manufacturing Company | Azlactone-functional substrates, corneal prostheses, and manufacture and use thereof |
US5705585A (en) * | 1993-06-30 | 1998-01-06 | Arqule, Inc. | Aminimide-containing molecules and materials as molecular recognition agents |
WO1995018627A1 (en) * | 1994-01-05 | 1995-07-13 | Arqule, Inc. | Method of making polymers having specific properties |
US7034110B2 (en) * | 1994-01-05 | 2006-04-25 | Arqule, Inc. | Method of identifying chemical compounds having selected properties for a particular application |
US5639843A (en) * | 1994-01-12 | 1997-06-17 | Minnesota Mining And Manufacturing Company | Organometallic acrylamide compositions and methods for making same, including antifouling agents and usage thereof |
US5734082A (en) * | 1994-10-20 | 1998-03-31 | Arqule Inc. | Hydroxyethyl aminimides |
US5712171A (en) * | 1995-01-20 | 1998-01-27 | Arqule, Inc. | Method of generating a plurality of chemical compounds in a spatially arranged array |
WO1996031263A1 (en) * | 1995-04-06 | 1996-10-10 | Arqule, Inc. | Method for rapid purification, analysis and characterization of collections of chemical compounds |
US5962412A (en) * | 1996-06-10 | 1999-10-05 | Arqule, Inc. | Method of making polymers having specific properties |
AUPQ197899A0 (en) * | 1999-08-02 | 1999-08-26 | Commonwealth Scientific And Industrial Research Organisation | Biomedical compositions |
AU2002950469A0 (en) * | 2002-07-30 | 2002-09-12 | Commonwealth Scientific And Industrial Research Organisation | Improved biomedical compositions |
US7483610B2 (en) * | 2004-05-03 | 2009-01-27 | Nufern | Optical fiber having reduced defect density |
CN101541271B (zh) | 2006-05-03 | 2012-10-31 | 视力Crc有限公司 | 置换材料的产生方法及其用途,眼内晶体屈光率测定法,和眼内晶体 |
CN101437876B (zh) * | 2006-05-03 | 2012-07-04 | 视力Crc有限公司 | 生物聚硅氧烷 |
JP2008177094A (ja) * | 2007-01-19 | 2008-07-31 | Yazaki Corp | スイッチ |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2827440A (en) * | 1956-12-13 | 1958-03-18 | Thatcher Glass Mfg Company Inc | Organopolysiloxane coating composition and method for coating glass therewith |
GB1583142A (en) * | 1976-05-12 | 1981-01-21 | Ici Ltd | Process for the preparation of polymer dispersions |
CA1221795A (en) * | 1982-02-24 | 1987-05-12 | Bolesh J. Skutnik | Optical fiber cladding |
US4496210A (en) * | 1982-07-19 | 1985-01-29 | Desoto, Inc. | Low temperature-flexible radiation-curable unsaturated polysiloxane coated fiber optic |
US4495361A (en) * | 1983-04-29 | 1985-01-22 | Bausch & Lomb Incorporated | Polysiloxane composition with improved surface wetting characteristics and biomedical devices made thereof |
US4695608A (en) * | 1984-03-29 | 1987-09-22 | Minnesota Mining And Manufacturing Company | Continuous process for making polymers having pendant azlactone or macromolecular moieties |
US4874822A (en) * | 1988-04-07 | 1989-10-17 | Minnesota Mining And Manufacturing Company | Process for the acrylamidoacylation of alcohols |
-
1988
- 1988-03-17 US US07/169,377 patent/US4852969A/en not_active Expired - Lifetime
-
1989
- 1989-02-17 AU AU30080/89A patent/AU614333B2/en not_active Ceased
- 1989-02-20 CA CA000591515A patent/CA1340135C/en not_active Expired - Fee Related
- 1989-03-06 EP EP19890302202 patent/EP0333361A3/en not_active Withdrawn
- 1989-03-16 KR KR1019890003237A patent/KR890014689A/ko not_active Application Discontinuation
- 1989-03-16 JP JP1064894A patent/JPH01301686A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU614333B2 (en) | 1991-08-29 |
EP0333361A3 (en) | 1990-10-24 |
US4852969A (en) | 1989-08-01 |
EP0333361A2 (en) | 1989-09-20 |
CA1340135C (en) | 1998-11-17 |
AU3008089A (en) | 1989-09-21 |
JPH01301686A (ja) | 1989-12-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR890014689A (ko) | 실리 2-아미도아세테이트 및 실릴 3-아미도프로 피오네이트 조성물 | |
KR860008192A (ko) | 경화성 오르가노폴리실록산 조성물 | |
KR830007737A (ko) | 알킬렌-알킬 아크릴레이트의 실란개질된 혼성중합체를 제조하는 방법 | |
KR920701306A (ko) | 폴리카르보네이트-폴리디메틸실옥산 혼성중합체 및 그 제조방법 | |
KR870000481A (ko) | 섬유 처리제 | |
KR830004353A (ko) | 메르캅토오르가노 폴리실록산 및 이를 함유한 경화성 조성물 | |
KR870011321A (ko) | 합성섬유용 처리제 | |
JPS55130844A (en) | Coating agent for light communicating glass fiber | |
KR880002817A (ko) | 히드록시알킬 카르바메이트와 그 제조방법 및 용도 | |
ES8403151A1 (es) | Procedimiento de fabricacion de puntas para diversas industrias, tal como la industria del automovil. | |
KR890006912A (ko) | 직물 피복 조성물 | |
KR880002949A (ko) | 이형 필름용 실리콘 조성물 | |
KR870006039A (ko) | 신규 티아졸 화합물, 그 제조방법 및 이 화합물을 함유하는 약학적 조성물 | |
EP0392877A3 (en) | Room temperature curable organopolysiloxane composition | |
KR830002853A (ko) | 억제된 경화용 용매부재 유기폴리실록산 조성물 | |
KR870002213A (ko) | 도료 조성물 | |
KR920005734A (ko) | 오르가노폴리실록산 조성물 및 그의 경화물 | |
KR870010124A (ko) | 이형 필름용 실리콘 조성물 | |
KR850003156A (ko) | 백금족 금속 촉매로 구성된 케톤 억제제 및 이를 함유하는 유기폴리실록산 조성물 | |
EP0262806A3 (en) | Organosilicon compound | |
KR890006744A (ko) | 에폭시 수지 조성물 | |
KR900006448A (ko) | 반도체 칩의 내부 피막용 수지 조성물 | |
KR920012302A (ko) | 일 액형 열 경화성 오르가노폴리실록산 조성물 | |
KR880009092A (ko) | 메틸실록산 조성물 | |
KR850008149A (ko) | 코팅된 석영 광통신 섬유의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |