GR3007024T3 - - Google Patents
Info
- Publication number
- GR3007024T3 GR3007024T3 GR920402397T GR920402397T GR3007024T3 GR 3007024 T3 GR3007024 T3 GR 3007024T3 GR 920402397 T GR920402397 T GR 920402397T GR 920402397 T GR920402397 T GR 920402397T GR 3007024 T3 GR3007024 T3 GR 3007024T3
- Authority
- GR
- Greece
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/62—Halogen-containing esters
- C07C69/65—Halogen-containing esters of unsaturated acids
- C07C69/653—Acrylic acid esters; Methacrylic acid esters; Haloacrylic acid esters; Halomethacrylic acid esters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/884—Preparations for artificial teeth, for filling teeth or for capping teeth comprising natural or synthetic resins
- A61K6/887—Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/06—Esters of carbamic acids
- C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
- C07C271/10—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C271/16—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by singly-bound oxygen atoms
-
- 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
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F20/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
-
- 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
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
- C08F20/36—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate containing oxygen in addition to the carboxy oxygen, e.g. 2-N-morpholinoethyl (meth)acrylate or 2-isocyanatoethyl (meth)acrylate
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/288—Compounds containing at least one heteroatom other than oxygen or nitrogen
- C08G18/2885—Compounds containing at least one heteroatom other than oxygen or nitrogen containing halogen atoms
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/81—Unsaturated isocyanates or isothiocyanates
- C08G18/8108—Unsaturated isocyanates or isothiocyanates having only one isocyanate or isothiocyanate group
- C08G18/8116—Unsaturated isocyanates or isothiocyanates having only one isocyanate or isothiocyanate group esters of acrylic or alkylacrylic acid having only one isocyanate or isothiocyanate group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Epidemiology (AREA)
- Plastic & Reconstructive Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Preparations (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3841617A DE3841617C1 (OSRAM) | 1988-12-10 | 1988-12-10 | |
| DE3844619A DE3844619A1 (de) | 1988-12-10 | 1988-12-10 | Verwendung von perfluoroalkylgruppen aufweisenden (meth-)acrylsaeureestern in der dentaltechnik |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GR3007024T3 true GR3007024T3 (OSRAM) | 1993-07-30 |
Family
ID=25874996
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GR920403056T GR3006881T3 (OSRAM) | 1988-12-10 | 1993-01-26 | |
| GR920402397T GR3007024T3 (OSRAM) | 1988-12-10 | 1993-02-11 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GR920403056T GR3006881T3 (OSRAM) | 1988-12-10 | 1993-01-26 |
Country Status (5)
| Country | Link |
|---|---|
| EP (2) | EP0373385B1 (OSRAM) |
| JP (2) | JPH0739382B2 (OSRAM) |
| DE (3) | DE3841617C1 (OSRAM) |
| ES (2) | ES2052867T3 (OSRAM) |
| GR (2) | GR3006881T3 (OSRAM) |
Families Citing this family (73)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1270818B (it) * | 1993-04-28 | 1997-05-13 | Ausimont Spa | Coatings a base di perfluoropolieteri contenenti gruppi acrilici |
| US5662887A (en) * | 1994-12-01 | 1997-09-02 | Minnesota Mining And Manufacturing Company | Fluorocarbon containing coatings, compositions and methods of use |
| DE4445266A1 (de) * | 1994-12-19 | 1996-06-20 | Thera Ges Fuer Patente | Fluoridabgebende Composite-Massen |
| FR2749170B1 (fr) * | 1996-05-30 | 1998-08-21 | Bellesort Stephane | Protheses dentaires modifiees en surface et procede d'obtention |
| WO2000049058A1 (en) * | 1999-02-18 | 2000-08-24 | Novartis Ag | New biomaterials |
| DE60005423T2 (de) * | 1999-03-03 | 2004-07-22 | KURARAY CO., LTD, Kurashiki | Unterfütterungsmaterial für Zahnprothesen |
| WO2000078830A1 (en) * | 1999-06-22 | 2000-12-28 | Novartis Ag | Process for the manufacture of moldings |
| US7134875B2 (en) | 2002-06-28 | 2006-11-14 | 3M Innovative Properties Company | Processes for forming dental materials and device |
| US6773261B2 (en) | 2002-06-28 | 2004-08-10 | 3M Innovative Properties Company | Processes for forming dental materials |
| US20040206932A1 (en) | 2002-12-30 | 2004-10-21 | Abuelyaman Ahmed S. | Compositions including polymerizable bisphosphonic acids and methods |
| AU2004266623B8 (en) | 2003-08-12 | 2011-10-27 | 3M Deutschland Gmbh | Self-etching dental compositions and methods |
| US7026367B2 (en) | 2003-09-26 | 2006-04-11 | 3M Innovative Properties Company | Photoiniators having triarylsulfonium and arylsulfinate ions |
| US7030169B2 (en) | 2003-09-26 | 2006-04-18 | 3M Innovative Properties Company | Arylsulfinate salts in initiator systems for polymeric reactions |
| US7250452B2 (en) | 2003-09-26 | 2007-07-31 | 3M Innovative Properties Company | Dental compositions and methods with arylsulfinate salts |
| US7090722B2 (en) | 2004-05-17 | 2006-08-15 | 3M Innovative Properties Company | Acid-reactive dental fillers, compositions, and methods |
| US7156911B2 (en) | 2004-05-17 | 2007-01-02 | 3M Innovative Properties Company | Dental compositions containing nanofillers and related methods |
| US7090721B2 (en) | 2004-05-17 | 2006-08-15 | 3M Innovative Properties Company | Use of nanoparticles to adjust refractive index of dental compositions |
| US7649029B2 (en) | 2004-05-17 | 2010-01-19 | 3M Innovative Properties Company | Dental compositions containing nanozirconia fillers |
| JP5214242B2 (ja) | 2004-07-08 | 2013-06-19 | スリーエム イノベイティブ プロパティズ カンパニー | 歯科用の方法、組成物、および酸感受性色素を含むキット |
| CA2573716A1 (en) | 2004-07-14 | 2006-02-23 | 3M Innovative Properties Company | Dental compositions containing carbosilane monomers |
| WO2006019796A1 (en) | 2004-07-14 | 2006-02-23 | 3M Innovative Properties Company | Dental compositions conataining carbosilane polymers |
| US8722760B2 (en) | 2004-08-11 | 2014-05-13 | 3M Innovative Properties Company | Self-adhesive compositions including a plurality of acidic compounds |
| EP1811942B1 (en) | 2004-11-16 | 2011-10-05 | 3M Innovative Properties Company | Dental compositions with calcium phosphorus releasing glass |
| AU2005306867B2 (en) | 2004-11-16 | 2011-09-08 | 3M Innovative Properties Company | Dental fillers and compositions including phosphate salts |
| ATE480214T1 (de) | 2004-11-16 | 2010-09-15 | 3M Innovative Properties Co | Dentalfüllstoffe, verfahren, zusammensetzungen mit einem caseinat |
| US8710114B2 (en) | 2004-11-16 | 2014-04-29 | 3M Innovative Properties Company | Dental fillers including a phosphorus containing surface treatment, and compositions and methods thereof |
| CA2607695C (en) | 2005-05-09 | 2013-12-24 | 3M Innovative Properties Company | Dental compositions containing hybrid monomers |
| US20090012209A1 (en) | 2005-08-05 | 2009-01-08 | Gunther Eckhardt | Dental compositions containing a surface-modified filler |
| EP1787627A1 (en) | 2005-11-17 | 2007-05-23 | 3M Innovative Properties Company | Anti-microbial dental impression material |
| US8026296B2 (en) | 2005-12-20 | 2011-09-27 | 3M Innovative Properties Company | Dental compositions including a thermally labile component, and the use thereof |
| US7776940B2 (en) | 2005-12-20 | 2010-08-17 | 3M Innovative Properties Company | Methods for reducing bond strengths, dental compositions, and the use thereof |
| US7896650B2 (en) | 2005-12-20 | 2011-03-01 | 3M Innovative Properties Company | Dental compositions including radiation-to-heat converters, and the use thereof |
| US9993393B2 (en) | 2005-12-29 | 2018-06-12 | 3M Innovative Properties Company | Dental compositions and initiator systems with polycyclic aromatic component |
| EP1968528B1 (en) | 2005-12-29 | 2016-02-17 | 3M Innovative Properties Company | Dental compositions with surface-treated filler for shelf stability |
| ATE477283T1 (de) | 2006-05-31 | 2010-08-15 | 3M Innovative Properties Co | Polymerisierbare zusammensetzungen enthaltend salze aus barbitursäure-derivaten |
| EP2377507B1 (en) | 2006-09-13 | 2013-04-24 | 3M Innovative Properties Company | Dental compositions including organogelators, products, and methods |
| US9539065B2 (en) | 2006-10-23 | 2017-01-10 | 3M Innovative Properties Company | Assemblies, methods, and kits including a compressible material |
| US20080096150A1 (en) | 2006-10-23 | 2008-04-24 | 3M Innovative Properties Company | Dental articles, methods, and kits including a compressible material |
| JP5507256B2 (ja) | 2006-12-13 | 2014-05-28 | スリーエム イノベイティブ プロパティズ カンパニー | 酸性成分及び光退色性染料を有する歯科用組成物の使用方法 |
| US8647426B2 (en) | 2006-12-28 | 2014-02-11 | 3M Innovative Properties Company | Dental filler and methods |
| WO2008083067A2 (en) | 2006-12-28 | 2008-07-10 | 3M Innovative Properties Company | Dental compositions with natural tooth fluorescence |
| JP5465537B2 (ja) | 2006-12-28 | 2014-04-09 | スリーエム イノベイティブ プロパティズ カンパニー | 硬組織用接着剤組成物 |
| EP2203144A2 (en) | 2007-10-01 | 2010-07-07 | 3M Innovative Properties Company | Orthodontic composition with polymeric fillers |
| CN102112097B (zh) | 2007-11-01 | 2013-08-07 | 3M创新有限公司 | 牙科组合物以及具有颜色稳定的胺电子供体的引发剂系统 |
| WO2009075977A1 (en) | 2007-12-13 | 2009-06-18 | 3M Innovative Properties Company | Orthodontic article having partially hardened composition and method of its use and manufacture |
| WO2010045096A2 (en) | 2008-10-15 | 2010-04-22 | 3M Innovative Properties Company | Dental compositions with fluorescent pigment |
| JP5661040B2 (ja) | 2008-10-15 | 2015-01-28 | スリーエム イノベイティブ プロパティズ カンパニー | ジルコニア及びシリカナノ粒子を含む充填剤、並びにコンポジット材料 |
| US8790707B2 (en) | 2008-12-11 | 2014-07-29 | 3M Innovative Properties Company | Surface-treated calcium phosphate particles suitable for oral care and dental compositions |
| US20130137064A1 (en) | 2010-08-11 | 2013-05-30 | 3M Innovative Properties Company | Coated dental crowns and method of making the same |
| US9370404B2 (en) | 2010-08-11 | 2016-06-21 | Bhaskar V. Velamakanni | Aesthetic and abrasion resistant coated dental articles and methods of making the same |
| US20130130203A1 (en) | 2010-08-11 | 2013-05-23 | 3M Innovative Properties Company | Polymer coated dental articles and method of making the same |
| CN103281986B (zh) | 2010-12-30 | 2016-08-17 | 3M创新有限公司 | 包括可压缩材料的可粘合牙科用组件和方法 |
| US20140017637A1 (en) | 2011-03-24 | 2014-01-16 | 3M Iinnovative Properties Company | Dental adhesive comprising a coated polymeric component |
| JP6420819B2 (ja) | 2013-03-19 | 2018-11-07 | スリーエム イノベイティブ プロパティズ カンパニー | フリーラジカル重合法及びそれによる物品 |
| WO2014209680A2 (en) | 2013-06-28 | 2014-12-31 | 3M Innovative Properties Company | Acid-modified nanoparticles, dual part polymerizable compositions, and methods |
| EP3052050B1 (en) | 2013-10-04 | 2021-07-28 | 3M Innovative Properties Company | Dental mill blank |
| US20170190937A1 (en) | 2014-06-24 | 2017-07-06 | 3M Innovative Properties Company | Adhesive precursor composition, two-part adhesive kit, and method of making an adhesive composition |
| CN106536578B (zh) | 2014-07-22 | 2020-03-17 | 3M创新有限公司 | 自由基聚合方法和由此而得的制品 |
| EP3194455B1 (en) | 2014-09-16 | 2019-02-06 | 3M Innovative Properties Company | Free-radical polymerization methods and articles thereby |
| JP6695332B2 (ja) | 2014-09-30 | 2020-05-20 | スリーエム イノベイティブ プロパティズ カンパニー | フリーラジカル重合方法及びそれによる物品 |
| WO2016105974A1 (en) | 2014-12-22 | 2016-06-30 | 3M Innovative Properties Company | Sterically hindered amine and oxyalkyl amine light stabilizers |
| WO2016105993A1 (en) | 2014-12-22 | 2016-06-30 | 3M Innovative Properties Company | Sterically hindered alkyl and oxyalkyl amine light stabilizers |
| WO2016140950A1 (en) | 2015-03-05 | 2016-09-09 | 3M Innovative Properties Company | Composite material having ceramic fibers |
| JP6497350B2 (ja) * | 2016-04-15 | 2019-04-10 | 信越化学工業株式会社 | 含フッ素アクリル組成物及びその製造方法、含フッ素活性エネルギー線硬化性組成物並びに物品 |
| WO2021191773A1 (en) | 2020-03-25 | 2021-09-30 | 3M Innovative Properties Company | Dental appliance with graphic image |
| US11970596B2 (en) | 2020-09-25 | 2024-04-30 | 3M Innovative Properties Company | Photopolymerizable compositions and reaction products thereof |
| EP4271322A1 (en) | 2020-12-30 | 2023-11-08 | 3M Innovative Properties Company | Bondable orthodontic assemblies and methods for bonding |
| WO2022162488A1 (en) | 2021-01-29 | 2022-08-04 | 3M Innovative Properties Company | Dental appliances from multilayer films having discrete structures covered by an ion permeable release layer |
| EP4308571A1 (en) | 2021-03-17 | 2024-01-24 | 3M Innovative Properties Company | Polymerizable 4,4'-spirobi[chromane]-2,2'-diones and curable compositions including the same |
| EP4355794A1 (en) | 2021-06-16 | 2024-04-24 | 3M Innovative Properties Company | Free-radically polymerizable copolymer, free-radically polymerizable composition containing the same, and polymerized reaction product therefrom |
| US20240343848A1 (en) | 2021-09-01 | 2024-10-17 | 3M Innovative Properties Company | Free-radically polymerizable composition, method of polymerizing the same, and polymerized composition |
| WO2023073444A1 (en) | 2021-10-28 | 2023-05-04 | 3M Innovative Properties Company | Photopolymerizable composition, methods of bonding and sealing, and at least partially polymerized composition |
| CN118525068A (zh) | 2021-12-14 | 2024-08-20 | 3M创新有限公司 | 粘合剂组合物的可固化前体 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL266570A (OSRAM) * | 1960-07-09 | |||
| CH1753669D (OSRAM) * | 1968-11-25 | |||
| US3660360A (en) * | 1970-06-24 | 1972-05-02 | Nat Starch Chem Corp | Water- and oil repellency agents |
| US4508916A (en) * | 1979-04-11 | 1985-04-02 | Minnesota Mining And Manufacturing Company | Curable substituted urethane acrylates |
| JPS60146810A (ja) * | 1984-01-05 | 1985-08-02 | Kureha Chem Ind Co Ltd | 軟質義歯床裏装材料 |
| US4616073A (en) * | 1984-08-09 | 1986-10-07 | The United States Of America As Represented By The Department Of Health And Human Services | Hydrophobic dental composites based on a polyfluorinated dental resin |
| US4612356A (en) * | 1984-10-01 | 1986-09-16 | Ciba-Geigy Corporation | Homo- and co- (addition) polymers of di-perfluoroalkyl carbamyl group containing (meth) acrylate monomers |
| JPS61111309A (ja) * | 1984-11-02 | 1986-05-29 | Daikin Ind Ltd | α−フルオロアクリル酸誘導体ポリマ− |
| IT1185520B (it) * | 1985-02-22 | 1987-11-12 | Montefluos Spa | Poliacrilati e poliacrilammidi fluorurati a grado di reticolazione controllato e loro procedimento di preparazione |
| JPH01305052A (ja) * | 1988-06-01 | 1989-12-08 | Nippon Oil & Fats Co Ltd | ポリフルオロアルキルポリオキシアルキレン（メタ）アクリレート |
-
1988
- 1988-12-10 DE DE3841617A patent/DE3841617C1/de not_active Expired - Lifetime
- 1988-12-10 DE DE3844619A patent/DE3844619A1/de not_active Ceased
-
1989
- 1989-11-20 DE DE8989121424T patent/DE58903288D1/de not_active Expired - Fee Related
- 1989-11-20 ES ES89121422T patent/ES2052867T3/es not_active Expired - Lifetime
- 1989-11-20 EP EP89121424A patent/EP0373385B1/de not_active Expired - Lifetime
- 1989-11-20 EP EP89121422A patent/EP0373384B1/de not_active Expired - Lifetime
- 1989-11-20 ES ES89121424T patent/ES2053923T3/es not_active Expired - Lifetime
- 1989-12-11 JP JP1319069A patent/JPH0739382B2/ja not_active Expired - Lifetime
- 1989-12-11 JP JP1319070A patent/JPH0791172B2/ja not_active Expired - Lifetime
-
1993
- 1993-01-26 GR GR920403056T patent/GR3006881T3/el unknown
- 1993-02-11 GR GR920402397T patent/GR3007024T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0373384A1 (de) | 1990-06-20 |
| JPH02202866A (ja) | 1990-08-10 |
| JPH02202850A (ja) | 1990-08-10 |
| DE3841617C1 (OSRAM) | 1990-05-10 |
| DE58903288D1 (de) | 1993-02-25 |
| EP0373384B1 (de) | 1992-10-28 |
| JPH0791172B2 (ja) | 1995-10-04 |
| DE3844619A1 (de) | 1990-07-12 |
| JPH0739382B2 (ja) | 1995-05-01 |
| ES2052867T3 (es) | 1994-07-16 |
| EP0373385A1 (de) | 1990-06-20 |
| ES2053923T3 (es) | 1994-08-01 |
| EP0373385B1 (de) | 1993-01-13 |
| GR3006881T3 (OSRAM) | 1993-06-30 |