FI87454B - Polycykliska aromatiska derivat, deras framstaellningsfoerfarande och tillaempning inom kosmetik. - Google Patents
Polycykliska aromatiska derivat, deras framstaellningsfoerfarande och tillaempning inom kosmetik. Download PDFInfo
- Publication number
- FI87454B FI87454B FI863036A FI863036A FI87454B FI 87454 B FI87454 B FI 87454B FI 863036 A FI863036 A FI 863036A FI 863036 A FI863036 A FI 863036A FI 87454 B FI87454 B FI 87454B
- Authority
- FI
- Finland
- Prior art keywords
- radical
- tetrahydro
- tetramethyl
- benzoic acid
- anthracenyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C65/21—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups
- C07C65/24—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups polycyclic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/33—Polycyclic acids
- C07C63/331—Polycyclic acids with all carboxyl groups bound to non-condensed rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/33—Polycyclic acids
- C07C63/49—Polycyclic acids containing rings other than six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/68—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/78—Ring systems having three or more relevant rings
- C07D311/92—Naphthopyrans; Hydrogenated naphthopyrans
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D333/38—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ophthalmology & Optometry (AREA)
- Dermatology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cosmetics (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Saccharide Compounds (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Furan Compounds (AREA)
Claims (7)
1. Polycykliska aromatiska föreningar, kanne-tecknade av att de kan beskrivas med den allmänna formeln: r.-λ / Vr3 (1) ·...* där: ; .·' X betecknar -CH=CH-, 0 eller S, :Ri och R2, som kan vara identiska eller olika, betecknar en väteatom, en hydroxylgrupp, en alkylradikal, som är lin-jär eller grenad och innehäller 1-15 kolatomer, en alkoxi-radikal med 1-6 kolatomer, 1-adamantyl eller R^ och R2 tillsammans med närbelägna kolatomer i naftylringen bildar en ring med 5 eller 6 kedjeled som eventuellt är substi- 43 87454 tuerad med ätminstone en lägre alkylradikal eller innehäl-ler i ringen en syreatom, R3 betecknar radikalen -CH2OH eller -COR4 eller radlkalen -CH3, i det fall dä R^ och R2 tillsammans bildar en ring med 5 eller 6 kedjeled, r' / R4 betecknar gruppen -OR5 eller gruppen -N r" R5 betecknar en väteatom, en alkylradikal med 1-6 kolato-mer eller en lägre monohydroxialkylradikal och r' och r" betecknar en väteatom eller en lägre alkylradikal eller tillsammans bildar en morfolinring, förutsatt att R^ och R2 inte utgörs av en väteatom dä X betecknar S och R3 betecknar -C00CH3, varvid föreningarna även omfattar salterna av polycykliska aromatiska derivat med formel (I).
2. Föreningar enligt patentkravet 1, känneteck-n a d e av att de väljes frän en grupp bestäende av: - p-(6-tert-butyl-2-naftyl)-bensoesyra, - p-(5,6,7,8-tetrahydro-5,5,8,8-tetrametyl-2-antracenyl)-bensoesyra och dess etylester, - p-(5,6,7,8-tetrahydro-5,5,8,8-tetrametyl-2-antracenyl)-bensylalkohol, - p-[7-(l-adamantyl)-6-metoxi-2-naftylj-bensoesyra och dess metylester, - p-(7-tert-butyl-6-metoxi-2-naftyl)-bensoesyra och dess metylester, - p-[7-(1-adamantyl)-6-hydroxi-2-naftyl]-bensoesyra och dess metylester, - 5-(5,6,7,8-tetrahydro-5,5,8,8-tetrametyl-2-antracenyl)-2-furankarboxylsyra och dess metylester, - 5-(5,6,7,8-tetrahydro-5,5,8,8-tetrametyl-2-antracenyl)-2-tiofenkarboxylsyra och dess metylester, - 5-(5,6,7,8-tetrahydro-5,5,8,8-tetrametyl-2-antracenyl)-2-furankarboxylssyras etylamid, 44 87 454 - 5-(5,6,7,8-tetrahydro-5,5,8,8-tetrametyl-2-antracenyl)-2-furankarboxylsyras morfolid, - 5-(5,6,7,8-tetrahydro-5,5,8,8-tetrametyl-2-antracenyl)-2-furankarboxylat av 2-hydroxietyl, och - p-[3,4(2H)-dihydro-4,4,-dimetyl-7-nafto(2,3-b)-pyranylJ-bensoesyra och dess metylester.
3. Förfarande för fraraställning av föreningar med formel (I),kännetecknat av att det omfattar följande st eg: 1°) genom ett reaktion av typen Wittig eller Wittig-Horner fär en aromatisk aldehyd med formel: f 1V:^XV-CH=0 där och R2 har samma betydelser som i patentkrav 1, rea-gera med ett pentavalent fosforderivat med formel: 1/ C00R5 R0 V. s RO där: X och R5 har samma betydelser sora i patentkrav 1, A betecknar antingen (i) gruppen - p[.X'J 3++Y~, där X' betecknar en arylgrupp och Y är en anjon av en organisk eller oorganisk syra eller (ii) gruppen P[z]2/ 0 varvid Z betecknar en alkoxigrupp, .. och R och R' betecknar en lägre alkylradikal eller tillsam- mans bildar en dioxan- eller dioxolanring, och 2°) man genomför en cykliserings-aromatiseringsreaktion med den erhällna mellanprodukten i ett klorerat lösningsmedel 45 87454 i närvaro av en sur katalysator, varvid nämnda reaktion eventuellt genomföres under UV-besträlning.
4. Förfarande för framställning av föreningar med formel (I),kännetecknat av att det omfattar följande steg: 1°) reaktion av typen Wittig eller Wittig-Horner varvid en aromatisk aldehyd med formel: fär reagera med ett pentavalent fosforderivat med formeln: där: Rx, R2f A, R ooh R' har samma betydelser som i patentkrav 3, 2°) mellanprodukten med formeln: r~o? "sR2 OR' fär reagera med en halogen-ester med formeln Χχ--C02R5 där X och R5 har samma betydelser som i patentkrav 1 och Χχ betecknar Cl eller Br, 3°) man genomför en cykliserings-aromatiseringsreaktion med den erhällna produkten. 46 87454
5. Syntes-mellanprodukter, kännetecknade av att de motsvarar följande formel: Ri ,___ CH=Y XX där s Rl och R2 har Sainina betydelser som i patentkravet 1, Y betecknar radikalen: K \ 1 C RO r ' rr varvid K betecknar en väteatom eller radikalen: —co2r5 X varvid X och R5 har samma betydelser som i patentkravet 1 och R och R' betecknar en alkylradikal eller tillsammans bildar en dioxan- eller dioxolanring.
6. Kosmetisk komposition för kropps- och härhygien, ... kännetecknad av att den i en lämplig kosmetisk bärare innehäller minst en aktiv förening med formel (I) • eller ett sait därav enligt patentkravet 1 eller 2.
7. Kosmetisk komposition enligt patentkravet 6, k ä n -netecknad av att den innehäller frän 0,00001 tili 2 % och företrädesvis frän 0,0001 till 1 vikt-% av den ak-tiva föreningen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU86022A LU86022A1 (fr) | 1985-07-25 | 1985-07-25 | Derives aromatiques polycyliques,leur procede de preparation et leur application dans les domaines pharmaceutique et cosmetique |
LU86022 | 1985-07-25 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI863036A0 FI863036A0 (fi) | 1986-07-24 |
FI863036A FI863036A (fi) | 1987-01-26 |
FI87454B true FI87454B (fi) | 1992-09-30 |
FI87454C FI87454C (sv) | 1993-01-11 |
Family
ID=19730521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI863036A FI87454C (sv) | 1985-07-25 | 1986-07-24 | Polycykliska aromatiska derivat, deras framställningsförfarande och ti llämpning inom kosmetik |
Country Status (16)
Country | Link |
---|---|
US (4) | US5124473A (sv) |
EP (1) | EP0210929B1 (sv) |
JP (1) | JP2614606B2 (sv) |
AT (1) | ATE76864T1 (sv) |
CA (3) | CA1271422A (sv) |
DE (2) | DE210929T1 (sv) |
DK (2) | DK170769B1 (sv) |
ES (1) | ES2002727A6 (sv) |
FI (1) | FI87454C (sv) |
GR (1) | GR861950B (sv) |
IL (1) | IL79506A0 (sv) |
LU (1) | LU86022A1 (sv) |
NO (1) | NO166936C (sv) |
NZ (1) | NZ216963A (sv) |
PT (1) | PT83056B (sv) |
ZA (1) | ZA865572B (sv) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950014443B1 (ko) * | 1986-07-16 | 1995-11-28 | 엠. 클리그만 알버트 | 일광손상된 인체피부를 치료하기 위한 레티노이드를 함유하는 조성물 |
LU87040A1 (fr) * | 1987-11-04 | 1989-06-14 | Oreal | Esters aromatiques polycycliques d'antibiotiques macrolidiques et lincosamidiques,leur procede de preparation et compositions pharmaceutiques et cosmetiques les contenant |
FR2635683B1 (fr) * | 1988-09-01 | 1990-11-09 | Cird | Nouveau compose marque au tritium, sa preparation et son application notamment dans la determination de l'affinite des retinoides pour leurs recepteurs nucleaires et leur proteine de liaison cytosolique |
US5146025A (en) * | 1989-02-28 | 1992-09-08 | Mitsubishi Gas Chemical Company, Inc. | Naphthalene compounds |
US5324840A (en) | 1992-06-11 | 1994-06-28 | Allergan, Inc. | Method of treatment with compounds having retinoid-like activity and reduced skin toxicity and lacking teratogenic effects |
US5466861A (en) * | 1992-11-25 | 1995-11-14 | Sri International | Bridged bicyclic aromatic compounds and their use in modulating gene expression of retinoid receptors |
US5455265A (en) * | 1993-02-11 | 1995-10-03 | Allergan, Inc. | Method of treatment with compounds having selective agonist-like activity on RXR retinoid receptors |
US6172115B1 (en) | 1993-02-11 | 2001-01-09 | Allergan Sales, Inc. | Method for preventing onset of restenosis after angioplasty employing an RXR-specific retinoid |
US5399586A (en) * | 1993-03-11 | 1995-03-21 | Allergan, Inc. | Treatment of mammals afflicted with tumors with compounds having RXR retinoid receptor agonist activity |
FR2713640B1 (fr) * | 1993-12-15 | 1996-01-05 | Cird Galderma | Nouveaux composés aromatiques polycycliques, compositions pharmaceutiques et cosmétiques les contenant et utilisations. |
AU2823395A (en) * | 1994-06-07 | 1996-01-04 | Sri International | Novel compounds useful in modulating gene expression of retinoid responsive genes and/or having anti-ap-1 activity |
ES2141978T3 (es) * | 1994-12-30 | 2000-04-01 | Ligand Pharm Inc | Retinoides triciclicos, metodos para su produccion y uso. |
US5770382A (en) * | 1994-12-30 | 1998-06-23 | Ligand Pharmaceuticals, Inc. | Tricyclic retinoids, methods for their production and use |
US5770378A (en) * | 1994-12-30 | 1998-06-23 | Ligand Pharmaceuticals, Inc. | Tricyclic retinoids, methods for their production and use |
US5770383A (en) * | 1994-12-30 | 1998-06-23 | Ligand Pharmaceuticals, Inc. | Tricyclic retinoids, methods for their production and use |
US5559248A (en) * | 1995-04-05 | 1996-09-24 | Bristol-Myers Squibb Co. | Retinoid-like heterocycles |
FR2733684B1 (fr) | 1995-05-03 | 1997-05-30 | Cird Galderma | Utilisation de retinoides dans une composition cosmetique ou pour la fabrication d'une composition pharmaceutique |
DE69627193T2 (de) | 1995-10-06 | 2004-01-29 | Ligand Pharm Inc | Dimer-selektive rxr modulatoren und verfahren zu ihrer verwendung |
FR2755011B1 (fr) * | 1996-10-31 | 1998-11-20 | Cird Galderma | Utilisation des inhibiteurs de l'activite de l'acide retinoique pour traiter les peaux sensibles et/ou les dommages aigus induits par les rayonnements u.v. |
FR2757852B1 (fr) | 1996-12-31 | 1999-02-19 | Cird Galderma | Composes stilbeniques a groupement adamantyl, compositions les contenant et utilisations |
ATE231128T1 (de) * | 1997-02-21 | 2003-02-15 | Takeda Chemical Industries Ltd | Verbindungen mit kondensierten ringen, verfahren zu ihrer herstellung und ihre anwendung |
AU4676999A (en) * | 1998-06-12 | 1999-12-30 | Ligand Pharmaceuticals, Inc. | Treatment of anti-estrogen resistant breast cancer using rxr modulators |
US6566372B1 (en) | 1999-08-27 | 2003-05-20 | Ligand Pharmaceuticals Incorporated | Bicyclic androgen and progesterone receptor modulator compounds and methods |
AU6941200A (en) | 1999-08-27 | 2001-03-26 | Ligand Pharmaceuticals Incorporated | 8-substituted-6-trifluoromethyl-9-pyrido(3,2-g)quinoline compounds as androgen receptor modulators |
CZ2002711A3 (cs) | 1999-08-27 | 2003-11-12 | Ligand Pharmaceuticals Incorporated | Modulátory androgenních receptorů, způsoby jejich výroby a způsoby jejich použití |
WO2001019770A2 (en) * | 1999-09-14 | 2001-03-22 | Ligand Pharmaceuticals Incorporated | Rxr modulators with improved pharmacologic profile |
AU1072801A (en) * | 1999-10-01 | 2001-05-10 | Essentia Biosystems, Inc. | Gel-forming compositions |
AU2002327627B2 (en) | 2001-09-14 | 2006-09-14 | Methylgene Inc. | Inhibitors of histone deacetylase |
US9050310B2 (en) * | 2004-06-25 | 2015-06-09 | Minas Theodore Coroneo | Treatment of ocular lesions |
US20060204474A1 (en) * | 2005-02-25 | 2006-09-14 | Coroneo Minas T | Treatment of epithelial layer lesions |
FR2910321B1 (fr) | 2006-12-21 | 2009-07-10 | Galderma Res & Dev S N C Snc | Gel creme comprenant au moins un retinoide et du peroxyde de benzole |
FR2910320B1 (fr) | 2006-12-21 | 2009-02-13 | Galderma Res & Dev S N C Snc | Emulsion comprenant au moins un retinoide et du peroxyde de benzole |
FR2931661B1 (fr) | 2008-05-30 | 2010-07-30 | Galderma Res & Dev | Nouvelles compositions depigmentantes sous forme d'une composition anhydre sans vaseline et sans elastomere comprenant un derive phenolique solubilise et un retinoide. |
JP5990187B2 (ja) | 2010-12-16 | 2016-09-07 | ニヴァリス・セラピューティクス・インコーポレーテッド | S−ニトロソグルタチオン還元酵素阻害薬としての新規な置換二環芳香族化合物 |
FR2974299A1 (fr) | 2011-04-21 | 2012-10-26 | Agronomique Inst Nat Rech | Compositions antivirales dirigees contre la nucleoproteine des virus influenza |
AU2013312910B2 (en) * | 2012-09-04 | 2017-09-14 | Lauren Sciences Llc | Bolaamphiphilic compounds, compositions and uses thereof |
WO2017053778A1 (en) | 2015-09-25 | 2017-03-30 | Fuchs Helen Burgwyn | Antibacterial and antifungal compounds |
US11045441B2 (en) | 2015-10-13 | 2021-06-29 | Wisconsin Alumni Research Foundation | Use of retinoic acid and analogs thereof to treat central neural apneas |
US11278025B2 (en) | 2017-05-17 | 2022-03-22 | The General Hospital Corporation | Antibiotic compounds |
US11548893B2 (en) | 2017-07-15 | 2023-01-10 | Arisan Therapeutics Inc. | Enantiomerically pure adamantane carboxamides for the treatment of filovirus infection |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2153135A (en) * | 1937-11-26 | 1939-04-04 | Eastman Kodak Co | Yarn treating processes and compositions therefor |
US2532515A (en) * | 1947-01-29 | 1950-12-05 | Universal Oil Prod Co | Catalytic condensation of furans with compounds capable of yielding hydrocarbon radicals |
US3940502A (en) * | 1972-04-13 | 1976-02-24 | Firmenich & Cie | Flavoring agent |
US4578522A (en) * | 1983-08-31 | 1986-03-25 | Eaddy Iii John F | Biaryl aldehyde |
-
1985
- 1985-07-25 LU LU86022A patent/LU86022A1/fr unknown
-
1986
- 1986-07-23 NO NO862966A patent/NO166936C/no unknown
- 1986-07-24 CA CA000514631A patent/CA1271422A/fr not_active Expired - Lifetime
- 1986-07-24 ES ES8601337A patent/ES2002727A6/es not_active Expired
- 1986-07-24 FI FI863036A patent/FI87454C/sv not_active IP Right Cessation
- 1986-07-24 GR GR861950A patent/GR861950B/el unknown
- 1986-07-24 NZ NZ216963A patent/NZ216963A/xx unknown
- 1986-07-24 CA CA000514630A patent/CA1269371A/fr not_active Expired - Lifetime
- 1986-07-24 IL IL79506A patent/IL79506A0/xx unknown
- 1986-07-24 JP JP61175471A patent/JP2614606B2/ja not_active Expired - Fee Related
- 1986-07-24 PT PT83056A patent/PT83056B/pt unknown
- 1986-07-24 DK DK352486A patent/DK170769B1/da not_active IP Right Cessation
- 1986-07-25 DE DE198686401671T patent/DE210929T1/de active Pending
- 1986-07-25 DE DE8686401671T patent/DE3685528T2/de not_active Expired - Lifetime
- 1986-07-25 AT AT86401671T patent/ATE76864T1/de not_active IP Right Cessation
- 1986-07-25 ZA ZA865572A patent/ZA865572B/xx unknown
- 1986-07-25 EP EP86401671A patent/EP0210929B1/fr not_active Expired - Lifetime
-
1990
- 1990-01-22 CA CA000615615A patent/CA1297127C/fr not_active Expired - Lifetime
- 1990-09-12 US US07/580,916 patent/US5124473A/en not_active Expired - Lifetime
-
1991
- 1991-04-11 DK DK065591A patent/DK65591A/da not_active Application Discontinuation
-
1992
- 1992-03-27 US US07/859,046 patent/US5434180A/en not_active Expired - Fee Related
-
1995
- 1995-04-13 US US08/421,235 patent/US5602104A/en not_active Expired - Fee Related
-
1996
- 1996-10-04 US US08/725,496 patent/US5686586A/en not_active Expired - Fee Related
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