SK283572B6 - Farmaceutická kompozícia vo forme tuhej disperzie obsahujúca askomycín - Google Patents
Farmaceutická kompozícia vo forme tuhej disperzie obsahujúca askomycín Download PDFInfo
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- SK283572B6 SK283572B6 SK186-2002A SK1862002A SK283572B6 SK 283572 B6 SK283572 B6 SK 283572B6 SK 1862002 A SK1862002 A SK 1862002A SK 283572 B6 SK283572 B6 SK 283572B6
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- epichloro
- deoxyaskomycin
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Abstract
Je opísaná farmaceutická kompozícia na orálnu aplikáciu vo forme pevnej disperzie, obsahujúca 33-epichlór-33-deoxyaskomycín a nosné médium.ŕ
Description
Vynález sa týka orálnych farmaceutických prostriedkov obsahujúcich makrolid, napríklad askomycín, v pevnej disperzii.
Doterajší stav techniky
Zlúčenina 33-epichlór-33-deoxyaskomycín je opísaná vo zverejnenej európskej prihláške EP 427 680 pod príkladom 66a.
Dosiaľ nie je k dispozícii žiadny vhodne aplikovateľný pevný orálny prostriedok 33-epichIór-33-deoxyaskomycínu.
Podstata vynálezu
Predmetom vynálezu je farmaceutický prostriedok vo forme pevnej disperzie, obsahujúci 33-epichlór-33-deoxyaskomycín a nosné médium.
33-Epichlór-33-deoxyaskomycín sa bude ďalej uvádzať ako zlúčenina Y.
Prostriedky podľa vynálezu s 33-epichlór-33-deoxyaskomycínom poskytujú vysokú biologickú dostupnosť liekovej substancie, dajú sa vhodne aplikovať a sú stabilné.
Prostriedky podľa vynálezu sa môžu aplikovať v ľubovoľnej vhodnej forme, napríklad ako tablety, kapsuly, granuly alebo prášok, napríklad vo vrecúšku.
33-Epichlór-33-deoxyaskomycín sa môže nachádzať v prostriedku v množstve asi 0,01 až asi 30 % hmotnostných a výhodne v množstve 1 až 20 % hmotnostných.
Nosné médium sa nachádza v množstve až 99,99 % hmotnostných, napríklad 10 až 95 % hmotnostných, vztiahnuté na celkovú hmotnosť prostriedku.
Podľa jedného uskutočnenia obsahuje nosné médium vo vode rozpustný polymér, výhodne derivát celulózy, ako napríklad hydroxypropylmetylcelulózu (HPMC), ftaláthydroxypropylmetylcelulózu alebo polyvinylpyrolidón (PVP). Dobré výsledky je možné dosiahnuť použitím HPMC s nízkou dynamickou viskozitou, napríklad pod 0,1 Pa.s pri meraní pri 20 °C pre 2 % (hmotnostné) vodný roztok, napríklad pod 0,05 Pa.s, výhodne pod 0,02 Pa.s, napríklad HPMC 0,003 Pa.s. HPMC je dobre známa a je opísaná napríklad v Handbook of Pharmaceutical Excipients, druhé vydanie, vyd. Pharmaceutical Society of Great Britain and Američan Pharmaceutical Association, 1994, str. 229 až 232. HPMC, zahŕňajúca HPMC 0,003 Pa.s, je dostupná na trhu pod obchodným názvom Pharmacoat 603 od spoločnosti Shinetsu.
PVP je dostupný napríklad pod názvom Povidone (Handbook of Pharmaceutical Excipients) a prednosť sa dáva PVP so strednou molekulovou hmotnosťou asi medzi 8.000 a 50.000 daltonov.
V inom uskutočnení nosné médium obsahuje hydroxypropylcelulózu (HPC) alebo jej derivát. Príklady derivátov HPC zahŕňajú tie, ktoré majú nízku dynamickú viskozitu vo vodnom médiu, napríklad vo vode, napríklad asi pod 0,4 Pa.s, napríklad pod 0,15 Pa.s, merané v 2 % vodnom roztoku pri 25 °C. Výhodné deriváty HPC majú nízky stupeň substitúcie a priemernú molekulovú hmotnosť asi pod 200.000 daltonov, napríklad medzi 50.000 a 150.000 daltonov. Príklady komerčne dostupnej PC zahŕňajú Klucel LF, Klucel EF a Klucel JF z Aqualon company a Nisso HPC-L, ktorý je možné získať od Nippon Sóda Ltd,
- polyetylénglykol (PEG). Príklady zahŕňajú polyetylénglykoly s priemernou molekulovou hmotnosťou medzi 1000 a 9000 daltonov, napríklad asi medzi 1800 a 7000, napríklad PEG 2000, PEG 4000 alebo PEG 6000 (Handbook of Pharmaceutical Excipients),
- nasýtený polyglykolizovaný glycerid, ktorý je možné získať napríklad pod ochrannou známkou Gelucir, napríklad Gelucir 44/14, 53/10, 50/13, 42/12 alebo 35/10 od Gattefossé company alebo
- cyklodextrín, napríklad beta-cyklodextrín alebo alfa-cyklodextrín. Príklady vhodných beta-cyklodextrínov zahŕňajú metyl-beta-cyklodextrín, dimetyl-beta-cyklodextrín, hydroxypropyl-beta-cyklodextrín, glykozyl-beta-cyklodextrín, maltozyl-beta-cyklodextrín, sulfo-beta-cyklodextrín, sulfoalkylétery beta-cyklodextrínu, sulfo-C14-alkylétery. Príklady alfa-cyklodextrínov zahŕňajú glukozyl-alfa-cyklodextrín a maltozyl-alfa-cyklodextrín.
Nosné médium môže ďalej obsahovať vo vode rozpustný alebo vo vode nerozpustný sacharózový alebo iný prijateľný nosič alebo plnidlo, ako laktózu alebo mikrokryštalickú celulózu. Plnidlo, ak je zastúpené, je zvyčajne v množstve až asi do 30 % hmotnostných, napríklad 0,5 až 20 % hmotnostných, výhodne asi od 5 asi do 15 % hmotnostných prostriedku. Mikrokryštalická celulóza je komerčne dostupná pod obchodným názvom Avicel, napríklad od FMC Corporation.
Nosné médium môže ďalej obsahovať jedno alebo viac povrchovo aktívnych činidiel, napríklad neiónogénne, iónové, aniónové alebo amfotérne povrchovo aktívne činidlá. Ako príklady povrchovo aktívnych činidiel je možné uviesť
- polyoxyetylénpolyoxypropylénové kopolyméry a blokové kopolyméry, známe napríklad pod obchodnými názvami Pluronic alebo Poloxamer, ktoré sú opísané napríklad vo Ficdler, H. P. „Lexikón der Hilfsstoffe tur Pharmazie, Kosmetik und angrenzende Gebiete“, Editio Cantor, D-7960 Aulendorf, 3. revidované a rozšírené vydanie (1989). Výhodný polyoxyetylénpolyoxypropylénový blokový polymér je Poloxamer 188, ktorý je možné získať od BASF company,
- etoxylované cholesteríny známe napríklad pod obchodným názvom Solulan C24, komerčne dostupné v Amerchol company,
- vitamínové deriváty, napríklad deriváty vitamínu E, ako je tokoferolpolyetylénglykolsukcinát (TPGS), ktorý je možné získať od Eastman company,
- dodecylsulfát sodný alebo Iaurylsulfát sodný,
- žlčovú kyselinu alebo jej soľ, napríklad kyselinu cholovú, kyselinu glykolovú alebo ich soli, napríklad cholát sodný, alebo
- Iecitín.
Ak sa podľa vynálezu v prostriedku nachádza povrchovo aktívne činidlo, je toto činidlo zastúpené v množstve až asi do 20 %, napríklad 1 až 15 % hmotnostných.
Do prostriedku podľa vynálezu môže byť zahrnuté jedno alebo viac dezintegračných činidiel. Ako príklady dezintegračných činidiel je možné uviesť Polyplasdone (Handbook of Pharmaceutical Excipients), komerčne dostupný od ISP company, sodnú soľ glykolátu škrobu, komerčne dostupnú od Generichcm company a sodnú soľ kroskarmelózy, komerčne dostupnú pod ochrannou známkou Acdi-sol od FMC Corporation. Podľa vynálezu môže byť do prostriedku ďalej zahrnutý jeden alebo viac lubrikantov, napríklad stearát horečnatý alebo koloidný oxid kremičitý v množstve až asi 5 % hmotnostných, napríklad 0,5 až 2 % hmotnostné, vztiahnuté na hmotnosť prostriedku.
Podľa vynálezu môže byť výhodné zahrnúť do prostriedku jedno alebo viac ochucovacích činidiel.
Podľa vynálezu môžu byť do prostriedku zahrnuté antioxidanty a/alebo stabilizátory v množstve až asi 1 % hmotnostné, napríklad medzi 0,05 a 0,5 % hmotnostných. Ako príklady antioxidantov je možné uviesť butylovaný hydroxytoluén, DL-alfa-tokoferol, propylgalát, askobylpalmitát a kyselinu fumarovú. Vhodným stabilizátorom je kyselina malónová.
Nosným médiom teda môžu byť ľubovoľné z uvedených komponentov v množstve v hmotnostných percentách, ako je uvedené. Vhodné vo vode rozpustné polyméry, cyklodextríny a iné pomocné látky, napríklad povrchovo aktívne činidlá, na použitie v prostriedkoch podľa vynálezu s 33-epichlór- 33-deoxyaskomycínom sú, ako je uvedené.
Podľa výhodného uskutočnenia je predmetom vynálezu prostriedok s obsahom povrchovo aktívneho činidla, obsahujúci 33-epichlór-33-deoxyaskomycín vo forme pevnej disperzie.
Hmotnostný pomer 33-epichlór-33-deoxyaskomycínu k nosnému médiu nie je zvyčajne väčší ako 1 : 3, výhodne menší ako 1 : 4.
Tu opísané orálne prostriedky so zlúčeninou Y sú užitočné napríklad pri liečení zápalových a hyperproliferatívnych ochorení kože a kožných prejavov imunologický ovplyvnených ochorení. Prostriedky podľa vynálezu sú užitočné najmä ako protizápalové a ako imunosupresívne a antiproliferatívne činidlá na použitie pri prevencii a liečení zápalových stavov a stavov vyžadujúcich imunosupresiu ako
a) prevencia a liečenie
- odmietnutia orgánovej alebo tkanivovej transplantácie, napríklad srdca, obličky, pečene, kostnej drene a kože,
- ochorenia štep versus hostiteľ, ako po transplantáciách kostnej drene,
- autoimúnnych ochorení, ako reumatickej artritídy, systémového lupus erythematodes, Hashimotovej tyroitídy, roztrúsenej sklerózy, Myasténie gravis, diabetu typu I a uveitídy,
- kožných prejavov imunologický ovplyvnených ochorení,
b) liečenie zápalových a hyperproliferatívnych kožných ochorení, ako je psoriáza, atopické dermatitídy, kontaktné dermatitídy a ďalej exematózne dermatitídy, seboroické dermatitídy, lichen planus, pemfigus, bulózny pemfigus, epidermolysis bullosy, urtikária, erytém, kožné eozinofílie, lupus erythematodes a akné a
c) alopécia areata.
Ak je farmaceutický prostriedok podľa vynálezu vo forme dávkovacej jednotky, napríklad ako tableta, kapsula alebo prášok, bude každá dávkovacia jednotka účelne obsahovať medzi 1 mg a 100 mg liekovej substancie, výhodnejšie medzi 10 a 50 mg, napríklad 15, 20, 25 alebo 50 mg. Takéto jednotkové dávkovacie formy sú vhodné na aplikáciu 1 až 5-krát denne v závislosti od príslušného účelu liečenia, fázy liečenia a podobne.
Podľa jedného uskutočnenia vynálezu obsahuje prostriedok 30 % hmotnostných HPMC v dávke napríklad 10 až 50 mg za deň na použitie napríklad pri psoriáze, atopickej dermatitíde alebo kontaktnej dermatitíde.
Presné množstvo prostriedkov, ktoré sa má aplikovať, závisí od niekoľkých faktorov, napríklad od požadovanej dĺžky liečenia a od rýchlosti uvoľnenia zlúčeniny Y.
Užitočnosť farmaceutických prostriedkov, obsahujúcich zlúčeninu Y, sa dá zistiť štandardnými klinickými testami, napríklad pri známych indikáciách dávkovania aktívneho činidla, poskytujúcich ekvivalentné hladiny aktívneho činidla v krvi, ktoré používajú dávkovanie napríklad v rozmedzí 1 mg až 1000 mg aktívneho činidla za deň pre dospelého človeka s hmotnosťou 75 kg a v štandardných zvieracích modeloch. Zvýšená biologická dostupnosť liekovej substancie zabezpečená prostriedkom podľa vynálezu sa môže sledovať v štandardných testoch na zvieratách a v klinických pokusoch.
Použitá dávkovacia forma, napríklad tableta, môže byť potiahnutá, napríklad použitím enterosolventného povlaku. Vhodným povlakom môže byť acetátftalát celulózy, ftalát hydroxypropylmetylcelulózy, kopolymér kyseliny polymetylakrylovej, napríklad Eudragyt L,S alebo sukcinát hydroxypropylmetylcelulózy.
Príklady uskutočnenia vynálezu
Nasleduje opis príkladov pevných disperzných prostriedkov podľa vynálezu.
Príklad 1
Pripraví sa pevný disperzný prostriedok obsahujúci nasledujúce ingrediencie (v hmotnostných dieloch); zlúčeninu Y ............................20
HPMC 0,003 Pa.s...................80
Pripraví sa prostriedok (forma E) rozpustením zlúčeniny Y a nosného média v zmesi etanolu a acetónu. Po odparení rozpúšťadiel sa výsledný suchý zvyšok zomelie.
Príklad 2
Pripraví sa pevný disperzný prostriedok obsahujúci nasledujúce ingrediencie (v hmotnostných dieloch):
zlúčeninu Y 20
HPMC 0,003 Pa.s80
Poloxamerl88 10
Prostriedok (forma F) sa pripraví analogickým spôsobom ako prostriedok v príklade 5.
Príklad 3
Pripraví sa pevný disperzný prostriedok obsahujúci nasledujúce ingrediencie (v hmotnostných dieloch):
zlúčeninu Y 20
HPMC 0,003 Pa.s75 laurylsulfát sodný 5
Prostriedok (forma G) sa pripraví analogickým spôsobom ako prostriedok v príklade 5.
Uvedené formy prostriedkov E až G sa môžu spracovať na tablety, naplniť do kapsúl alebo spracovať na prášok a naplniť do vrecúšok.
Farmakokinetika po aplikácii 33-cpichlór-33-deoxyaskomycínu potkanom
a) aplikácia liečiva
0,5 ml vodných disperzií liečivých prostriedkov (zodpovedajúcej 4,0 mg aktívnej ingrediencie/potkan) sa aplikovalo žalúdočnou sondou počas krátkej inhalačnej anestézie pomocou 1 ml injekčnej striekačky pripojenej k polyetylénovej trubici. Pre každú formu prostriedku E,F a G bolo použitých 6 zvierat.
b) Odber vzoriek krvi
Zvieratám sa do véna juguláris zaviedla trváca kanyla jeden deň pred týmto pokusom. Každému potkanovi sa odobralo 0,5 ml žilovej krvi (véna juguláris), ktorá sa uložila do 2,5 ml EDTA trubíc. Vzorky krvi od 2 zvierat (1 a 2, 3 a 4, 5 a 6) sa spojili a skladovali sa pri teplote -80 C až do uskutočnenia analýzy liečiva. Vzorky sa odobrali pred aplikáciou a 10 minút (m), 30 m, 60 m, 120 m, 300 m, 480 m a 1440 m po aplikácii liečiva.
c) Biologická analýza
Vzorky krvi sa analyzovali použitím vysokoúčinnej kvapalinovej chromatografie s obrátenými fázami.
Výsledky sú znázornené na obrázkoch 1 a 2, v ktorých sú na osi y znázornené ng/ml k času v hodinách na osi x. Obrázok 1, znázorňujúci stredné hladiny zlúčeniny Y ako funkcie času, ukazuje, že forma F má podstatne vyššie hladiny v krvi, ako sú hladiny pozorované po aplikácii formy E alebo formy G. Obrázok 2, znázorňujúci hladiny zlúčeniny Y v krvi po aplikácii v potrave, ukazuje, že forma F poskytuje vysoké hladiny v krvi po aplikácii s potravou.
Zlúčenina Y je v amoríhej forme v prostriedkoch E, F a G po vytvorení a 6-mesačnom skladovaní, ako sa stanovilo difrakciou róntgenového žiarenia.
Formy E,F a G sú testované na príslušné rýchlosti rozpúšťania. Po miešaní v roztoku 0,2 % hmotnostného dodecylsulfátu vo vode pri 37 °C sa zistilo, že viac ako 80 % dostupnej zlúčeniny Y z každého rozomletého prostriedku obsahujúceho 10 mg zlúčeniny Y je po 30 minútach uvoľnených a rozpustených. Z formy E sa uvoľní 92 % dostupnej zlúčeniny Y. To je porovnateľné s približne 5 %-ným uvoľnením z ekvivalentného množstva kryštalickej zlúčeniny Y po 30 minútach.
PATENTOVÉ NÁROKY
Claims (17)
1. Farmaceutická kompozícia na orálnu aplikáciu vo forme pevnej disperzie, vyznačujúca sa tým, že obsahuje 33-epichlór-33-deoxyaskomycín a nosné médium.
2. Farmaceutická kompozícia podľa nároku 1, vyznačujúca sa tým, že nosné médium obsahuje polymér rozpustný vo vode alebo cyklodextrín.
3. Farmaceutická kompozícia podľa nároku 2, vyznačujúca sa tým, že polymérom rozpustným vo vode je hydroxypropylmetylcelulóza alebo polyvinylpyrolidón.
4. Farmaceutická kompozícia podľa nároku 3, vyznačujúca sa tým, že polymérom rozpustným vo vode je hydroxypropylmetylcelulóza.
5. Farmaceutická kompozícia podľa ktoréhokoľvek z nárokov laž 4, vyznačujúca sa tým, že ďalej obsahuje povrchovo aktívnu látku.
6. Farmaceutická kompozícia podľa nároku 5, vyznačujúca sa tým, že povrchovo aktívnou látkou je polyoxyetylénpolyoxypropylénový blokový kopolymér.
7. Farmaceutická kompozícia podľa ktoréhokoľvek z nárokov laž 6, vyznačujúca sa tým, že ďalej obsahuje laktózu.
8. Farmaceutická kompozícia podľa ktoréhokoľvek z nárokov laž 7, vyznačujúca sa tým, že ďalej obsahuje dezintegračné činidlo.
9. Farmaceutická kompozícia podľa ktoréhokoľvek z nárokov laž 8, vyznačujúca sa tým, že obsahuje až do 30 % hmotnostných 33-epichlór-33-deoxyaskomycínu.
10. Farmaceutická kompozícia podľa ktoréhokoľvek z nárokov 4až 9, vyznačujúca sa tým, že polymérom rozpustným vo vode je hydroxypropylmetylcelulóza v množstve až do 95 % hmotnostných.
11. Farmaceutická kompozícia podľa ktoréhokoľvek z nárokov laž 10, vyznačujúca sa tým, že hmotnostný pomer 33-epichlór-33-deoxyaskomycínu k polyméru je menší ako 1 : 4.
12. Farmaceutická kompozícia podľa ktoréhokoľvek z predchádzajúcich nárokov, vyznačujúca sa tým, že askomycín alebo jeho derivát je v amorfnej alebo v podstate amorfnej forme.
13. Farmaceutická kompozícia podľa ktoréhokoľvek z predchádzajúcich nárokov, vyznačujúca sa tým, že je vjednotkovej dávkovacej forme.
14. Farmaceutická kompozícia podľa ktoréhokoľvek z predchádzajúcich nárokov, vyznačujúca sa tým, že je vo forme kapsuly alebo tablety.
15. Farmaceutická kompozícia podľa ktoréhokoľvek z predchádzajúcich nárokov, vyznačujúca sa tým, že ďalej obsahuje enterosolventný povlak.
16. Farmaceutická kompozícia podľa ktoréhokoľvek z predchádzajúcich nárokov, vyznačujúca sa tým, že ďalej obsahuje antioxidant.
17. Farmaceutická kompozícia podľa nároku 16, vyznačujúca sa tým, že antioxidant je zvolený zo skupiny obsahujúcej butylovaný hydroxytoluén, DL-alfa-tokoferolpropylgalát, askorbylpalmitát a kyselinu íumarovú.
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GBGB9515025.6A GB9515025D0 (en) | 1995-07-21 | 1995-07-21 | Organic compounds |
PCT/EP1996/003066 WO1997003654A2 (en) | 1995-07-14 | 1996-07-12 | Pharmaceutical compositions |
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SK186-2002A SK283572B6 (sk) | 1995-07-14 | 1996-07-12 | Farmaceutická kompozícia vo forme tuhej disperzie obsahujúca askomycín |
SK44-98A SK283571B6 (sk) | 1995-07-14 | 1996-07-12 | Farmaceutická kompozícia vo forme tuhej disperzie obsahujúca rapamycín, spôsob jej prípravy a jej použitie |
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-
1996
- 1996-07-11 FR FR9608705A patent/FR2736550B1/fr not_active Expired - Lifetime
- 1996-07-11 BE BE9600631A patent/BE1009856A5/fr active
- 1996-07-12 JP JP9506264A patent/JPH11509223A/ja not_active Withdrawn
- 1996-07-12 ES ES96925741T patent/ES2215195T3/es not_active Expired - Lifetime
- 1996-07-12 EP EP02023033A patent/EP1281400B1/en not_active Expired - Lifetime
- 1996-07-12 US US08/981,952 patent/US6004973A/en not_active Expired - Lifetime
- 1996-07-12 SK SK186-2002A patent/SK283572B6/sk not_active IP Right Cessation
- 1996-07-12 KR KR10-1998-0700244A patent/KR100352943B1/ko not_active IP Right Cessation
- 1996-07-12 WO PCT/EP1996/003066 patent/WO1997003654A2/en active IP Right Grant
- 1996-07-12 SI SI9630730T patent/SI1281400T1/sl unknown
- 1996-07-12 CN CN96196788A patent/CN1080120C/zh not_active Expired - Lifetime
- 1996-07-12 SK SK44-98A patent/SK283571B6/sk not_active IP Right Cessation
- 1996-07-12 AT AT02023033T patent/ATE310519T1/de not_active IP Right Cessation
- 1996-07-12 TR TR1998/00045T patent/TR199800045T1/xx unknown
- 1996-07-12 RU RU98102855/14A patent/RU2159107C2/ru active Protection Beyond IP Right Term
- 1996-07-12 AT AT96925741T patent/ATE258429T1/de active
- 1996-07-12 PL PL324502A patent/PL191933B1/pl unknown
- 1996-07-12 DK DK96925741T patent/DK0839028T3/da active
- 1996-07-12 DK DK02023033T patent/DK1281400T3/da active
- 1996-07-12 IT IT96RM000501A patent/IT1284871B1/it active IP Right Grant
- 1996-07-12 IL IL12290596A patent/IL122905A/xx active Protection Beyond IP Right Term
- 1996-07-12 DE DE69631422T patent/DE69631422T2/de not_active Expired - Lifetime
- 1996-07-12 DE DE69635499T patent/DE69635499T2/de not_active Expired - Fee Related
- 1996-07-12 CZ CZ199891A patent/CZ291305B6/cs not_active IP Right Cessation
- 1996-07-12 NZ NZ313633A patent/NZ313633A/xx not_active IP Right Cessation
- 1996-07-12 CA CA002426956A patent/CA2426956C/en not_active Expired - Fee Related
- 1996-07-12 BR BR9609537A patent/BR9609537A/pt not_active Application Discontinuation
- 1996-07-12 CA CA002225960A patent/CA2225960C/en not_active Expired - Lifetime
- 1996-07-12 HU HU9900391A patent/HU226774B1/hu unknown
- 1996-07-12 PT PT96925741T patent/PT839028E/pt unknown
- 1996-07-12 IL IL144684A patent/IL144684A/en not_active IP Right Cessation
- 1996-07-12 AU AU66152/96A patent/AU706174B2/en not_active Expired
- 1996-07-12 ES ES02023033T patent/ES2250566T3/es not_active Expired - Lifetime
- 1996-07-12 EP EP96925741A patent/EP0839028B1/en not_active Expired - Lifetime
- 1996-07-12 SI SI9630671T patent/SI0839028T1/xx unknown
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1998
- 1998-01-08 NO NO19980081A patent/NO314924B1/no not_active IP Right Cessation
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1999
- 1999-03-29 HK HK99101280A patent/HK1016081A1/xx not_active IP Right Cessation
- 1999-08-13 US US09/374,899 patent/US6197781B1/en not_active Expired - Lifetime
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2000
- 2000-01-13 UY UY25896A patent/UY25896A1/es not_active Application Discontinuation
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2002
- 2002-07-12 US US10/194,826 patent/US6599535B2/en not_active Expired - Fee Related
- 2002-10-23 NO NO20025089A patent/NO317702B1/no not_active IP Right Cessation
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2003
- 2003-06-04 US US10/454,017 patent/US6956043B2/en not_active Expired - Fee Related
- 2003-07-11 JP JP2003273402A patent/JP2004002457A/ja not_active Withdrawn
- 2003-12-22 CL CL200302715A patent/CL2003002715A1/es unknown
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2005
- 2005-07-26 CY CY0500043A patent/CY2603B2/xx unknown
- 2005-10-21 US US11/255,359 patent/US20060115533A1/en not_active Abandoned
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2007
- 2007-02-09 CY CY0700003A patent/CY2571B1/xx unknown
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2008
- 2008-02-29 JP JP2008049742A patent/JP5522901B2/ja not_active Expired - Lifetime
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2011
- 2011-12-22 JP JP2011281577A patent/JP2012082217A/ja active Pending
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Legal Events
Date | Code | Title | Description |
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MM4A | Patent lapsed due to non-payment of maintenance fees |
Effective date: 20100712 |