DK153552C - Analogifremgangsmaade til fremstilling af 1,8-naphthyridinderivater - Google Patents

Analogifremgangsmaade til fremstilling af 1,8-naphthyridinderivater

Info

Publication number
DK153552C
DK153552C DK355679A DK355679A DK153552C DK 153552 C DK153552 C DK 153552C DK 355679 A DK355679 A DK 355679A DK 355679 A DK355679 A DK 355679A DK 153552 C DK153552 C DK 153552C
Authority
DK
Denmark
Prior art keywords
ingrediates
naphthyride
preparing
analogy procedure
analogy
Prior art date
Application number
DK355679A
Other languages
English (en)
Other versions
DK355679A (da
DK153552B (da
Inventor
Jun-Ichi Matsumoto
Yoshiyuki Takase
Yoshiro Nishimura
Original Assignee
Dainippon Pharmaceutical Co
Bellon Labor Sa Roger
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP10423578A external-priority patent/JPS5531042A/ja
Priority claimed from JP15793978A external-priority patent/JPS5583785A/ja
Priority claimed from JP16209578A external-priority patent/JPS5592385A/ja
Application filed by Dainippon Pharmaceutical Co, Bellon Labor Sa Roger filed Critical Dainippon Pharmaceutical Co
Publication of DK355679A publication Critical patent/DK355679A/da
Publication of DK153552B publication Critical patent/DK153552B/da
Application granted granted Critical
Publication of DK153552C publication Critical patent/DK153552C/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen 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
    • C07D213/72Nitrogen atoms
    • C07D213/74Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen 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
    • C07D213/72Nitrogen atoms
    • C07D213/75Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen 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
    • C07D213/72Nitrogen atoms
    • C07D213/76Nitrogen atoms to which a second hetero atom is attached
    • C07D213/77Hydrazine radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04Ortho-condensed systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
DK355679A 1978-08-25 1979-08-24 Analogifremgangsmaade til fremstilling af 1,8-naphthyridinderivater DK153552C (da)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP10423578 1978-08-25
JP10423578A JPS5531042A (en) 1978-08-25 1978-08-25 1,8-naphthylidine derivative and its salt
JP15793978 1978-12-20
JP15793978A JPS5583785A (en) 1978-12-20 1978-12-20 6-fluoro-1,8-naphthyridine derivative and its salt
JP16209578A JPS5592385A (en) 1978-12-29 1978-12-29 1-vinyl-1,8-naphthylidine derivative and its salt
JP16209578 1978-12-29

Publications (3)

Publication Number Publication Date
DK355679A DK355679A (da) 1980-02-26
DK153552B DK153552B (da) 1988-07-25
DK153552C true DK153552C (da) 1988-12-05

Family

ID=27310175

Family Applications (1)

Application Number Title Priority Date Filing Date
DK355679A DK153552C (da) 1978-08-25 1979-08-24 Analogifremgangsmaade til fremstilling af 1,8-naphthyridinderivater

Country Status (16)

Country Link
US (2) US4359578A (da)
EP (1) EP0009425B1 (da)
AR (3) AR223983A1 (da)
AU (1) AU530052B2 (da)
CA (1) CA1168241A (da)
CS (1) CS235502B2 (da)
DD (1) DD145753A5 (da)
DE (1) DE2961979D1 (da)
DK (1) DK153552C (da)
ES (1) ES483629A1 (da)
FI (1) FI66379C (da)
HU (1) HU179927B (da)
NO (1) NO153136C (da)
PH (1) PH14287A (da)
PL (1) PL120114B1 (da)
YU (4) YU42193B (da)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845426B2 (ja) * 1978-09-29 1983-10-08 杏林製薬株式会社 置換キノリンカルボン酸誘導体
JPS5649382A (en) * 1979-09-28 1981-05-02 Dainippon Pharmaceut Co Ltd 6-fluoro-7-cyclic amino-1,8-naphthylidine derivative and its salt
US4670444B1 (en) * 1980-09-03 1999-02-09 Bayer Ag and-naphthyridine-3-carboxylic acids and antibacte7-amino-1-cyclopropyl-4-oxo-1,4-dihydro-quinoline-rial agents containing these compounds
US4620007A (en) * 1980-09-03 1986-10-28 Bayer Aktiengesellschaft 6-fluoro-7-chloro-1-cyclopropyl-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid
JPS57106681A (en) * 1980-12-24 1982-07-02 Dainippon Pharmaceut Co Ltd 1,8-naphthyridine derivative and its salt
JPS57134482A (en) * 1981-02-13 1982-08-19 Dainippon Pharmaceut Co Ltd 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-1,8- naphthyridine-3-carboxylic acid-3/2 hydrate and its preparation
HU188181B (en) * 1981-06-11 1986-03-28 Warner-Lambert Co,Us Process for producing salts of naphtiridine and quinoline compounds of antimicrobial activity
JPS5925391A (ja) * 1982-07-30 1984-02-09 Dainippon Pharmaceut Co Ltd ピリジルナフチリジン誘導体およびその塩
DE3308908A1 (de) * 1983-03-12 1984-09-13 Bayer Ag, 5090 Leverkusen Bakterizide mittel
FR2559484B2 (fr) * 1983-07-06 1986-09-26 Provesan Sa Nouveau derive 7-(pyrrol-1-yl) de l'acide 1-ethyl-1,4-dihydro-4-oxo-(1,8-naphtyridin)-3-carboxylique, sa preparation et son application en tant que medicament
FR2548664B1 (fr) * 1983-07-06 1986-03-21 Provesan Sa Derives 7-(pyrrol-l-yl) des acides l-ethyl-1,4-dihydro-4-oxoquinoleine-3-carboxyliques et l-ethyl-1,4-dihydro-4-oxo-(1,8-naphtyridine)-3-carboxyliques substitues, leur preparation et leur application en tant que medicaments
US4730000A (en) * 1984-04-09 1988-03-08 Abbott Laboratories Quinoline antibacterial compounds
CS274601B2 (en) * 1983-07-27 1991-09-15 Dainippon Pharmaceutical Co Method of 1,8-naphthyridine derivative production
DE3333719A1 (de) * 1983-09-17 1985-04-04 Bayer Ag Loesungen milchsaurer salze von piperazinylchinolon- und piperazinyl-azachinoloncarbonsaeuren
US4551456A (en) * 1983-11-14 1985-11-05 Merck & Co., Inc. Ophthalmic use of norfloxacin and related antibiotics
NZ210847A (en) * 1984-01-26 1988-02-29 Abbott Lab Naphthyridine and pyridopyrimidine derivatives and pharmaceutical compositions
US4774246A (en) * 1984-01-26 1988-09-27 Abbott Laboratories Quinoline antibacterial compounds
IL74244A (en) * 1984-02-17 1988-06-30 Warner Lambert Co Quinoline derivatives,their preparation and pharmaceutical compositions containing them
DE3409922A1 (de) * 1984-03-17 1985-09-26 Bayer Ag, 5090 Leverkusen 1,7-diamino-1,4-dihydro-4-oxo-3-(aza)chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie ihre verwendung bei der bekaempfung bakterieller erkrankungen
US4571396A (en) * 1984-04-16 1986-02-18 Warner-Lambert Company Antibacterial agents
JPS60228479A (ja) * 1984-04-26 1985-11-13 Toyama Chem Co Ltd 1,4−ジヒドロ−4−オキソナフチリジン誘導体およびその塩
DE3420743A1 (de) * 1984-06-04 1985-12-05 Bayer Ag, 5090 Leverkusen 7-amino-1-cyclopropyl-6,8-dihalogen-1,4-dihydro-4-oxo-3-chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel
US5468861A (en) * 1984-06-04 1995-11-21 Bayer Aktiengesellschaft 8-chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid and alkyl esters thereof
DE3517709A1 (de) * 1985-01-05 1986-07-10 Bayer Ag Basische zubereitungen von chinoloncarbonsaeuren
DE3508816A1 (de) * 1985-01-10 1986-07-10 Bayer Ag, 5090 Leverkusen 6,7-disubstituierte 1-cyclopropyl-1,4-dihydro-4-oxo-1,8-naphtyridin-3-carbonsaeuren
US4851535A (en) * 1985-01-23 1989-07-25 Toyama Chemical Co., Ltd. Nicotinic acid derivatives
AT392791B (de) * 1985-01-23 1991-06-10 Toyama Chemical Co Ltd Verfahren zur herstellung von 1-substituierten aryl-1,4-dihydro-4-oxonaphthyridinderivaten
AT392789B (de) * 1985-01-23 1991-06-10 Toyama Chemical Co Ltd Verfahren zur herstellung von 1-substituierten aryl-1,4-dihydro-4-oxonaphthyridinderivaten
DE3525108A1 (de) * 1985-06-07 1986-12-11 Bayer Ag, 5090 Leverkusen Antibakteriell wirksame chinoloncarbonsaeureester
DE3608745A1 (de) * 1985-07-24 1987-01-29 Bayer Ag Bakterizide zubereitungen zur anwendung auf dem gebiet der veterinaermedizin
DE3542002A1 (de) * 1985-11-28 1987-06-04 Bayer Ag 1-cyclopropyl-6-fluor-1,4-dihydro-4-oxo-7- (1-piperazinyl)-3-chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel
US4689325A (en) * 1985-12-23 1987-08-25 Abbott Laboratories Isoxazolo-pyrido-phenoxazine and isothiazolo-pyrido-phenoxazine derivatives
US4687770A (en) * 1985-12-23 1987-08-18 Abbott Laboratories Isoxazolo-pyrido-benzoxazine and isothiazolo-pyrido-benzoxazine derivatives
US4940710A (en) * 1986-01-17 1990-07-10 American Cyanamid Company 7-(substituted)piperazinyl-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids
US5210193A (en) * 1986-01-17 1993-05-11 American Cyanamid Company Piperazine derivatives
HU196987B (en) * 1986-10-15 1989-02-28 Chinoin Gyogyszer Es Vegyeszet Process for producing quinoline-carboxylic acid derivatives
IL80459A (en) * 1986-10-30 1991-04-15 Abic Ltd Water-soluble adduct of norfloxacin and nicotinic acid
IE873504L (en) * 1987-01-28 1988-07-28 Harvard College Stabilized ophthalmic compositions
IL90635A0 (en) * 1988-07-15 1990-01-18 Abbott Lab Process for the preparation of quinoline antibacterial compounds
US5262417A (en) * 1988-12-06 1993-11-16 The Upjohn Company Antibacterial quinolone compounds
FR2641783B1 (fr) * 1989-01-16 1991-04-05 Bellon Labor Sa Roger Nouveaux derives de benzonaphtyridine-1,8, leur preparation et les compositions qui les contiennent
AU623474B2 (en) * 1989-01-16 1992-05-14 Laboratoire Roger Bellon New benzo(1,8)naphthyridine derivatives, their preparation and compositions containing them
US5466696A (en) * 1992-09-10 1995-11-14 Warner Lambert Company Tacrine and cytochrome P450 oxidase inhibitors and methods of use
US5422350A (en) * 1992-09-10 1995-06-06 Warner-Lambert Company Nitrogen substituted acridine and cytochrome P450 inhibitors and methods of use
US5290794A (en) * 1992-10-27 1994-03-01 Warner Lambert Co. Soluble calcium lactate antibacterial complexes as non-irritating parenteral forms
WO1994025464A1 (en) * 1993-04-24 1994-11-10 Korea Research Institute Of Chemical Technology Novel quinolone carboxylic acid derivatives and process for preparing the same
KR950018003A (ko) * 1993-12-09 1995-07-22 스미스클라인 비참 피엘씨 신규한 퀴놀론 유도체 및 그의 제조 방법
MA24500A1 (fr) 1997-03-21 1998-10-01 Lg Life Sciences Ltd Derive du sel d'acide carboxylique de naphthyridine .

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3149104A (en) * 1961-01-03 1964-09-15 Sterling Drug Inc 4-hydroxy-7-styryl-1, 8-naphthyridine-3-carboxylic acids and esters
DE2103805C3 (de) * 1970-01-28 1980-03-20 Sumitomo Chemical Co., Ltd., Osaka (Japan) Verfahren zur Herstellung von N-substituierten 6,7-Methylendioxy-4chinolonen
US4017622A (en) * 1972-12-18 1977-04-12 Dainippon Pharmaceutical Co., Ltd. Piperazine derivatives
JPS5936637B2 (ja) * 1976-01-01 1984-09-05 第一製薬株式会社 6−ニトロ−1,8−ナフチリジン誘導体
JPS53141286A (en) * 1977-05-16 1978-12-08 Kyorin Seiyaku Kk Novel substituted quinolinecarboxylic acid
JPS5845426B2 (ja) 1978-09-29 1983-10-08 杏林製薬株式会社 置換キノリンカルボン酸誘導体

Also Published As

Publication number Publication date
FI66379C (fi) 1984-10-10
YU31785A (en) 1985-10-31
CS235502B2 (en) 1985-05-15
PH14287A (en) 1981-05-04
FI66379B (fi) 1984-06-29
YU42637B (en) 1988-10-31
US4359578A (en) 1982-11-16
YU42614B (en) 1988-10-31
EP0009425A1 (en) 1980-04-02
YU31885A (en) 1985-10-31
DK355679A (da) 1980-02-26
AR223983A1 (es) 1981-10-15
AR227529A1 (es) 1982-11-15
PL120114B1 (en) 1982-02-27
AU5004979A (en) 1980-02-28
YU203279A (en) 1985-10-31
NO153136B (no) 1985-10-14
NO792760L (no) 1980-02-26
US4352803A (en) 1982-10-05
HU179927B (en) 1983-01-28
YU42193B (en) 1988-06-30
ES483629A1 (es) 1980-09-01
DD145753A5 (de) 1981-01-07
DE2961979D1 (en) 1982-03-11
AR225195A1 (es) 1982-02-26
PL217926A1 (da) 1980-06-16
FI792645A (fi) 1980-02-26
EP0009425B1 (en) 1982-01-27
AU530052B2 (en) 1983-06-30
DK153552B (da) 1988-07-25
NO153136C (no) 1986-01-22
CA1168241A (en) 1984-05-29
YU42615B (en) 1988-10-31
YU31985A (en) 1985-10-31

Similar Documents

Publication Publication Date Title
DK153552C (da) Analogifremgangsmaade til fremstilling af 1,8-naphthyridinderivater
DK149023C (da) Analogifremgangsmaade til fremstilling af tiazolidinderivater
DK149749C (da) Analogifremgangsmaade til fremstilling af n-alkyl-2-hydroxy-metyl-3,4,5-trihydroxy-piperidinderivater
DK159442C (da) Analogifremgangsmaade til fremstilling af 6,7-substitueret-4-ethyl-quinazoliner
DK7579A (da) Fremgangsmaade til fremstilling af (%n-diethylmeta-toluamid
DK19579A (da) Fremgangsmaade til fremstilling af spirothienohydantoinderivater
DK469379A (da) Fremgangsmaade til fremstilling af 1-hydroxylerede 5,6-vitamind-forbindelser
DK153844C (da) Analogifremgangsmaade til fremstilling af 1,2,3,5-tetrahydroimidazothienopyrimidin-2-oner
DK145698C (da) Analogifremgangsmaade til fremstilling af 2-alkoxyadeninderivater
DK117779A (da) Fremgangsmaade til fremstilling af 2,6-dialkoxybenzamider
DK147145C (da) Analogifremgangsmaade til fremstilling af chlorambucilderivater
DK153379A (da) Fremgangsmaade til fremstilling af n,n,n!,n!-tetraacetylethylendiamin
DK400381A (da) Fremgansmaade til fremstilling af penicillanoyloxymethyl-penicillanoyloxymethyl-penicillanat-1,1,1!,1!-tetraoxid
DK161198C (da) Analogifremgangsmaade til fremstilling af substituerede omega-aroylpropionyl-l-proliner
DK159681A (da) Fremgangsmaade til fremstilling af 4,5-diaryl-alfa-(polyfluoralkyl)-1h-pyrrol-2-methanaminer
DK156635C (da) Analogifremgangsmaade til fremstilling af 24,24-difluor-25-hydroxycholecalciferol
DK301277A (da) Fremgangsmade til fremstilling af substituerede 2,6-methano-2h-1-benzoxociner
DK330279A (da) Fremgangsmaade til fremstilling af soem
DK154136C (da) Analogifremgangsmaade til fremstilling af 2-amino-3-benzoylphenylacetamider
DK153838C (da) Analogifremgangsmaade til fremstilling af 2,4-dichlor-alfa-(n-imidazolylmethyl)-dibenzylethere
DK146067C (da) Analogifremgangsmaade til fremstilling af 2,4-diamino-5-phenoxypropoxypyrimidiner
DK73077A (da) Fremgangsmade til fremstilling af 2,9-dioxatricyclo (4,3,1,03,7) decaner
DK365879A (da) Fremgangsmaade til fremstilling af 4-hydroxy-2h (1) benzotheno(,3-)-1,2-thiazin-3-carboxamid-1,1-dioxider
DK147069C (da) Analogifremgangsmaade til fremstilling af 1,6-dimesyl-3,4-dimethyl-d-mannitol
DK151880C (da) Analogifremgangsmaade til fremstilling af 4,5-diphenyl-1,3-oxazoler

Legal Events

Date Code Title Description
PUP Patent expired