ES8301920A1 - Un procedimiento para preparar un derivado de piridina . - Google Patents
Un procedimiento para preparar un derivado de piridina .Info
- Publication number
- ES8301920A1 ES8301920A1 ES507620A ES507620A ES8301920A1 ES 8301920 A1 ES8301920 A1 ES 8301920A1 ES 507620 A ES507620 A ES 507620A ES 507620 A ES507620 A ES 507620A ES 8301920 A1 ES8301920 A1 ES 8301920A1
- Authority
- ES
- Spain
- Prior art keywords
- translation
- procedure
- machine
- piridine
- legally binding
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic 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
- C07D213/02—Heterocyclic 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
- C07D213/04—Heterocyclic 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
- C07D213/60—Heterocyclic 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
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/84—Nitriles
- C07D213/85—Nitriles in position 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic 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
- C07D213/02—Heterocyclic 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
- C07D213/04—Heterocyclic 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
- C07D213/24—Heterocyclic 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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/44—Radicals substituted by doubly-bound oxygen, sulfur, or nitrogen atoms, or by two such atoms singly-bound to the same carbon atom
- C07D213/46—Oxygen atoms
- C07D213/50—Ketonic radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic 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
- C07D213/02—Heterocyclic 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
- C07D213/04—Heterocyclic 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
- C07D213/60—Heterocyclic 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
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/64—One oxygen atom attached in position 2 or 6
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic 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
- C07D213/02—Heterocyclic 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
- C07D213/04—Heterocyclic 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
- C07D213/60—Heterocyclic 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
- C07D213/72—Nitrogen atoms
- C07D213/73—Unsubstituted amino or imino radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic 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
- C07D213/02—Heterocyclic 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
- C07D213/04—Heterocyclic 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
- C07D213/60—Heterocyclic 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
- C07D213/72—Nitrogen atoms
- C07D213/74—Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic 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
- C07D213/02—Heterocyclic 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
- C07D213/04—Heterocyclic 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
- C07D213/60—Heterocyclic 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
- C07D213/72—Nitrogen atoms
- C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic 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
- C07D213/02—Heterocyclic 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
- C07D213/04—Heterocyclic 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
- C07D213/60—Heterocyclic 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
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/80—Acids; Esters in position 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic 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
- C07D213/02—Heterocyclic 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
- C07D213/04—Heterocyclic 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
- C07D213/60—Heterocyclic 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
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/81—Amides; Imides
- C07D213/82—Amides; Imides in position 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
PROCEDIMIENTO DE OBTENCION DE DERIVADOS DE PIRIDINA. CONSISTE EN HACER REACCIONAR UNA (PIRIDINIL)METIL-ALQUILO INFERIOR-CETONA DE FORMULA PY<024>CH <024>C(=O)<024>R CON DI-(ALQUILO INFERIOR)FORMAMIDA DI-(ALQUILO INFERIOR)ACETAL. SE OBTIENEN DERIVADOS DE LA PIRIDINA DE FORMULA GENERAL (I) EN QUE R ES ALQUILO INFERIOR; R Y R SON CADA UNO ALQUILO INFERIOR Y PY ES 4-,3- O 2-PIRIDINILO CON O SIN SUSTITUYENTES ALQUILO INFERIOR.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9750479A | 1979-11-26 | 1979-11-26 | |
US06/135,100 US4297360A (en) | 1980-03-28 | 1980-03-28 | 5-(Pyridinyl)pyridine-2,3-diamines, preparation thereof and their cardiotonic use |
US06/198,461 US4313951A (en) | 1979-11-26 | 1980-10-20 | 3-Substituted-6-(lower-alkyl)-5-(pyridinyl)-2(1H)-pyridinones, their cardiotonic use and intermediates therefor |
US06/204,726 US4312875A (en) | 1980-03-28 | 1980-11-06 | 5-(Pyridinyl)-6-(lower-alkyl)-2(1H)-pyridinones, 1,2-dihydro-2-oxo-5-(pyridinyl)-6-(lower-alkyl)nicotinic acids and lower-alkyl esters thereof, and cardiotonic use thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
ES507620A0 ES507620A0 (es) | 1982-11-16 |
ES8301920A1 true ES8301920A1 (es) | 1982-11-16 |
Family
ID=27492921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES507620A Expired ES8301920A1 (es) | 1979-11-26 | 1981-12-01 | Un procedimiento para preparar un derivado de piridina . |
Country Status (20)
Country | Link |
---|---|
AT (1) | AT379387B (es) |
CH (1) | CH649535A5 (es) |
DE (1) | DE3044568A1 (es) |
DK (1) | DK151799C (es) |
ES (1) | ES8301920A1 (es) |
FI (1) | FI76564C (es) |
FR (2) | FR2470124B1 (es) |
GB (2) | GB2065642B (es) |
GR (1) | GR71608B (es) |
HK (2) | HK31189A (es) |
IE (1) | IE50632B1 (es) |
IL (2) | IL61501A (es) |
IT (1) | IT1148740B (es) |
LU (1) | LU82957A1 (es) |
MX (1) | MX155904A (es) |
NL (2) | NL192202C (es) |
NO (2) | NO154345C (es) |
NZ (1) | NZ195564A (es) |
PT (1) | PT72106B (es) |
SE (1) | SE442398B (es) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4305948A (en) * | 1980-12-22 | 1981-12-15 | Sterling Drug Inc. | N-Hydroxy-1,2-dihydro-2-oxo-5-(pyridinyl)-nicotinimidamide and their cardiotonic use |
US4465686A (en) * | 1981-09-08 | 1984-08-14 | Sterling Drug Inc. | 5-(Hydroxy- and/or amino-phenyl)-6-(lower-alkyl)-2-(1H)-pyridinones, their cardiotonic use and preparation |
FR2529891A1 (fr) * | 1982-07-12 | 1984-01-13 | Nativelle Sa Ets | Derives du pyridyl-3 alcoxy-5 pyrazole, procede de preparation et application en therapeutique |
IL69407A (en) * | 1982-08-23 | 1987-10-20 | Warner Lambert Co | 2(1h)-pyridinones,their preparation and pharmaceutical compositions containing them |
IL70169A0 (en) * | 1982-11-18 | 1984-02-29 | Sterling Drug Inc | 2(1h)-pyridinones,their preparation and pharmaceutical compositions containing them |
GB8414220D0 (en) * | 1984-06-04 | 1984-07-11 | Sterwin Ag | Medicaments in unit dose form |
AU8495091A (en) * | 1990-08-21 | 1992-03-17 | Upjohn Company, The | Bisphosphonic acid derivatives as anti-arthritic agents |
CZ403592A3 (en) * | 1992-02-20 | 1993-12-15 | Hoechst Ag | Arylcarbonylaminoalkyldihydrooxopyridines, process of their preparation and their use |
US7772188B2 (en) | 2003-01-28 | 2010-08-10 | Ironwood Pharmaceuticals, Inc. | Methods and compositions for the treatment of gastrointestinal disorders |
JP2008524233A (ja) * | 2004-12-16 | 2008-07-10 | バーテックス ファーマシューティカルズ インコーポレイテッド | 炎症性疾患、増殖性疾患および免疫介在性疾患の治療のためのtecファミリータンパク質キナーゼのインヒビターとして有用なピリド−2−オン |
EP2218442A1 (en) | 2005-11-09 | 2010-08-18 | CombinatoRx, Inc. | Methods, compositions, and kits for the treatment of ophthalmic disorders |
JP5546451B2 (ja) | 2007-06-04 | 2014-07-09 | シナジー ファーマシューティカルズ インコーポレイテッド | 胃腸の障害、炎症、癌および他の障害の処置に有用なグアニル酸シクラーゼのアゴニスト |
US8969514B2 (en) | 2007-06-04 | 2015-03-03 | Synergy Pharmaceuticals, Inc. | Agonists of guanylate cyclase useful for the treatment of hypercholesterolemia, atherosclerosis, coronary heart disease, gallstone, obesity and other cardiovascular diseases |
AU2009256157B2 (en) | 2008-06-04 | 2014-12-18 | Bausch Health Ireland Limited | Agonists of guanylate cyclase useful for the treatment of gastrointestinal disorders, inflammation, cancer and other disorders |
WO2010009319A2 (en) | 2008-07-16 | 2010-01-21 | Synergy Pharmaceuticals Inc. | Agonists of guanylate cyclase useful for the treatment of gastrointestinal, inflammation, cancer and other disorders |
US9616097B2 (en) | 2010-09-15 | 2017-04-11 | Synergy Pharmaceuticals, Inc. | Formulations of guanylate cyclase C agonists and methods of use |
CN103764672A (zh) | 2011-03-01 | 2014-04-30 | 辛纳吉制药公司 | 制备鸟苷酸环化酶c激动剂的方法 |
EP3718546A1 (en) | 2011-08-16 | 2020-10-07 | Cardiora Pty Ltd | Controlled-release formulation |
US20150119399A1 (en) | 2012-01-10 | 2015-04-30 | President And Fellows Of Harvard College | Beta-cell replication promoting compounds and methods of their use |
WO2014131024A2 (en) | 2013-02-25 | 2014-08-28 | Synergy Pharmaceuticals Inc. | Agonists of guanylate cyclase and their uses |
CA2905435A1 (en) | 2013-03-15 | 2014-09-25 | Synergy Pharmaceuticals Inc. | Compositions useful for the treatment of gastrointestinal disorders |
WO2014151206A1 (en) | 2013-03-15 | 2014-09-25 | Synergy Pharmaceuticals Inc. | Agonists of guanylate cyclase and their uses |
US10011637B2 (en) | 2013-06-05 | 2018-07-03 | Synergy Pharmaceuticals, Inc. | Ultra-pure agonists of guanylate cyclase C, method of making and using same |
US20160184387A1 (en) | 2013-08-09 | 2016-06-30 | Dominique Charmot | Compounds and methods for inhibiting phosphate transport |
SG11201704980XA (en) | 2014-12-22 | 2017-07-28 | Cardiora Pty Ltd | Method of treatment |
WO2020237096A1 (en) | 2019-05-21 | 2020-11-26 | Ardelyx, Inc. | Combination for lowering serum phosphate in a patient |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4004012A (en) * | 1975-10-14 | 1977-01-18 | Sterling Drug Inc. | 3-Cyano-5-(pyridinyl)-2(1H)-pyridinones |
US4072746A (en) * | 1975-10-14 | 1978-02-07 | Sterling Drug Inc. | 3-Amino-5-(pyridinyl)-2(1H)-pyridinones |
-
1980
- 1980-11-17 IL IL61501A patent/IL61501A/xx not_active IP Right Cessation
- 1980-11-17 NZ NZ195564A patent/NZ195564A/xx unknown
- 1980-11-18 MX MX9577A patent/MX155904A/es unknown
- 1980-11-24 FI FI803652A patent/FI76564C/fi not_active IP Right Cessation
- 1980-11-24 IE IE2430/80A patent/IE50632B1/en not_active IP Right Cessation
- 1980-11-24 NL NL8006399A patent/NL192202C/nl not_active IP Right Cessation
- 1980-11-25 FR FR8024998A patent/FR2470124B1/fr not_active Expired
- 1980-11-25 SE SE8008252A patent/SE442398B/sv not_active IP Right Cessation
- 1980-11-25 PT PT72106A patent/PT72106B/pt unknown
- 1980-11-25 DK DK501180A patent/DK151799C/da not_active IP Right Cessation
- 1980-11-25 IT IT26218/80A patent/IT1148740B/it active
- 1980-11-25 NO NO803550A patent/NO154345C/no unknown
- 1980-11-26 GR GR63461A patent/GR71608B/el unknown
- 1980-11-26 GB GB8037856A patent/GB2065642B/en not_active Expired
- 1980-11-26 LU LU82957A patent/LU82957A1/fr unknown
- 1980-11-26 AT AT0578080A patent/AT379387B/de not_active IP Right Cessation
- 1980-11-26 DE DE19803044568 patent/DE3044568A1/de active Granted
- 1980-11-26 CH CH8783/80A patent/CH649535A5/fr not_active IP Right Cessation
-
1981
- 1981-12-01 ES ES507620A patent/ES8301920A1/es not_active Expired
-
1983
- 1983-06-10 GB GB08315983A patent/GB2131421B/en not_active Expired
- 1983-09-28 IL IL69847A patent/IL69847A0/xx unknown
-
1984
- 1984-10-25 FR FR8416357A patent/FR2553767B1/fr not_active Expired
-
1985
- 1985-10-09 NO NO85854001A patent/NO156127C/no unknown
-
1989
- 1989-04-13 HK HK311/89A patent/HK31189A/xx not_active IP Right Cessation
-
1990
- 1990-10-11 HK HK830/90A patent/HK83090A/xx not_active IP Right Cessation
-
1997
- 1997-07-24 NL NL970028C patent/NL970028I2/nl unknown
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