ES405256A1 - Procedimiento para la preparacion de derivados de acido etilendiamintetracetico. - Google Patents
Procedimiento para la preparacion de derivados de acido etilendiamintetracetico.Info
- Publication number
- ES405256A1 ES405256A1 ES405256A ES405256A ES405256A1 ES 405256 A1 ES405256 A1 ES 405256A1 ES 405256 A ES405256 A ES 405256A ES 405256 A ES405256 A ES 405256A ES 405256 A1 ES405256 A1 ES 405256A1
- Authority
- ES
- Spain
- Prior art keywords
- chelates
- carbamoyl
- formula
- hydroxyl
- diluent
- 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
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 3
- -1 pyridoylamino Chemical group 0.000 abstract 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical class OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 abstract 2
- 125000000217 alkyl group Chemical group 0.000 abstract 2
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 abstract 2
- 239000003085 diluting agent Substances 0.000 abstract 2
- 229910052736 halogen Inorganic materials 0.000 abstract 2
- 125000005843 halogen group Chemical group 0.000 abstract 2
- 229910001385 heavy metal Chemical class 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- 125000002252 acyl group Chemical group 0.000 abstract 1
- 125000004442 acylamino group Chemical group 0.000 abstract 1
- 125000004423 acyloxy group Chemical group 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 125000003545 alkoxy group Chemical group 0.000 abstract 1
- 125000004453 alkoxycarbonyl group Chemical group 0.000 abstract 1
- 125000005138 alkoxysulfonyl group Chemical group 0.000 abstract 1
- 125000004390 alkyl sulfonyl group Chemical group 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- 125000004397 aminosulfonyl group Chemical group NS(=O)(=O)* 0.000 abstract 1
- WUPZNKGVDMHMBS-UHFFFAOYSA-N azane;dihydrate Chemical class [NH4+].[NH4+].[OH-].[OH-] WUPZNKGVDMHMBS-UHFFFAOYSA-N 0.000 abstract 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 125000004093 cyano group Chemical group *C#N 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 abstract 1
- 229960001484 edetic acid Drugs 0.000 abstract 1
- 125000001188 haloalkyl group Chemical group 0.000 abstract 1
- 208000006278 hypochromic anemia Diseases 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 150000002736 metal compounds Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 abstract 1
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 abstract 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 125000003396 thiol group Chemical group [H]S* 0.000 abstract 1
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
- C07D213/72—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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C309/45—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
- C07C309/51—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton at least one of the nitrogen atoms being part of any of the groups, X being a hetero atom, Y being any atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/63—Esters of sulfonic acids
- C07C309/72—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C309/76—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/15—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings
- C07C311/16—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the sulfonamide groups bound to hydrogen atoms or to an acyclic carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/15—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings
- C07C311/21—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C317/00—Sulfones; Sulfoxides
- C07C317/26—Sulfones; Sulfoxides having sulfone or sulfoxide groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton
- C07C317/32—Sulfones; Sulfoxides having sulfone or sulfoxide groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton with sulfone or sulfoxide groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C317/34—Sulfones; Sulfoxides having sulfone or sulfoxide groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton with sulfone or sulfoxide groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having sulfone or sulfoxide groups and amino groups bound to carbon atoms of six-membered aromatic rings being part of the same non-condensed ring or of a condensed ring system containing that ring
- C07C317/38—Sulfones; Sulfoxides having sulfone or sulfoxide groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton with sulfone or sulfoxide groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having sulfone or sulfoxide groups and amino groups bound to carbon atoms of six-membered aromatic rings being part of the same non-condensed ring or of a condensed ring system containing that ring with the nitrogen atom of at least one amino group being part of any of the groups, X being a hetero atom, Y being any atom, e.g. N-acylaminosulfones
- C07C317/40—Y being a hydrogen or a carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/23—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton
- C07C323/39—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton at least one of the nitrogen atoms being part of any of the groups, X being a hetero atom, Y being any atom
- C07C323/40—Y being a hydrogen or a carbon atom
- C07C323/41—Y being a hydrogen or an acyclic carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C331/00—Derivatives of thiocyanic acid or of isothiocyanic acid
- C07C331/02—Thiocyanates
- C07C331/14—Thiocyanates having sulfur atoms of thiocyanate groups bound to carbon atoms of hydrocarbon radicals substituted by carboxyl groups
-
- 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
-
- 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
- C07D213/86—Hydrazides; Thio or imino analogues thereof
-
- 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
- C07D213/86—Hydrazides; Thio or imino analogues thereof
- C07D213/87—Hydrazides; Thio or imino analogues thereof in position 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms 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
- C07D215/38—Nitrogen atoms
- C07D215/40—Nitrogen atoms attached in position 8
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Quinoline Compounds (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1117271A CH552569A (de) | 1971-07-29 | 1971-07-29 | Verfahren zur herstellung neuer verbindungen. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES405256A1 true ES405256A1 (es) | 1976-01-16 |
Family
ID=4370772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES405256A Expired ES405256A1 (es) | 1971-07-29 | 1972-07-28 | Procedimiento para la preparacion de derivados de acido etilendiamintetracetico. |
Country Status (16)
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2327172A2 (fr) * | 1975-10-10 | 1977-05-06 | Tech Realisations Et | Procede et dispositif de manutention de neige |
| US4091088A (en) * | 1975-02-19 | 1978-05-23 | Australian Atomic Energy Commission | Phenolic amino-carboxylic acid complexes for forming radiopharmaceuticals |
| US4088747A (en) * | 1975-02-19 | 1978-05-09 | Australian Atomic Energy Commission | Phenolic amino-carboxylic acid radiopharmaceuticals |
| US4090977A (en) * | 1976-11-22 | 1978-05-23 | Research Corporation | Osmotically balanced anticoaglant |
| US4076744A (en) * | 1977-05-23 | 1978-02-28 | Kewanne Industries, Inc. | Amphoteric surfactants |
| US4200238A (en) * | 1977-10-03 | 1980-04-29 | Owens-Illinois, Inc. | Method of preparing a rapidly soluble and machine handleable particulate composite and product |
| US4265639A (en) * | 1980-03-20 | 1981-05-05 | Scholtz Myndert T | Combustion catalysts |
| HU186758B (en) * | 1980-12-29 | 1985-09-30 | Kerteszeti Egyetem | Compositions for conditioning plants containing titane |
| GB2092562B (en) * | 1981-02-06 | 1984-10-24 | Ashmead H H | Optimization of crop yields with metal proteinates |
| US4609757A (en) * | 1983-08-10 | 1986-09-02 | Nuclear Technology Corporation | Hydrazides of amino-polyacetic acids as chelants |
| GB2184109A (en) * | 1985-10-29 | 1987-06-17 | Grace W R & Co | The treatment of aqueous systems |
| GB8807197D0 (en) * | 1988-03-25 | 1988-04-27 | Phosyn Group Ltd | Iron chelate composition |
| GB9027922D0 (en) * | 1990-12-21 | 1991-02-13 | Nycomed As | Compounds |
| ES2146217T3 (es) * | 1992-07-31 | 2000-08-01 | Australian Nuclear Science Tec | Agentes quelantes de los acidos aminocarboxilicos con hidroxiarilo. |
| US5807535A (en) * | 1992-07-31 | 1998-09-15 | Australian Nuclear Science & Technology Organisation | Metal complexes of hydroxyaryl containing aminocarboxylic acid chelating agents |
| GB2292943A (en) * | 1994-08-09 | 1996-03-13 | Univ Surrey | Metal ion ligating materials |
| ES2235461T3 (es) | 1998-02-04 | 2005-07-01 | University Of Florida Research Foundation, Inc. | Acido n,n'-bis (2-hidroxibencil)etilendiamina-n,n'-diacetico y sales de sodio de este para terapia quelante de hierro. |
| US20010039295A1 (en) | 1999-12-21 | 2001-11-08 | Bergeron Raymond J. | N,N'-bis(2-hydroxybenzyl)-ethylenediamine-N,N'-diacetic acid in iron chelating therapy |
| CN117431054B (zh) * | 2023-11-01 | 2024-04-16 | 滨州乾坤化工机械有限公司 | 一种酸化压裂液用高温铁离子稳定剂及其制备方法 |
-
0
- BE BE786946D patent/BE786946A/xx unknown
-
1971
- 1971-07-29 CH CH1117271A patent/CH552569A/xx not_active IP Right Cessation
-
1972
- 1972-07-20 AU AU44810/72A patent/AU472688B2/en not_active Expired
- 1972-07-20 IL IL7239960A patent/IL39960A/xx unknown
- 1972-07-21 NL NL7210134A patent/NL7210134A/xx unknown
- 1972-07-24 US US00274377A patent/US3833590A/en not_active Expired - Lifetime
- 1972-07-24 CA CA147,742A patent/CA990284A/en not_active Expired
- 1972-07-25 FR FR7226717A patent/FR2147649A5/fr not_active Expired
- 1972-07-26 DE DE2236783A patent/DE2236783A1/de active Pending
- 1972-07-27 PL PL1972156976A patent/PL83411B1/pl unknown
- 1972-07-27 SU SU1816151A patent/SU492060A3/ru active
- 1972-07-27 RO RO7200071762A patent/RO62785A/ro unknown
- 1972-07-28 GB GB3545972A patent/GB1402764A/en not_active Expired
- 1972-07-28 ZA ZA725227A patent/ZA725227B/xx unknown
- 1972-07-28 ES ES405256A patent/ES405256A1/es not_active Expired
- 1972-07-29 JP JP47076398A patent/JPS4832822A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH552569A (de) | 1974-08-15 |
| SU492060A3 (ru) | 1975-11-15 |
| IL39960A (en) | 1975-10-15 |
| BE786946A (fr) | 1973-01-29 |
| DE2236783A1 (de) | 1973-02-08 |
| AU472688B2 (en) | 1976-06-03 |
| JPS4832822A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-05-02 |
| FR2147649A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-09 |
| PL83411B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-12-31 |
| ZA725227B (en) | 1973-04-25 |
| US3833590A (en) | 1974-09-03 |
| CA990284A (en) | 1976-06-01 |
| AU4481072A (en) | 1974-01-24 |
| IL39960A0 (en) | 1972-09-28 |
| NL7210134A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-01-31 |
| RO62785A (fr) | 1978-01-15 |
| GB1402764A (en) | 1975-08-13 |
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