CA1071228A - X-ray contrast media - Google Patents
X-ray contrast mediaInfo
- Publication number
- CA1071228A CA1071228A CA228,142A CA228142A CA1071228A CA 1071228 A CA1071228 A CA 1071228A CA 228142 A CA228142 A CA 228142A CA 1071228 A CA1071228 A CA 1071228A
- Authority
- CA
- Canada
- Prior art keywords
- formula
- radical
- hydrogen
- lower alkyl
- group
- 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
- 229940039231 contrast media Drugs 0.000 title abstract description 5
- 239000002872 contrast media Substances 0.000 title abstract description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 24
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 7
- 125000005907 alkyl ester group Chemical group 0.000 claims abstract description 4
- 239000002253 acid Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 claims description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical group CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 150000004985 diamines Chemical class 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 3
- 239000002798 polar solvent Substances 0.000 claims description 3
- 239000002168 alkylating agent Substances 0.000 claims description 2
- 229940100198 alkylating agent Drugs 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims 9
- 239000001257 hydrogen Substances 0.000 claims 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 4
- 150000002431 hydrogen Chemical group 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 30
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 21
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 18
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 14
- 239000003480 eluent Substances 0.000 description 13
- 239000000047 product Substances 0.000 description 11
- 238000004809 thin layer chromatography Methods 0.000 description 11
- 229910052740 iodine Inorganic materials 0.000 description 9
- 239000011630 iodine Substances 0.000 description 9
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 8
- 238000004448 titration Methods 0.000 description 8
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 7
- 235000019253 formic acid Nutrition 0.000 description 7
- 229940032007 methylethyl ketone Drugs 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229960004050 aminobenzoic acid Drugs 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- -1 organic base salts Chemical class 0.000 description 4
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- 239000005711 Benzoic acid Substances 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 3
- 239000004472 Lysine Substances 0.000 description 3
- MBBZMMPHUWSWHV-BDVNFPICSA-N N-methylglucamine Chemical class CNC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO MBBZMMPHUWSWHV-BDVNFPICSA-N 0.000 description 3
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 229940031098 ethanolamine Drugs 0.000 description 3
- 229960000443 hydrochloric acid Drugs 0.000 description 3
- 235000011167 hydrochloric acid Nutrition 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 238000007127 saponification reaction Methods 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229960001866 silicon dioxide Drugs 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- SMQYOVYWPWASGU-UHFFFAOYSA-N Iocarmic acid Chemical compound OC(=O)C1=C(I)C(C(=O)NC)=C(I)C(NC(=O)CCCCC(=O)NC=2C(=C(C(=O)NC)C(I)=C(C(O)=O)C=2I)I)=C1I SMQYOVYWPWASGU-UHFFFAOYSA-N 0.000 description 2
- UXIGWFXRQKWHHA-UHFFFAOYSA-N Iotalamic acid Chemical compound CNC(=O)C1=C(I)C(NC(C)=O)=C(I)C(C(O)=O)=C1I UXIGWFXRQKWHHA-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- CZEPJJXZASVXQF-ZETCQYMHSA-N ethyl (2s)-2,6-diaminohexanoate Chemical compound CCOC(=O)[C@@H](N)CCCCN CZEPJJXZASVXQF-ZETCQYMHSA-N 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000013495 osmolality determination method Methods 0.000 description 2
- 239000003186 pharmaceutical solution Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- XJRIDJAGAYGJCK-UHFFFAOYSA-N (1-acetyl-5-bromoindol-3-yl) acetate Chemical compound C1=C(Br)C=C2C(OC(=O)C)=CN(C(C)=O)C2=C1 XJRIDJAGAYGJCK-UHFFFAOYSA-N 0.000 description 1
- RIWAPWDHHMWTRA-UHFFFAOYSA-N 1,2,3-triiodobenzene Chemical compound IC1=CC=CC(I)=C1I RIWAPWDHHMWTRA-UHFFFAOYSA-N 0.000 description 1
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
- 239000012346 acetyl chloride Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 150000001669 calcium Chemical class 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000013189 cholangiography Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- DZIYAIZKJOHVQC-KLXURFKVSA-N ethyl (2s)-2,6-diaminohexanoate;dihydrochloride Chemical compound Cl.Cl.CCOC(=O)[C@@H](N)CCCCN DZIYAIZKJOHVQC-KLXURFKVSA-N 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000000232 gallbladder Anatomy 0.000 description 1
- 230000002440 hepatic effect Effects 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 229960002517 iocarmic acid Drugs 0.000 description 1
- OLAOYPRJVHUHCF-UHFFFAOYSA-N iooxitalamic acid Chemical compound CC(=O)NC1=C(I)C(C(O)=O)=C(I)C(C(=O)NCCO)=C1I OLAOYPRJVHUHCF-UHFFFAOYSA-N 0.000 description 1
- 229960000929 iotalamic acid Drugs 0.000 description 1
- 229940029378 iothalamate Drugs 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 150000003109 potassium Chemical class 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- RBWSWDPRDBEWCR-RKJRWTFHSA-N sodium;(2r)-2-[(2r)-3,4-dihydroxy-5-oxo-2h-furan-2-yl]-2-hydroxyethanolate Chemical compound [Na+].[O-]C[C@@H](O)[C@H]1OC(=O)C(O)=C1O RBWSWDPRDBEWCR-RKJRWTFHSA-N 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- ILWRPSCZWQJDMK-UHFFFAOYSA-N triethylazanium;chloride Chemical compound Cl.CCN(CC)CC ILWRPSCZWQJDMK-UHFFFAOYSA-N 0.000 description 1
- 238000007487 urography Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/44—Iso-indoles; Hydrogenated iso-indoles
- C07D209/48—Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/04—X-ray contrast preparations
- A61K49/0433—X-ray contrast preparations containing an organic halogenated X-ray contrast-enhancing agent
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB24169/74A GB1488903A (en) | 1974-05-31 | 1974-05-31 | X-ray contrast media |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1071228A true CA1071228A (en) | 1980-02-05 |
Family
ID=10207490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA228,142A Expired CA1071228A (en) | 1974-05-31 | 1975-05-30 | X-ray contrast media |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US4005188A (en, 2012) |
| JP (2) | JPS585186B2 (en, 2012) |
| AR (1) | AR205196A1 (en, 2012) |
| AT (1) | AT345796B (en, 2012) |
| BE (2) | BE829573A (en, 2012) |
| BR (1) | BR7503406A (en, 2012) |
| CA (1) | CA1071228A (en, 2012) |
| CH (1) | CH597159A5 (en, 2012) |
| CS (1) | CS207562B2 (en, 2012) |
| DE (1) | DE2524059A1 (en, 2012) |
| DK (1) | DK137945B (en, 2012) |
| EG (1) | EG12474A (en, 2012) |
| ES (2) | ES437997A1 (en, 2012) |
| FR (1) | FR2272655B1 (en, 2012) |
| GB (1) | GB1488903A (en, 2012) |
| HU (2) | HU176251B (en, 2012) |
| NL (1) | NL7506400A (en, 2012) |
| NO (1) | NO139918C (en, 2012) |
| SE (1) | SE410849B (en, 2012) |
| SU (4) | SU665797A3 (en, 2012) |
| ZA (1) | ZA753131B (en, 2012) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1491129A (en) * | 1975-06-04 | 1977-11-09 | Guerbet Sa | Iodo-benzene derivatives and an x-ray contrast medium containing them |
| CH626873A5 (en, 2012) * | 1977-03-28 | 1981-12-15 | Bracco Ind Chimica Spa | |
| DE2852094A1 (de) * | 1978-11-30 | 1980-06-12 | Schering Ag | Neue roentgenkontrastmittel |
| JPS60183699A (ja) * | 1984-03-01 | 1985-09-19 | 株式会社東芝 | 異常警報装置の制御回路 |
| US4826689A (en) * | 1984-05-21 | 1989-05-02 | University Of Rochester | Method for making uniformly sized particles from water-insoluble organic compounds |
| US4783484A (en) * | 1984-10-05 | 1988-11-08 | University Of Rochester | Particulate composition and use thereof as antimicrobial agent |
| JPH0259997U (en, 2012) * | 1988-10-25 | 1990-05-01 | ||
| US6331640B1 (en) | 1998-10-13 | 2001-12-18 | Hoffmann-La Roche Inc. | Diaminopropionic acid derivatives |
| US6265610B1 (en) * | 1999-01-12 | 2001-07-24 | The University Of North Carolina At Chapel Hill | Contrast media for angiography |
| JP2008526282A (ja) * | 2004-12-30 | 2008-07-24 | シンベンション アーゲー | シグナル供給剤、インプラント材料および薬剤を含む組み合わせ |
| CA2591942A1 (en) * | 2005-01-13 | 2006-07-20 | Cinvention Ag | Composite materials containing carbon nanoparticles |
| BRPI0606486A2 (pt) * | 2005-01-24 | 2009-06-30 | Cinv Ag | materiais compósitos contendo metal |
| CA2598840A1 (en) * | 2005-03-18 | 2006-09-21 | Cinvention Ag | Process for the preparation of porous sintered metal materials |
| AU2006265196A1 (en) * | 2005-07-01 | 2007-01-11 | Cinvention Ag | Medical devices comprising a reticulated composite material |
| EA200800196A1 (ru) * | 2005-07-01 | 2008-06-30 | Синвеншен Аг | Способ изготовления пористого композиционного материала |
| EP1937753A1 (en) * | 2005-10-18 | 2008-07-02 | Cinvention Ag | Thermoset particles and methods for production thereof |
| EP2104473A1 (en) * | 2007-01-19 | 2009-09-30 | Cinvention Ag | Porous, non-degradable implant made by powder molding |
| EP2126040A1 (en) * | 2007-02-28 | 2009-12-02 | Cinvention Ag | High surface cultivation system |
| WO2008104599A1 (en) * | 2007-02-28 | 2008-09-04 | Cinvention Ag | High surface cultivation system bag |
| CN101820923A (zh) * | 2007-10-12 | 2010-09-01 | 通用电气医疗集团股份有限公司 | 对比剂 |
| US8737669B2 (en) | 2011-07-28 | 2014-05-27 | Bose Corporation | Earpiece passive noise attenuating |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2680133A (en) * | 1951-08-24 | 1954-06-01 | Mallinckrodt Chemical Works | Iodine-containing amino-benzoyl derivatives of amino acids |
| US3541141A (en) * | 1967-06-29 | 1970-11-17 | Squibb & Sons Inc | Bis-triiodoisophthalamic acid compounds |
| US3853866A (en) * | 1967-07-13 | 1974-12-10 | Oesterr Stickstoffwerke Ag | 3-amino-2,4,6-triiodobenzoic acid derivatives |
| US3660469A (en) * | 1969-08-04 | 1972-05-02 | Squibb & Sons Inc | Bis-triiodoisophthalamic acid compounds |
| BE795555A (fr) * | 1972-02-16 | 1973-08-16 | Schering Ag | Amides de triiodo-isophtaloyl-monoamino-acide, leur procede de preparation et leur utilisation |
-
1974
- 1974-05-31 GB GB24169/74A patent/GB1488903A/en not_active Expired
-
1975
- 1975-01-01 AR AR259006A patent/AR205196A1/es active
- 1975-05-15 ZA ZA00753131A patent/ZA753131B/xx unknown
- 1975-05-20 US US05/579,280 patent/US4005188A/en not_active Expired - Lifetime
- 1975-05-20 CH CH644875A patent/CH597159A5/xx not_active IP Right Cessation
- 1975-05-22 FR FR7515954A patent/FR2272655B1/fr not_active Expired
- 1975-05-23 NO NO751825A patent/NO139918C/no unknown
- 1975-05-28 ES ES437997A patent/ES437997A1/es not_active Expired
- 1975-05-28 HU HU75GU331A patent/HU176251B/hu unknown
- 1975-05-28 BE BE156776A patent/BE829573A/xx not_active IP Right Cessation
- 1975-05-28 DK DK239175AA patent/DK137945B/da unknown
- 1975-05-28 HU HU75GU317A patent/HU174153B/hu unknown
- 1975-05-28 BE BE156777A patent/BE829574A/xx not_active IP Right Cessation
- 1975-05-28 AT AT409875A patent/AT345796B/de not_active IP Right Cessation
- 1975-05-28 ES ES437996A patent/ES437996A1/es not_active Expired
- 1975-05-29 SE SE7506127A patent/SE410849B/xx unknown
- 1975-05-29 NL NL7506400A patent/NL7506400A/xx not_active Application Discontinuation
- 1975-05-29 CS CS753782A patent/CS207562B2/cs unknown
- 1975-05-30 BR BR4362/75D patent/BR7503406A/pt unknown
- 1975-05-30 DE DE19752524059 patent/DE2524059A1/de not_active Withdrawn
- 1975-05-30 CA CA228,142A patent/CA1071228A/en not_active Expired
- 1975-05-30 SU SU752144452A patent/SU665797A3/ru active
- 1975-05-30 JP JP50065216A patent/JPS585186B2/ja not_active Expired
- 1975-05-31 EG EG316/75A patent/EG12474A/xx active
-
1976
- 1976-12-14 SU SU762430497A patent/SU652884A3/ru active
-
1978
- 1978-06-13 SU SU782624999A patent/SU805944A3/ru active
- 1978-10-13 SU SU782671704A patent/SU1024006A3/ru active
-
1982
- 1982-06-16 JP JP57103698A patent/JPS584754A/ja active Pending
Also Published As
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| Publication | Publication Date | Title |
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