DE304574C - - Google Patents
Info
- Publication number
- DE304574C DE304574C DENDAT304574D DE304574DA DE304574C DE 304574 C DE304574 C DE 304574C DE NDAT304574 D DENDAT304574 D DE NDAT304574D DE 304574D A DE304574D A DE 304574DA DE 304574 C DE304574 C DE 304574C
- Authority
- DE
- Germany
- Prior art keywords
- acetylsalicylic acid
- tablets
- lithium
- water
- acid lithium
- 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.)
- Active
Links
- UIIMBOGNXHQVGW-UHFFFAOYSA-M NaHCO3 Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- MVIGXHUGRATYCI-UHFFFAOYSA-N 2-acetyloxybenzoic acid;lithium Chemical compound [Li].CC(=O)OC1=CC=CC=C1C(O)=O MVIGXHUGRATYCI-UHFFFAOYSA-N 0.000 claims description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- BEVDQFZIRVKSGM-UHFFFAOYSA-N 2-hydroxybenzoic acid;lithium Chemical compound [Li].OC(=O)C1=CC=CC=C1O BEVDQFZIRVKSGM-UHFFFAOYSA-N 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000002639 sodium chloride Nutrition 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 229920001817 Agar Polymers 0.000 description 1
- 241000416162 Astragalus gummifer Species 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N D-sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 210000004051 Gastric Juice Anatomy 0.000 description 1
- 241000206672 Gelidium Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229960004793 Sucrose Drugs 0.000 description 1
- 229920001615 Tragacanth Polymers 0.000 description 1
- 229940116362 Tragacanth Drugs 0.000 description 1
- 229960001138 acetylsalicylic acid Drugs 0.000 description 1
- 230000000996 additive Effects 0.000 description 1
- 235000010419 agar Nutrition 0.000 description 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- GUBGYTABKSRVRQ-XLOQQCSPSA-N lactose Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@H](O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-XLOQQCSPSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000007885 tablet disintegrant Substances 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2009—Inorganic compounds
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Inorganic Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
KLASSE 30 /*. GRUPPE 9.CLASS 30 / *. GROUP 9.
Von den Salzen der. Acetylsalicylsäure hat allein das Lithiumsalz allgemeinere Anwendung gefunden, da es verhältnismäßig haltbar ist. Es zeigt aber, wenn auch in schwächerem Grade als das Natriumsalz, die Eigen^ schaft der Hygroskopizität und. härtet, in Tablettenform gebracht, leicht nach, so daß. aus reinem acetylsalicylsaurem Lithium gewonnene Tabletten, selbst wenn sie wohl ver- schlossen aufbewahrt sind, schon nach wenige Monate dauerndem Lagern sich in Wasser kaum noch auflösen, es sei denn, daß man sie wieder fein pulvert, was für den Verbrau^ eher natürlich unbequem ist.From the salts of the. Acetylsalicylic acid alone, the lithium salt, has more general uses found as it is relatively durable. But it shows, albeit in a weaker way Degrees than the sodium salt, the property of hygroscopicity and. hardens, in Brought into tablet form, slightly after, so that. Tablets made from pure lithium acetylsalicylic acid, even if they are are kept closed, even after a few months of storage in water hardly dissolve, unless they are finely powdered again, something for consumption is rather naturally uncomfortable.
Die üblichen Tabletterisprengmittel, wie Stärke, Tragant, Agar-Agar, haben, ganz abgesehen davon, daß sie nicht klar wasserlöslich sind, nicht die Wirkung, die Tabletten aus acetylsalicylsaurem Lithium leichter zer-The usual tablet disintegrants, such as Starch, tragacanth, agar-agar, have, quite apart from the fact that they are not clearly soluble in water are not the effect that tablets made from lithium acetylsalicylic acid disintegrate more easily.
ao fallbar zu machen, ebensowenig wasserlösliche Stoffe, wie Milchzucker, Rohrzucker, Kochsalz oder sonstige übliche indifferente Zusätze.ao to make fallable, just as little water-soluble Substances such as milk sugar, cane sugar, table salt or other common indifferent additives.
Es wurde nun gefunden, daß leicht zerfallende, nicht nachhärtende Tabletten gewon-It has now been found that easily disintegrating, non-post-hardening tablets won-
»5 nen werden können, wenn man dem Lithiumsalz einen geringen Zusatz von Alkalikarbonaten gibt. Am brauchbarsten erwies sich Na-" triumbikarbonat, von dem schön 5 Prozent genügen, um Tabletten zu erhalten, die nicht nachhärten und auch bei monatelanger Aufbewahrung in Wasser leicht löslich bleiben. Es ist bereits vorgeschlagen, Natriumbikarbonat Tabletten anderer Zusammensetzung beizumischen, damit sie im sauren Magensaft leicht zerfallen. Es war aber nicht'vorauszusehen,, daß dieser Zusatz, der seine spezifische Wirkung erst in einem sauren Medium entfaltet, die Nachhärtung von Tabletten aus acetylsalicylsaurem Lithium verhindern und sie in reinem Wasser dauernd leicht löslich erhalten würde.»5 can be achieved if you add a small amount of alkali carbonates to the lithium salt gives. Sodium bicarbonate proved to be the most useful, of which 5 percent are sufficient to obtain tablets that do not harden and even after months of storage remain easily soluble in water. It is already suggested to use sodium bicarbonate Mix tablets of a different composition so that they are absorbed in the acidic gastric juice easily disintegrate. But it was not 'to be foreseen' that this additive, its specific effect only in an acidic medium unfolded, prevent the post-hardening of tablets made from lithium acetylsalicylic acid and would keep them readily soluble in pure water at all times.
Claims (1)
Publications (1)
Publication Number | Publication Date |
---|---|
DE304574C true DE304574C (en) |
Family
ID=558170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT304574D Active DE304574C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE304574C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0339508A1 (en) * | 1988-04-29 | 1989-11-02 | Altergon S.A. | Mouth-soluble pharmaceutical compositions containing acetylcysteine |
-
0
- DE DENDAT304574D patent/DE304574C/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0339508A1 (en) * | 1988-04-29 | 1989-11-02 | Altergon S.A. | Mouth-soluble pharmaceutical compositions containing acetylcysteine |
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