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SE384797B - PROCEDURE FOR THE PREPARATION OF MEDICINAL PRODUCTS WITH DELAYED RELEASE OF ACTIVE SUBSTANCE, CONTAINING A SUBSTITUTED XANTIN - Google Patents

PROCEDURE FOR THE PREPARATION OF MEDICINAL PRODUCTS WITH DELAYED RELEASE OF ACTIVE SUBSTANCE, CONTAINING A SUBSTITUTED XANTIN

Info

Publication number
SE384797B
SE384797B SE1720868A SE1720868A SE384797B SE 384797 B SE384797 B SE 384797B SE 1720868 A SE1720868 A SE 1720868A SE 1720868 A SE1720868 A SE 1720868A SE 384797 B SE384797 B SE 384797B
Authority
SE
Sweden
Prior art keywords
xantin
substituted
procedure
preparation
active substance
Prior art date
Application number
SE1720868A
Other languages
Swedish (sv)
Inventor
M Reiser
E Eidebenz
L Nook
Original Assignee
Hoechst Ag
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 DE1967C0044173 external-priority patent/DE1617418C3/en
Priority claimed from DE19681810705 external-priority patent/DE1810705C3/en
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of SE384797B publication Critical patent/SE384797B/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
    • A61K31/525—Isoalloxazines, e.g. riboflavins, vitamin B2
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
    • A61K31/52—Purines, e.g. adenine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/59—Compounds containing 9, 10- seco- cyclopenta[a]hydrophenanthrene ring systems
    • 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
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1617—Organic compounds, e.g. phospholipids, fats

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
SE1720868A 1967-12-16 1968-12-16 PROCEDURE FOR THE PREPARATION OF MEDICINAL PRODUCTS WITH DELAYED RELEASE OF ACTIVE SUBSTANCE, CONTAINING A SUBSTITUTED XANTIN SE384797B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1967C0044173 DE1617418C3 (en) 1967-12-16 1967-12-16 Manufacture of solid drug forms with delayed release of active ingredients
DE19681810705 DE1810705C3 (en) 1968-11-25 1968-11-25 Stabilization of vitamins

Publications (1)

Publication Number Publication Date
SE384797B true SE384797B (en) 1976-05-24

Family

ID=25756473

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1720868A SE384797B (en) 1967-12-16 1968-12-16 PROCEDURE FOR THE PREPARATION OF MEDICINAL PRODUCTS WITH DELAYED RELEASE OF ACTIVE SUBSTANCE, CONTAINING A SUBSTITUTED XANTIN

Country Status (4)

Country Link
BE (1) BE725125A (en)
FR (1) FR1605467A (en)
NL (1) NL159281B (en)
SE (1) SE384797B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3127237A1 (en) * 1981-07-10 1983-01-20 Hoechst Ag, 6000 Frankfurt STOMACHICABLE MEDICINAL FORMS OF XANTHINE DERIVATIVES AND METHOD FOR THE PRODUCTION THEREOF

Also Published As

Publication number Publication date
FR1605467A (en) 1976-05-14
NL159281B (en) 1979-02-15
NL6818068A (en) 1969-06-18
BE725125A (en) 1969-06-09

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