GR3005944T3 - - Google Patents

Info

Publication number
GR3005944T3
GR3005944T3 GR920402267T GR920402267T GR3005944T3 GR 3005944 T3 GR3005944 T3 GR 3005944T3 GR 920402267 T GR920402267 T GR 920402267T GR 920402267 T GR920402267 T GR 920402267T GR 3005944 T3 GR3005944 T3 GR 3005944T3
Authority
GR
Greece
Prior art keywords
water
pellets
xanthine derivative
anhydrous
particle size
Prior art date
Application number
GR920402267T
Other languages
English (en)
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
Application filed filed Critical
Publication of GR3005944T3 publication Critical patent/GR3005944T3/el

Links

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
    • A61K9/14—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
    • A61K9/1682—Processes
    • A61K9/1688—Processes resulting in pure drug agglomerate optionally containing up to 5% of excipient
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
GR920402267T 1989-09-08 1992-10-12 GR3005944T3 (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3929864A DE3929864A1 (de) 1989-09-08 1989-09-08 Verfahren zur herstellung von theophyllin-pellets

Publications (1)

Publication Number Publication Date
GR3005944T3 true GR3005944T3 (el) 1993-06-07

Family

ID=6388901

Family Applications (1)

Application Number Title Priority Date Filing Date
GR920402267T GR3005944T3 (el) 1989-09-08 1992-10-12

Country Status (11)

Country Link
US (1) US5160469A (el)
EP (1) EP0418600B1 (el)
JP (1) JP2996702B2 (el)
AT (1) ATE78400T1 (el)
BR (1) BR1100487A (el)
CA (1) CA2024863C (el)
DE (2) DE3929864A1 (el)
DK (1) DK0418600T3 (el)
ES (1) ES2034805T3 (el)
GR (1) GR3005944T3 (el)
HU (1) HU211657A9 (el)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0557064B1 (en) * 1992-02-20 1997-06-11 Euroceltique S.A. Modified release formulation
DE4231493A1 (de) * 1992-09-21 1994-03-24 Nordmark Arzneimittel Gmbh Verfahren zur Herstellung von Pellets aus einem Ephedrinderivat
TWI225402B (en) 1996-03-13 2004-12-21 Biochemie Gmbh Auxiliary-free agglomerates
CN106748584B (zh) * 2016-11-29 2019-03-19 西南科技大学 乳液法制备球形化有机小分子复合物的方法
WO2023280649A1 (en) * 2021-07-09 2023-01-12 Evonik Operations Gmbh Hard shell capsules having improved colon release

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864469A (en) * 1967-12-16 1975-02-04 Hoechst Ag Xanthines in pharmaceutical preparations and for stabilization of vitamins
CA1066029A (en) * 1973-03-16 1979-11-13 Alberto Rabassa Process for the preparation of non-dusty, easily wetted and readily soluble granulates
JPS55153715A (en) * 1979-05-18 1980-11-29 Nikken Kagaku Kk Prolonged granule of theophylline
US4547358A (en) * 1980-05-06 1985-10-15 Mead Johnson & Company Sustained release tablet containing at least 95 percent theophylline
DE3127237A1 (de) * 1981-07-10 1983-01-20 Hoechst Ag, 6000 Frankfurt Magenvertraegliche arzneiformen von xanthinderivaten und verfahren zu ihrer herstellung
IE55745B1 (en) * 1983-04-06 1991-01-02 Elan Corp Plc Sustained absorption pharmaceutical composition
DE3435325A1 (de) * 1983-04-09 1986-04-17 Nikken Chemicals Co., Ltd., Tokio/Tokyo Langzeitwirkende theophyllin-tablette und verfahren zu deren herstellung
DE3324115A1 (de) * 1983-07-05 1985-01-17 Dr. Karl Thomae Gmbh, 7950 Biberach Neue imidazole, ihre herstellung und diese verbindungen enthaltende arzneimittel
US4826689A (en) * 1984-05-21 1989-05-02 University Of Rochester Method for making uniformly sized particles from water-insoluble organic compounds
IE58246B1 (en) * 1984-12-21 1993-08-11 Byk Gulden Lomberg Chem Fab Theophylline sustained release formulation
US4755517A (en) * 1986-07-31 1988-07-05 Warner-Lambert Company Derivatives of xanthine, pharmaceutical compositions and methods of use therefor
GB8628728D0 (en) * 1986-12-02 1987-01-07 Euro Celtique Sa Spheroids
DE3712058A1 (de) * 1987-04-09 1988-10-20 Boehringer Ingelheim Kg Theophyllinhaltige pharmazeutische formen
US4786509A (en) * 1987-05-18 1988-11-22 Schering Corporation Dry sustained release theophylline oral formulation
HU198933B (en) * 1987-11-02 1989-12-28 Chinoin Gyogyszer Es Vegyeszet Process for producing new xanthine derivatives and pharmaceutical compositions comprising same as active ingredient

Also Published As

Publication number Publication date
EP0418600B1 (de) 1992-07-22
JP2996702B2 (ja) 2000-01-11
ES2034805T3 (es) 1993-04-01
JPH03167124A (ja) 1991-07-19
EP0418600A1 (de) 1991-03-27
DK0418600T3 (da) 1992-08-31
DE3929864A1 (de) 1991-03-14
CA2024863C (en) 2001-11-27
BR1100487A (pt) 1999-12-07
US5160469A (en) 1992-11-03
HU211657A9 (en) 1995-12-28
DE59000215D1 (de) 1992-08-27
CA2024863A1 (en) 1991-03-09
ATE78400T1 (de) 1992-08-15

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