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GB2164556B - Sustained release pharmaceutical tablet of theophylline and production process therefor - Google Patents

Sustained release pharmaceutical tablet of theophylline and production process therefor

Info

Publication number
GB2164556B
GB2164556B GB08423572A GB8423572A GB2164556B GB 2164556 B GB2164556 B GB 2164556B GB 08423572 A GB08423572 A GB 08423572A GB 8423572 A GB8423572 A GB 8423572A GB 2164556 B GB2164556 B GB 2164556B
Authority
GB
United Kingdom
Prior art keywords
theophylline
production process
sustained release
release pharmaceutical
pharmaceutical tablet
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
Application number
GB08423572A
Other versions
GB8423572D0 (en
GB2164556A (en
Inventor
Tadashi Ukigaya
Keizaburo Ogawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikken Chemicals Co Ltd
Original Assignee
Nikken Chemicals Co Ltd
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 to JP58061524A priority Critical patent/JPH0729927B2/en
Application filed by Nikken Chemicals Co Ltd filed Critical Nikken Chemicals Co Ltd
Priority to GB08423572A priority patent/GB2164556B/en
Publication of GB8423572D0 publication Critical patent/GB8423572D0/en
Publication of GB2164556A publication Critical patent/GB2164556A/en
Application granted granted Critical
Publication of GB2164556B publication Critical patent/GB2164556B/en
Expired legal-status Critical Current

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
    • A61K31/52—Purines, e.g. adenine
    • 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
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
    • A61K9/2054—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
GB08423572A 1983-04-09 1984-09-18 Sustained release pharmaceutical tablet of theophylline and production process therefor Expired GB2164556B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58061524A JPH0729927B2 (en) 1983-04-09 1983-04-09 Theophylline sustained release formulation
GB08423572A GB2164556B (en) 1983-04-09 1984-09-18 Sustained release pharmaceutical tablet of theophylline and production process therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58061524A JPH0729927B2 (en) 1983-04-09 1983-04-09 Theophylline sustained release formulation
GB08423572A GB2164556B (en) 1983-04-09 1984-09-18 Sustained release pharmaceutical tablet of theophylline and production process therefor

Publications (3)

Publication Number Publication Date
GB8423572D0 GB8423572D0 (en) 1984-10-24
GB2164556A GB2164556A (en) 1986-03-26
GB2164556B true GB2164556B (en) 1988-07-06

Family

ID=26288237

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08423572A Expired GB2164556B (en) 1983-04-09 1984-09-18 Sustained release pharmaceutical tablet of theophylline and production process therefor

Country Status (2)

Country Link
JP (1) JPH0729927B2 (en)
GB (1) GB2164556B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4753945A (en) * 1986-02-19 1988-06-28 Eye Research Institute Of Retina Foundation Stimulation of tear secretion with phosphodiesterase inhibitors
JPH01502666A (en) * 1987-02-16 1989-09-14 ベスタ・メディスンズ・（プロプライアテリー）・リミテッド Preparations for the treatment of obstructive airway diseases
FR2642420B1 (en) * 1989-01-27 1991-09-06 Valpan Sa Labo Pharma NEW FORMAL RELEASE GALENIC FORM CONTAINING A COMBINATION OF FERROUS SALTS, SUCCINIC ACID AND ASCORBIC ACID
JPH03193733A (en) * 1989-12-25 1991-08-23 Nikken Chem Co Ltd Sustained release preparation of theopylline
GB2284761A (en) * 1993-12-03 1995-06-21 Euro Celtique Sa Prophylactic treatment of asthma
JP4221068B2 (en) * 1997-12-17 2009-02-12 興和創薬株式会社 Theophylline sustained release tablet and method for producing the same
CN109260167A (en) * 2017-07-18 2019-01-25 湖南湘易康制药有限公司 A kind of aminophylline sustained release tablets and preparation method thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039933A (en) * 1957-10-07 1962-06-19 Premo Pharmaceutical Lab Inc Ethyl cellulose-polyethylene glycol tablet matrix
NL113366C (en) * 1961-02-24
US3632739A (en) * 1969-12-29 1972-01-04 Sandoz Ag Solid sustained release pharmaceutical preparation
CA1018456A (en) * 1972-06-26 1977-10-04 Hans Lowey Prolonged release lozenges
JPS5526124A (en) * 1978-08-09 1980-02-25 Iseki & Co Ltd Apparatus for conveying vegetables and fruits or the like
JPS5619323A (en) * 1979-07-24 1981-02-24 Hitachi Cable Method of sealing through cable for fireeproof
JPS56122311A (en) * 1980-02-29 1981-09-25 Eisai Co Ltd Lasting theophylline pharmaceutical composition
DE3278491D1 (en) * 1981-07-15 1988-06-23 Key Pharma Sustained release theophyline
SE8203953D0 (en) * 1982-06-24 1982-06-24 Astra Laekemedel Ab PHARMACEUTICAL MIXTURE
US4443428A (en) * 1982-06-21 1984-04-17 Euroceltique, S.A. Extended action controlled release compositions
US4704284A (en) * 1982-08-12 1987-11-03 Pfizer Inc. Long-acting matrix tablet formulations

Also Published As

Publication number Publication date
JPH0729927B2 (en) 1995-04-05
GB8423572D0 (en) 1984-10-24
GB2164556A (en) 1986-03-26
JPS59210022A (en) 1984-11-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010918