DE2140996C3 - Verwendung eines Celluloseether esters in Überzugsmitteln fur darmwirksame pharmazeutische Produkte - Google Patents

Verwendung eines Celluloseether esters in Überzugsmitteln fur darmwirksame pharmazeutische Produkte

Info

Publication number
DE2140996C3
DE2140996C3 DE19712140996 DE2140996A DE2140996C3 DE 2140996 C3 DE2140996 C3 DE 2140996C3 DE 19712140996 DE19712140996 DE 19712140996 DE 2140996 A DE2140996 A DE 2140996A DE 2140996 C3 DE2140996 C3 DE 2140996C3
Authority
DE
Germany
Prior art keywords
cellulose
acid
coating
intestine
cellulose ether
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
DE19712140996
Other languages
German (de)
English (en)
Other versions
DE2140996B2 (de
DE2140996A1 (de
Inventor
Shunichi Koyanagi
Kinya Ogawa
Yoshiro Onda
Akira Yamamoto
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.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical 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
Application filed by Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Publication of DE2140996A1 publication Critical patent/DE2140996A1/de
Publication of DE2140996B2 publication Critical patent/DE2140996B2/de
Application granted granted Critical
Publication of DE2140996C3 publication Critical patent/DE2140996C3/de
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5036Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • A61K9/5042Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/28Dragees; Coated pills or tablets, e.g. with film or compression coating
    • A61K9/2806Coating materials
    • A61K9/2833Organic macromolecular compounds
    • A61K9/286Polysaccharides, e.g. gums; Cyclodextrin
    • A61K9/2866Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Preparation (AREA)
DE19712140996 1971-03-19 1971-08-16 Verwendung eines Celluloseether esters in Überzugsmitteln fur darmwirksame pharmazeutische Produkte Expired DE2140996C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1595371 1971-03-19

Publications (3)

Publication Number Publication Date
DE2140996A1 DE2140996A1 (de) 1972-09-21
DE2140996B2 DE2140996B2 (de) 1979-10-04
DE2140996C3 true DE2140996C3 (de) 1980-06-19

Family

ID=11903100

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712140996 Expired DE2140996C3 (de) 1971-03-19 1971-08-16 Verwendung eines Celluloseether esters in Überzugsmitteln fur darmwirksame pharmazeutische Produkte

Country Status (5)

Country Link
CH (1) CH550207A (enrdf_load_stackoverflow)
DE (1) DE2140996C3 (enrdf_load_stackoverflow)
FR (1) FR2130052B1 (enrdf_load_stackoverflow)
GB (1) GB1355323A (enrdf_load_stackoverflow)
IT (1) IT1037035B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820981C2 (de) * 1977-09-27 1995-07-06 Colorcon Pharmazeutische Tablette und Verfahren zum Färben einer pharmazeutischen Tablette
JPS5535031A (en) * 1978-09-04 1980-03-11 Shin Etsu Chem Co Ltd Enteric coating composition
JPS5598120A (en) * 1979-01-16 1980-07-25 Shin Etsu Chem Co Ltd Preparation of drug having enteric coating
DK153363C (da) * 1979-09-03 1988-12-05 Shinetsu Chemical Co Vandigt overtraeksprodukt til frembringelse af et i tarmen oploeseligt overtraek paa en tablet og fremgangsmaade til anvendelsen af produktet
US4518433A (en) * 1982-11-08 1985-05-21 Fmc Corporation Enteric coating for pharmaceutical dosage forms

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629237A (en) * 1968-09-12 1971-12-21 Shinetsu Chemical Co Compositions useful as enteric coatings and method for preparing acid phthalates of cellulose ethers for them
US3489743A (en) * 1969-01-02 1970-01-13 Eastman Kodak Co Process for the manufacture of cellulose esters and ethers of polycarboxylic acid

Also Published As

Publication number Publication date
DE2140996B2 (de) 1979-10-04
FR2130052B1 (enrdf_load_stackoverflow) 1975-06-06
FR2130052A1 (enrdf_load_stackoverflow) 1972-11-03
DE2140996A1 (de) 1972-09-21
IT1037035B (it) 1979-11-10
GB1355323A (en) 1974-06-05
CH550207A (de) 1974-06-14

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee