Processing

Please wait...

Settings

Settings

1. WO2000040223 - HYDROXYPROPYLCELLULOSE AND ANIONIC POLYMER COMPOSITIONS AND THEIR USE AS PHARMACEUTICAL FILM COATINGS

Publication Number WO/2000/040223
Publication Date 13.07.2000
International Application No. PCT/US1999/028559
International Filing Date 02.12.1999
IPC
A61K 9/24 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
20Pills, lozenges or tablets
22Sustained or differential release type
24Layered or laminated unitary dosage forms
A61K 9/28 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
20Pills, lozenges or tablets
28Dragees; Coated pills or tablets
A61K 9/50 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
48Preparations in capsules, e.g. of gelatin, of chocolate
50Microcapsules
CPC
A61K 9/209
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
20Pills, tablets, ; discs, rods
2072characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
2086Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat
209containing drug in at least two layers or in the core and in at least one outer layer
A61K 9/2866
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
20Pills, tablets, ; discs, rods
28Dragees; Coated pills or tablets ; , e.g. with film or compression coating
2806Coating materials
2833Organic macromolecular compounds
286Polysaccharides, e.g. gums; Cyclodextrin
2866Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
A61K 9/2886
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
20Pills, tablets, ; discs, rods
28Dragees; Coated pills or tablets ; , e.g. with film or compression coating
2886having two or more different drug-free coatings; Tablets of the type inert core-drug layer-inactive layer
A61K 9/5073
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
48Preparations in capsules, e.g. of gelatin, of chocolate
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
5073having two or more different coatings optionally including drug-containing subcoatings
Applicants
  • HERCULES INCORPORATED [US/US]; 1313 North Market Street Wilmington, DE 19894-0001, US
Inventors
  • GUO, Jian, Hwa; US
  • HARCUM, Weldin, W.; US
  • SKINNER, George, W.; US
Agents
  • EDWARDS, David; Hercules Incorporated 1313 North Market Street Wilmington, DE 19894-0001, US
Priority Data
09/228,07531.12.1998US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HYDROXYPROPYLCELLULOSE AND ANIONIC POLYMER COMPOSITIONS AND THEIR USE AS PHARMACEUTICAL FILM COATINGS
(FR) COMPOSITIONS D'HYDROXYPROPYLCELLULOSE ET DE POLYMERE ANIONIQUE ET LEUR EMPLOI COMME ENROBAGE PAR FILM POUR PRODUITS PHARMACEUTIQUES
Abstract
(EN)
A composition comprising hydroxypropylcellulose and at least one anionic polymer, such as sodium carboxymethylcellulose and the use of aqueous solutions thereof for coating substrates such as tablets, granules, beads, etc.
(FR)
Cette invention concerne une composition comprenant de l'hydroxypropylcellulose et au moins un polymère anionique tel que du carboxyméthylcellulose de sodium, ainsi que des solutions aqueuses de cette composition pour l'enrobage par film de substrats tels que cachets, granules, microcapsules, etc.
Other related publications
Latest bibliographic data on file with the International Bureau