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Heweten

National Institutes of Health

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2 relations

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CelluloseSulfite Cellulose

Papers overview

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1989
1989
[Preparation of preoral sustained-release preparations with a base of biodegradable polymers. 3. Preparation of matrix tablets with a base of poly-3-hydroxybutyric acid].
Poly-3-hydroxybutyric acid belongs to the biological polymers, which are produced by bacterials. The determination of the grain… 
1989
1989
[Preparation of oral sustained-action preparations with a base of biologically degradable polymers. 2. Preparation of matrix tablets with a base of polylactic acid].
It is reported on the preparation and investigation of matrix tablets on the basis of the polylactic acid. Caffeine and phenazone… 
1987
1987
[The polymorphism of drugs in powders and tablets. 4. The effect of the polymorphism of drugs on the physical properties and drug release of phenobarbital tablets].
Four products of phenobarbital (I, II1, II2, III) are manufactured into tablets with the dry binders Avicel PH 101 or Heweten 40… 
1985
1985
[The use of dry binding materials for the direct compression of phenylbutazone].
Direct compression of phenylbutazone is possible only with addition of excipients of several kinds, because its material… 
1985
1985
[The increase in the liberation rate of propyphenazone from preoral solid dosage forms].
The authors report on the influence of the granulation and tabletting applying macromolecular agents (polyvinylpolypyrrolidone… 
1984
1984
[The effect of dehydration loss of tablet excipients on the energy- distance diagram and on tablet characteristics].
Four tabletting agents of the micro-crystalline cellulose type (Heweten 10, Heweten 12, Heweten 40 and Avicel PH 101) as well as… 
1982
1982
[On the compressibility of micronized celluloses of the Avicel and the Heweten type (author's transl)].
Experimental studies on the effect of various micronized celluloses (Avicel PH 101 and Heweten 40) on the compressibility and the… 
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